AutoSleep: Watch Sleep Tracker icon
AutoSnore: Snoring Recorder icon
Eclipse Yourself: Health Watch icon
+2

Tantsissa

For privacy-conscious Apple Watch owners and health enthusiasts who prefer data ownership and automated tracking over subscription-based services.

5apps4.3(94.5K) Multi-theme

Snapshot

Who is Tantsissa?

Providing Apple Watch users with automated, privacy-centric health and sleep tracking tools through a transparent one-time purchase model.

Target audience

Privacy-conscious Apple Watch ownersHealth enthusiasts who prefer data ownershipAutomated tracking over subscription-based services

Active nemesis

Bodymatter

Other rivals

Portfolio

Free 3
5
apps
Health & Fitness3
Food & Drink1
Medical1

Last updated

AutoSleep: Watch Sleep Tracker

v6.16

12mo ago

Steady

Publisher DNA

What defines Tantsissa?

Publisher DNA

Primary focus

Health & Fitness analytics for Apple Watch

Scale

indie

Target audience

Privacy-conscious Apple Watch owners and health enthusiasts who prefer data ownership and automated tracking over subscription-based services.

Signature Patterns

  • •Strict one-time purchase monetization model across premium titles.
  • •Privacy-first architecture emphasizing local data storage and no user tracking.
  • •Heavy reliance on automated, 'set-and-forget' Apple Watch sensor integration.
  • •Interconnected ecosystem where apps like AutoSnore and HeartWatch complement the flagship sleep tracker.
Steady

Portfolio momentum

Maintained a consistent update cadence with 3 releases across the portfolio in the last 6 months, keeping 80% of the catalog active.

Last release 65d agoActive apps 4Abandoned 1

Portfolio

What does Tantsissa ship?

Apps

5 apps analysed

One-time purchase model

  • Detailed sleep cycle analysis provides users with actionable insights into their nightly rest quality
  • Frequent synchronization errors and data loss post-waking force users to manually re-enter sleep sessions

On-device processing ensures data privacy

  • The one-time purchase model provides a welcome alternative to the subscription-heavy landscape of sleep tracking apps
  • Manual start and stop requirements create significant friction and lead to missed recording sessions for users

iCloud-based sharing ensures user data privacy

  • Integration with specialized health tracking apps provides a comprehensive view of daily recovery and readiness
  • Subscription-based monetization model frustrates users who prefer one-time purchase options for health tracking tools
HeartWatch: Heart Rate Monitor icon
HeartWatch: Heart Rate Monitor

Easy-to-use Accurate Heart Rate Monitor

4.5(31.8K)

Deep Apple Health integration creates switching costs

  • The absence of intrusive advertisements allows users to monitor heart rate metrics without constant interruptions
  • Inconsistent heart rate readings and failure to detect pulses frustrate users during measurement attempts

Distributed across 12 markets, strongest in Europe.

Based on 2 of 5 apps with localized market data, more coverage rolling in as scans complete · last scanned .

Americas (3)

  • Brazil2 / 2
  • Mexico2 / 2
  • United States2 / 2

Europe (7)

  • France2 / 2
  • Germany2 / 2
  • Italy2 / 2
  • Netherlands2 / 2
  • Portugal2 / 2
›+2 more europe markets
  • Spain2 / 2
  • Sweden1 / 2

Asia-Pacific (2)

  • Japan2 / 2
  • South Korea2 / 2

Core markets (2/2 apps)

BrazilFranceGermanyItalyJapanMexicoNetherlandsPortugalSouth KoreaSpainUnited States

User Sentiment

How do users feel about their apps?

Unlock the app dragging this portfolio down.

Access the full report for free

Rivals

Who does Tantsissa compete with?

The rivals identified

Nemeses(3)

Bodymatter

known forSleepWatch - Top Sleep Tracker

2 apps4.7Health & FitnessMedical

Both apps target Apple Watch users for automated sleep tracking, creating direct competition for the same user base despite divergent monetization models.

Anish Modan

known forSnoreIQ - Snoring Tracker

1 app4.5Medical

SnoreIQ competes directly by offering automated snoring detection and long-term trend analysis, features that address the primary friction points and feature gaps identified in AutoSnore.

Oura Health Oy

known forOura

1 app4.9Health & Fitness

Oura dominates the recovery and readiness niche with a massive, hardware-integrated ecosystem that directly mirrors Eclipse's core value proposition.

Contenders(28)

Deep Flow Apps

known forSleep Tracker & Sound by Remly

1 app4.6Health & FitnessMedical

Both apps compete for the same sleep-tracking audience, with Remly offering sound therapy and audio recording while AutoSleep focuses on automated, privacy-first Apple Watch integration.

Enerjoy Pte

known forShutEye®: Sleep Tracker, Sound

1 app4.8Health & FitnessMedical

Both apps compete for Apple Watch users seeking automated sleep insights and health data integration, directly overlapping in the sleep tracking utility space.

Fasting APP

known forSleep Monitor: Sleep Tracker

1 app4.6Health & FitnessMedical

Both apps compete for the same sleep-tracking audience, but they diverge on hardware requirements: Sleep Monitor functions via phone sensors, while AutoSleep requires an Apple Watch.

Helix Apps

known forHealth Hive: Compare Metrics

2 apps4.7Health & Fitness

Health Hive provides the demographic context that HeartWatch users often seek to understand their personal cardiovascular trends.

Leap Health

known forSleep Tracker: Recorder, Sound

1 app4.8Health & FitnessMedical

Both apps target Apple Watch users seeking sleep insights, but they diverge on monetization and feature focus: AutoSleep emphasizes automated tracking, while Sleep Tracker bundles audio relaxation content.

Neybox Digital

known forPillow: Sleep Tracker

1 app4.4Health & FitnessMedical

Both apps target Apple Watch users with automated sleep tracking, but they diverge on monetization: AutoSleep uses a one-time purchase model while Pillow relies on a subscription-based paywall.

One Hundred Bad Ideas

known forStressWatch: AI Stress Monitor

1 app4.7Health & Fitness

Both apps target the same Apple Watch user base by utilizing biometric data to provide health insights, competing for the same limited screen time and health-tracking attention.

Sleep Cycle AB

known forSleep Cycle - Tracker & Sounds

1 app4.7Health & FitnessMedical

Both apps compete for the same sleep-tracking user base, but Sleep Cycle targets non-wearable users via sound-based tracking while AutoSleep requires Apple Watch hardware.

ActiveAce

known forStress Monitor for Watch

1 app4.5Health & Fitness

Both apps target Apple Watch users seeking health insights, with Stress Monitor for Watch: HRV overlapping in sleep tracking and health data analysis.

AIBY

known forInPulse - Heart Rate Monitor

1 app4.6Health & Fitness

Both apps target the vital signs tracking market, with InPulse capturing casual users via hardware-free camera measurement while HeartWatch targets Apple Watch users needing deep cardiovascular analysis.

AKRURA PTE

known forHeart Rate Monitor · Pulse App

1 app4.9Health & Fitness

Both apps compete for cardiovascular health tracking users, but the rival captures the top of the funnel by offering camera-based measurement that removes the requirement for an Apple Watch.

Apirox, s.r.o.

known forSleep Tracker & Sleep Recorder

2 apps4.5Medical

Noxogy operates in the same sleep-tracking space but relies on a freemium model that creates different user expectations regarding feature access.

Atlantic Blue

known forHush Log: Snoring Recorder

1 app0.0Medical

Both apps target users seeking privacy-focused snoring tracking through a one-time purchase model rather than recurring subscriptions. They compete directly for the same audience by emphasizing on-device data processing and no-account requirements.

Cardiio

known forCardiio: Heart Rate Monitor

1 app4.7Health & Fitness

Both apps compete for the same heart rate monitoring audience, but Cardiio captures the top of the funnel by offering free, camera-based measurement that removes the need for external wearable hardware.

CODEPILOT YAZILIM TICARET LIMITED SIRKETI

known forSnoring Recorder & Detection

1 app4.8Medical

Both apps target privacy-conscious users monitoring snoring patterns via local, on-device processing, creating a direct overlap in the sleep-tracking utility market.

Dodo Media LLC (Apps)

known forSnore Sense - Snore Recorder

1 app1.0Medical

Both apps target users seeking to monitor snoring patterns and quantify sleep quality through audio analysis. They compete directly for the same user base by offering tools to record and measure nocturnal breathing sounds.

Faliane

known forHeartica: Heart Rate Monitor

1 app4.4Health & Fitness

Heartica competes by offering free, camera-based vital sign tracking, capturing users who prefer accessible smartphone-only monitoring over the paid, Apple Watch-dependent model of HeartWatch.

Google

known forFitbit: Health & Fitness

2 apps4.1Health & Fitness

A massive, multi-platform competitor that covers the entire health spectrum including activity, sleep, and readiness.

HEARTIFY HEALTH

known forHeartify: Heart Health Monitor

1 app4.7Health & Fitness

Both apps target cardiovascular health monitoring, but Heartify captures the top of the funnel by offering free camera-based heart rate measurement, whereas HeartWatch requires an Apple Watch and an upfront payment.

Openbeta

known forSnore Tracker - Sleep Recorder

1 app5.0Medical

Both apps target users monitoring snoring patterns through a privacy-first, local-storage architecture. They compete directly for the same audience seeking data-driven sleep insights without cloud-dependent data practices.

Rise Science

known forRISE: Sleep Tracker

1 app4.7Health & Fitness

Both apps target Apple Watch users seeking automated sleep analytics, but they diverge on monetization and core methodology: nocturnal recording versus circadian rhythm mapping.

Shenzhen Plus1Health Technology Co.

known forSnore Tracker - Plus1Health

1 app4.3Medical

Both apps target users monitoring snoring patterns, with Snore Tracker offering a free, automated alternative to the paid, manual-start model of AutoSnore.

TAPSUITE YAZILIM HIZMETLERI ANONIM SIRKETI

known forHeart Beat: Heart Rate Monitor

1 app4.5Health & Fitness

Both apps target health-conscious users seeking heart rate monitoring, but they diverge on hardware dependency: HeartWatch requires Apple Watch integration, while Heart Beat uses smartphone camera sensors for accessibility.

Vukasin Zurzevic

known forSnore recorder app - Snorely

1 app5.0Medical

Both apps target the snoring monitoring market, with Snorely providing a free alternative to the one-time purchase model of AutoSnore.

Welltory

known forWelltory: Health, Heart Rate

1 app4.7Health & Fitness

Both apps target health-conscious users seeking cardiovascular insights, but they diverge on monetization models and hardware requirements. Welltory competes by offering hardware-agnostic data aggregation, while HeartWatch focuses on privacy-first Apple Watch integration.

Zane

known forHeart Rate Monitor - Pulse BPM

1 app4.6Health & Fitness

Both apps target the heart rate monitoring segment, but the rival captures the free-tier, camera-based measurement market that HeartWatch ignores.

深圳市芙扬仔羽咨询有限公司

known forSnore Recorder & Sleep Tracker

1 app5.0Medical

Both apps target users monitoring snoring patterns and sleep quality, competing for the same audience seeking data-driven insights into their nightly habits.

茂哲 王

known forSnoring Analyzer: Snore record

1 app1.0Medical

Both apps target users monitoring sleep quality and snoring, competing for the same health-conscious audience through audio-based detection mechanisms.

Same space(37)

Flask LLP

known forZones for Training

1 app4.8Health & Fitness

It targets the same Apple Watch user base by offering heart rate-based performance metrics without recurring subscription fees.

Jatisari Inovasi Studio

known forApple Health

1 app3.0Health & Fitness

As the primary system-level repository, it competes for the same passive data collection role that AutoSleep occupies.

Menelik Tucker

known forSnore Timeline: Sleep Tracker

1 app4.9Health & FitnessMedical

It provides a similar sleep-tracking function by combining Apple Watch biometric data with iPhone-based audio analysis.

Mosaic S.r.l.

known forSleepzy - Sleep Cycle Tracker

1 app4.3Health & FitnessMedical

This app competes for the same sleep-tracking user segment by providing smart alarm functionality and sleep cycle analysis.

Stephane Lizeray

known forHealthFit

1 app4.6Health & Fitness

It targets the same power-user segment by offering advanced performance analytics and automated data syncing for Apple Watch.

199 Developments Private

known forECG heart analyze - watch

1 app4.7Health & Fitness

ECG heart analyze provides similar heart rhythm interpretation for Apple Watch users, overlapping with HeartWatch's core monitoring features.

AirShape

known forSleep Tracker & Snore Monitor

1 app4.6Medical

Sleep Tracker & Snore Monitor competes for the same sleep-tracking audience by using microphone-based algorithms to analyze environmental noise.

ANNA KOSHEL

known forSnore Tracker — My Sleep Lab

1 app4.6Medical

Snore Tracker — My Sleep Lab offers similar snoring and sleep-talking analysis to help users identify potential health indicators like apnea.

ArnoHealth SL

known forSleep Analytics: Sleep Tracker

1 app0.0Health & Fitness

This app shares the same privacy-first, local-processing model for analyzing sleep and recovery data from Apple Health.

Betoli

known forTraining Today

1 app4.6Health & Fitness

Training Today focuses on the same readiness-to-train metrics as HeartWatch but targets a more athletic, performance-coached user base.

Bickster

known forFitbit to Apple Health Sync

1 app4.3Health & Fitness

This utility serves the same health-conscious audience by managing data portability between Fitbit hardware and the Apple Health ecosystem.

Cross Forward Consulting

known forPedometer++

1 app4.8Health & Fitness

Pedometer++ offers a similar ad-free, privacy-focused experience for Apple Watch users but shifts focus toward outdoor navigation.

Elevated Systems

known forCortisol+ Stress & HRV Monitor

1 app4.7Health & Fitness

It utilizes the same Apple Watch biometric data to provide stress and recovery insights relevant to sleep quality.

Fitbod

known forFitbod: Gym & Fitness Planner

1 app4.8Health & Fitness

Adjacent sub-genre competitor focusing on the 'activity' pillar of health with high-intensity workout planning.

Fitness & Sports apps SRL

known forBodyState: Vitals Tracker

1 app4.7Health & Fitness

This app targets the same performance-tracking audience by aggregating biometric data to calculate daily energy and recovery scores.

Future Artifact Labs

known forPeakWatch: AI Health Coach

1 app4.7Health & Fitness

This app provides similar health context by aggregating Apple Watch data to offer personalized recovery and sleep insights.

Gentler Stories

known forGentler Streak Workout Tracker

1 app4.7Health & Fitness

It shares the same Apple Health-integrated architecture to provide personalized activity and recovery guidance to fitness users.

Heartworks Pty

known forECG+ | Your Watch ECG Reader

1 app4.4Health & Fitness

ECG+ serves as a specialized utility for the same cardiovascular data that HeartWatch users monitor via Apple Watch.

Hong Kong Zhufeng Technology Co.

known forSleep Cycle Tracker WellSleep

1 app0.0Health & Fitness

It competes for the same sleep-tracking audience by offering pattern visualization and habit-building tools without requiring wearables.

Irakli Chikvaidze

known forSnore Recorder - Sleep Monitor

1 app4.5Medical

This app targets the same snoring-monitoring audience by offering AI-driven detection and sleep apnea tracking features.

Kai Oelfke

known forSleep Cycle Bedtime Calculator

1 app4.0Health & Fitness

This app serves the same sleep-scheduling audience by offering cycle-based calculation tools for Apple Watch users.

Kerim Sener

known forSleep Recorder - Snore Tracker

1 app4.9Medical

Sleep Recorder: Snore & Talk provides a similar on-device, privacy-first approach to audio monitoring and sleep scoring.

Kodeon

known forHealthView

1 app4.5Health & Fitness

HealthView targets the same power-user segment by offering deeper drill-down capabilities for Apple HealthKit data.

Lybron Sobers

known forHealth Auto Export - JSON+CSV

1 app4.3Health & Fitness

Health Auto Export provides the data portability that power users require to move their HeartWatch data into external analysis tools.

MotiFIT Fitness

known forFITIV Pulse - Workout Tracker

1 app4.6Health & Fitness

FITIV Pulse provides a multi-device integration layer that connects various hardware platforms to a unified heart rate and recovery dashboard.

NutraTech

known forCalorie Counter +

1 app4.4Health & Fitness

Calorie Counter + addresses the nutritional component of the health-tracking journey that HeartWatch users often manage alongside cardiovascular data.

Omron Healthcare

known forOMRON connect US/CAN/EMEA

2 apps4.4Health & Fitness

OMRON connect acts as a hardware-linked repository for chronic condition management, overlapping with users who monitor heart health.

Outside Television

known forMap My Fitness Workout Tracker

1 app4.8Health & Fitness

Map My Fitness provides a broader, activity-based workout tracking layer that complements the specific heart rate focus of HeartWatch.

Personify Health

known forPersonify Health

1 app4.8Health & Fitness

Operates in the broader health monitoring space with a focus on holistic wellness and enterprise-grade tracking.

Reviva Softworks

known forSnoreLab : Record Your Snoring

2 apps4.8Medical

SnoreLab serves the same medical-adjacent snoring tracking market but utilizes a science-backed, subscription-based model to maintain its category position.

SleepHQ Pty

known forSleepHQ

1 app4.7Medical

SleepHQ serves the same sleep-health market but focuses on the professional-grade analysis of CPAP therapy data for apnea patients.

StepsApp

known forStepsApp Pedometer

1 app4.8Health & Fitness

StepsApp serves the same health-conscious audience but focuses on passive habit-forming step tracking rather than active cardiovascular monitoring.

Strava

known forStrava: Run, Bike, Walk

1 app4.6Health & Fitness

Strava provides the social-first activity log that many HeartWatch users employ to share the cardiovascular data they track.

Tanya Harati

known forKoala Nap: Snore Less Tonight

1 app4.3Medical

Koala Nap offers a similar snore-detection and recording utility but adds an active alert mechanism to help users manage snoring in real-time.

THESTR AB

known forSleep Talk Recorder

1 app2.6Medical

Sleep Talk Recorder focuses on the audio-capture aspect of sleep monitoring, sharing the same niche interest in nocturnal sounds as AutoSnore.

Tran Vu Nguyen

known forSleep Cycle: Sleep Tracker

1 app5.0Medical

Sleep Cycle: Sleep Tracker provides a similar privacy-focused, offline-only recording experience for users monitoring their sleep sounds.

WHOOP

known forWHOOP

1 app4.7Health & Fitness

WHOOP targets the same performance-oriented demographic but utilizes proprietary hardware to provide continuous physiological monitoring.

New entrants(4)

ahreum we

known forSnoreBear: Snore Recorder

1 app0.0Medical

SnoreBear offers similar audio-sorting and recording features, focusing on making faint nighttime sounds audible and manageable.

Foodvisor

known forFoodvisor - AI Calorie Counter

1 app4.7Health & Fitness

High-velocity newcomer leveraging computer vision for nutrition tracking, a key missing pillar in many health apps.

Sandi Peklaric

known forSleep Apnea, Snore Detector

1 app5.0Medical

Sleep Apnea, Snore Detector targets the same audience interested in understanding nighttime breathing patterns through audio highlights.

Viral Development

known forCal AI - Calorie Tracker

1 app4.8Health & Fitness

Emerging threat utilizing AI to simplify health tracking, showing rapid adoption since its 2024 launch.

The Analyst's Read

The bottom line on Tantsissa

Bottom line

Tantsissa is a highly efficient indie studio that has successfully commoditized premium health tracking by offering a privacy-focused, non-subscription alternative to major incumbents. Their high weighted rating of 4.63 across nearly 100,000 reviews indicates exceptional product-market fit.

Frequently asked questions

How many apps does Tantsissa publish?
Tantsissa has 5 apps tracked by Marlvel, primarily in the Health & Fitness category.
What kind of apps does Tantsissa make?
Tantsissa's portfolio is concentrated in Health & Fitness and Food & Drink, with an average rating of 4.3/5 across rated apps.
What is Tantsissa's top app?
By review volume across the portfolio, AutoSleep: Watch Sleep Tracker is Tantsissa's best-known app tracked by Marlvel.
In how many countries are Tantsissa's apps available?
Marlvel has tracked Tantsissa's apps across 12 countries.

What fed this analysis

Apps analyzed:
5
With full intel:
3
With overview:
5
Website scraped:
yes
Social presence:
yes

Disclosure: Independent intel to help mobile builders succeed.

AI-powered analysis with automated quality gates, built from publicly available sources. Marlvel.ai is not affiliated with, endorsed by, or sponsored by Tantsissa, its developer, the app publisher, Apple, or Google Play. All trademarks, logos, and screenshots referenced remain the property of their respective owners.

Cite this report

Marlvel.ai. “Tantsissa intelligence.” Updated 2026-04-23. https://marlvel.ai/publishers/tantsissa

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Data licensed under CC-BY-NC 4.0