Blood Pressure Tracker • icon
Blood Pressure Tracker (Paid) icon
Employee Time & Schedule icon
+14

App Sub 1

For sMB owners, freelancers, and individuals tracking chronic health metrics who prioritize data ownership and offline access.

17apps3.9(224.6K) Multi-theme

Snapshot

Who is App Sub 1?

Providing offline-first business utilities and health tracking tools for SMBs, freelancers, and individuals managing chronic conditions.

Target audience

SMB ownersFreelancersIndividuals tracking chronic health metrics who prioritize data ownership

Active nemesis

Health & Fitness AI Lab

Other rivals

Portfolio

Free 11
17
apps
Business10
Medical3
Productivity3
Finance1

Last updated

Mileage Tracker

v5.56.0

6mo ago

Active

Publisher DNA

What defines App Sub 1?

Publisher DNA

Primary focus

Business utilities and medical tracking applications

Scale

studio

Target audience

SMB owners, freelancers, and individuals tracking chronic health metrics who prioritize data ownership and offline access.

Origin

Founded in 2010 by a team with experience in large-scale systems development.

Active

Portfolio momentum

Released 27 updates in the last 6 months, maintaining active development across 70% of the portfolio.

Last release 6d agoActive apps 14Abandoned 6

Company profile

medium confidence
Headquarters
Hong Kong
Founded
2010

Portfolio

What does App Sub 1 ship?

Apps

17 apps analysed

Blood Pressure Tracker • icon
Blood Pressure Tracker •

Easy monitor your blood pressure

4.6(26.8K)

Multi-metric logging interface centralizes health data entry to increase daily usage frequency

  • The simple and logical interface allows users to track health metrics with minimal friction
  • Application crashes or fails to open entirely following recent platform updates
Blood Pressure Tracker (Paid) icon
Blood Pressure Tracker (Paid)

Easy track your blood pressure

4.8(102)

Multi-format export utility provides direct value for physician consultations

  • Simple and intuitive interface design allows users to track medical data without unnecessary complexity
  • Aggressive review prompts interrupt the user experience and create annoyance during daily usage
Employee Time & Schedule icon
Employee Time & Schedule

Allows your mobile devices to be a time clock system at anywhere

0.0

A1C estimation provides long-term health value

  • Estimated A1C tracking provides valuable health insights for long-term diabetic management
  • Frequent application crashes during startup or data synchronization break the daily logging habit
Mileage Tracker icon
Mileage Tracker

Easy way keep track your vehicle mileage for tax/business

4.8(97.6K)
  • Accurate tracking of business trips provides a reliable alternative to legacy mileage logging tools
  • Persistent GPS latency issues after the latest update degrade the reliability of trip logging

Distributed across 19 markets, strongest in Europe.

Based on 5 of 17 apps with localized market data, more coverage rolling in as scans complete · last scanned .

Americas (4)

  • United States5 / 5
  • Canada3 / 5
  • Brazil2 / 5
  • Mexico2 / 5

Europe (8)

  • United Kingdom3 / 5
  • France2 / 5
  • Germany2 / 5
  • Italy2 / 5
  • Portugal2 / 5
›+3 more europe markets
  • Spain2 / 5
  • Turkey2 / 5
  • Netherlands1 / 5

Asia-Pacific (7)

  • Australia3 / 5
  • India2 / 5
  • Indonesia2 / 5
  • Japan2 / 5
  • Singapore2 / 5
›+2 more asia-pacific markets
  • Vietnam2 / 5
  • South Korea1 / 5

Core markets (5/5 apps)

United 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 App Sub 1 compete with?

The rivals identified

Nemeses(1)

Health & Fitness AI Lab

known forBlood Pressure Diary

1 app4.8Medical

Both apps target hypertension patients requiring manual logging for physician review, creating direct competition for users seeking reliable clinical data management.

Contenders(20)

Custom Arts

known forBlood Pressure Log Feeltracker

1 app4.8Medical

Users report: Both apps target individuals managing hypertension, but the rival captures data via camera-based scanning while the target app relies on manual entry.

Evolve Medical Systems

known forBlood Pressure Tracker SmartBP

1 app4.5Medical

Both apps target individuals managing hypertension and cardiovascular health, competing directly for the same user base through manual logging and health trend analysis.

AIBY

known forInPulse - Heart Rate Monitor

1 app4.6Medical

Both apps compete for users managing health vitals, though they diverge between clinical-grade hypertension tracking and casual, camera-based pulse monitoring.

Aktiia SA

known forHilo Blood Pressure Companion

1 app4.7Medical

Both apps target the hypertension management demographic, but Hilo competes by offering automated hardware-based data collection that directly addresses the manual-entry friction found in Blood Pressure Tracker.

Azumio

known forGlucose Buddy Diabetes Tracker

2 apps4.8Medical

Both apps target individuals managing diabetes who require centralized logging for blood glucose, medication, and health metrics.

Bahattin Duran

known forBlood Sugar Tracker: SugarLog

1 app0.0Medical

Both applications target individuals managing diabetes or prediabetes by providing a centralized log for glucose, medication, and health metrics.

BGPworks

known forInventory Management - BoxHero

1 app4.2Productivity

A modern, streamlined contender that simplifies complex warehouse tasks into a mobile-friendly interface.

Differentiators

  • Expertise in logistics software optimization
  • Rapidly growing user base due to a clean, ad-free experience
Cardiio

known forCardiio: Heart Rate Monitor

1 app4.7Medical

Both apps compete for the same daily health-tracking habit by targeting users monitoring cardiovascular metrics on their mobile devices.

evolvemedsys

known forBlood Pressure App - SmartBP

1 app4.2Medical

SmartBP competes by offering Bluetooth hardware synchronization and multi-user profiles, directly addressing the manual-entry friction and single-user limitation of Blood Pressure Tracker •.

Feizan Ulhaq

known forA1C Calculator Blood Glucose

1 app4.1Medical

Both apps target diabetic users requiring manual blood glucose logging and A1C estimation, creating direct competition for users seeking simple health tracking tools.

Gismart

known forCardi Mate: Heart Rate Monitor

1 app4.7Medical

Both apps target individuals managing chronic health conditions, competing for the same daily health-logging habit through different input mechanisms: manual entry versus camera-based pulse detection.

Helix Apps

known forHeart Analyzer: Pulse Tracker

1 app4.7Medical

Both apps target users managing chronic health conditions who require clinical-grade reporting for physician consultations, creating direct competition for the same health-conscious demographic.

Light Room Studios

known forMileage Log+ Trip Log Tracker

1 app2.8Finance

A direct functional peer that mirrors the target app's one-time purchase model and reliance on manual/GPS tracking with similar Dropbox sync capabilities.

Differentiators

  • Proven track record of building high-utility, award-winning productivity tools
  • Expertise in creating streamlined, 'system-style' apps that feel native to the OS
  • Strong reputation for data privacy and local-first storage options
Marwan Elwaraki

known forSweet Dreams – Sugar Tracker

1 app4.7Medical

Both apps target the diabetes management market, but Sweet Dreams captures the family-coordination segment through CGM hardware integration, whereas Glucose relies on manual entry.

Mustafa Tolga DALBUDAK

known forCuspart: Blood Sugar

1 app5.0Medical

Both apps target the diabetes management market with manual logging interfaces, creating direct competition for users seeking blood glucose and medication tracking tools.

MyNetDiary

known forDiabetes Tracker by MyNetDiary

1 app4.7Medical

Both apps target individuals managing diabetes or prediabetes, competing directly for users seeking centralized blood glucose and health metric logging.

SILVERWIZ

known forMileWiz 2022 - Car Mileage Log

1 app4.6Finance

A strong alternative for users seeking the same privacy and simplicity as the target app but with modern automation features.

Differentiators

  • Specialized focus on mileage tracking and productivity automation
  • Consistent update cycle ensuring compatibility with the latest iOS versions
  • Strong focus on user privacy and data security
talha rehman

known forHbA1c Calculator – Blood Sugar

1 app1.0Medical

Both applications target individuals managing diabetes by providing A1C estimation tools and blood glucose calculation features.

Zane

known forHeart Rate Monitor - Pulse BPM

1 app4.6Medical

Both apps target health-conscious users tracking cardiovascular metrics, with the rival competing for the same user base by offering broader, hardware-free measurement capabilities.

军 刘

known forFinger Blood Pressure: BP Mate

1 app3.8Medical

Both apps target individuals managing chronic hypertension, competing for the same user base through manual health logging and vital sign tracking.

Same space(36)

Andrei Nemtsou

known forGlucose Monitor - Diabetes App

1 app4.3Medical

Targets chronic condition management through manual logging, mirroring the source app's data entry workflow for diabetes instead of hypertension.

199 Developments Private

known forBlood Sugar Glucose Tracker

2 apps4.6Medical

Focuses on diabetes management through comprehensive logging, sharing the source app's goal of tracking chronic health metrics for clinical use.

Abbott Labs

known forLibre by Abbott

1 app4.6Medical

Dominates the glucose monitoring space through proprietary sensor hardware that provides real-time data streams.

AboutMe Apps

known forBlood Oxygen App

1 app4.6Medical

Targets the same health-conscious demographic by offering manual logging and Apple Health integration for cardiovascular vitals.

ADP

known forMy Work

1 app4.2Business

My Work acts as a tethered utility for ADP clients, managing time-tracking tasks that freelancers might handle independently.

Alexandr Smetannikov

known forBP diary (self-monitoring)

1 app4.9Medical

Provides a direct alternative for recording blood pressure measurements, focusing on manual logging and PDF report generation for physicians.

ATOSS Aloud

known forCrewmeister Time Tracking

1 app4.5Business

Crewmeister addresses the same time-tracking need for field-service teams but adds offline-capable logging.

ATOSS CSD Software

known forATOSS Time Control

2 apps3.3Business

ATOSS Time Control offers digital workforce management and time recording for employees, overlapping with the tracking utility.

Berry Wing LLC Android

known forScan to Spreadsheet

1 appProductivity

A pure utility peer that focuses exclusively on the workflow of scanning barcodes directly into data formats like CSV.

Differentiators

  • Specialized in barcode scanning utilities for industrial use
  • Strong reputation for reliability in 'no-frills' data collection
Dexcom

known forDexcom Clarity

3 apps3.6Medical

Users report: Acts as a reporting dashboard for Dexcom CGM users to analyze glucose patterns and share data with clinics.

E-Retarget

known forSugar Sense: CGM & A1C Tracker

1 app5.0Medical

Aggregates CGM data from multiple sources to provide a unified dashboard for real-time monitoring.

EINMOB

known forBlood Sugar Master

1 app3.4Medical

Utilizes AI to analyze manual glucose logs and provide health suggestions for users managing diabetes.

Enrique Villahermosa Juara

known forBlood Sugar Level

1 app4.1Medical

Functions as a manual recording tool for users who own external glucometers but lack a digital logbook.

Epiphany Digital

known forCheck Heart Rate Now

1 app4.3Medical

Offers cardiovascular tracking via mobile sensors, serving users interested in heart rate metrics rather than blood pressure logs.

Florin Uscatu

known forDiabetes Logs

1 app4.6Medical

Provides a simple, ad-free manual logging tool for users who prefer a straightforward interface for health records.

Glooko

known forGlooko - Track Diabetes Data

1 app4.6Medical

Aggregates data from over 200 medical devices to provide a centralized health view for patients and clinicians.

H2

known forHealth2Sync - Diabetes Tracker

1 app4.4Medical

Bridges the gap between patient logging and clinical care by offering partner-sharing features for medical data.

Hi Volt Apps

known forBlood Sugar - Diabetic Checker

1 app3.4Medical

Offers a manual logging interface for users to track glucose levels and view health trends over time.

iHealth Labs

known foriHealth Gluco-Smart

1 app4.8Medical

Automates blood glucose logging by syncing test results directly from compatible iHealth devices.

Invoice Simple

known forInvoice Simple: Invoice Maker

1 app4.8Business

Invoice Simple targets the same freelancer demographic with a focus on rapid document generation and billing.

joshone

known forCalculator: Easy Calculator

1 app4.3Business

Calculator: Easy Calculator serves as a utility tool for math and conversions that freelancers use alongside time tracking apps.

Labhouse Mobile

known forInvoice Maker - Invoice Fly

2 apps4.8Business

Invoice Fly serves the same contractor audience by digitizing the document workflow from estimate to payment.

LifeScan

known forOneTouch Reveal® app

1 app4.8Medical

Serves as a dedicated companion for OneTouch meter owners to digitize and analyze blood glucose data.

Maksim Gudzik

known forGlucose tracker++

1 app4.5Medical

Provides a manual tracking tool for glucose, A1C, and medication with automated long-term trend calculations.

MedM

known forBlood Sugar Diary for Diabetes

1 app4.5Medical

Users report: Captures data from over 50 glucose meters to provide a hardware-agnostic logging experience for diabetes management.

mySugr

known formySugr - Diabetes Tracker Log

1 app4.5Medical

Acts as a comprehensive digital logbook that competes by offering automated reporting and insulin calculation tools.

Nighp Software

known forBaby Tracker - Newborn Log

1 app4.8Medical

Serves parents managing infant health routines, sharing the same manual logging behavior as the source app.

Reuben Omolu

known forhurdlr

1 app4.3Finance

A broader financial tool that captures mileage alongside income and taxes, appealing to the same freelancer demographic as the target app.

Differentiators

  • Strong positioning within the 'solopreneur' and gig economy ecosystem
  • Highly rated for its automated tax-filing integrations
Shen.AI

known forHeart Monitor: Measure BP & HR

1 app4.4Medical

Provides cardiovascular wellness insights using camera-based technology, offering an alternative to the source app's manual blood pressure logging.

Shenzhen Plus1Health Technology Co.

known forInstant Pulse - Blood Pressure

1 app4.6Medical

Uses smartphone camera sensors to track pulse and blood pressure, providing an automated measurement alternative to the source app's manual input.

Taro Horiguchi

known forBlood Sugar Tracker: A1c Log

1 app4.8Medical

Combines manual logging with AI-driven meal analysis to help users identify potential glucose spikes.

TEC-IT Datenverarbeitung

known forScan-IT to Office

1 app4.7Productivity

A professional-grade data acquisition tool used by warehouse managers for remote stocktaking.

Differentiators

  • Decades of experience in barcode and labeling software
  • Strong enterprise-level security and reliability standards
Touchberry

known forPower Sync for Fitbit

1 app4.2Medical

Automates health data consolidation into Apple Health, solving the manual entry friction that limits the source app's user engagement.

When I Work

known forWhen I Work Team Scheduling

1 app4.8Business

When I Work provides workforce management tools that overlap with the time tracking needs of larger teams.

Withings

known forWithings

1 app4.6Medical

The primary ecosystem app for users who own Withings blood pressure cuffs, representing the hardware-integrated side of the market.

Differentiators

  • Premium hardware-software integration
  • High brand recognition in the consumer health tech space
Zoho

known forInventory Management App -Zoho

1 app4.6Productivity

Part of the broader Zoho ecosystem, this app is used by businesses that need inventory to connect directly to accounting and CRM.

Differentiators

  • Massive global infrastructure and enterprise-grade security
  • Ability to scale from a single user to a multi-national corporation

New entrants(4)

DFX

known forBlood Sugar Tracker ++

1 app0.0Medical

Acts as a comprehensive health tracking tool for glucose, insulin, and carbohydrate consumption.

Giorgi Khimshiashvili

known forDulce: Glucose Tracker

1 app0.0Medical

Focuses on providing a clean, at-a-glance interface for CGM users to view glucose data on lock screens and widgets.

Itemtopia

known forItemtopia Inventory

1 app4.5Productivity

An emerging threat that combines asset management with inventory, offering a highly modern and flexible data structure.

Differentiators

  • Innovative approach to 'item lifecycle' management
  • Strong focus on the convergence of personal and small business asset tracking
TECHBOX PLT

known forMobi POS - Point of Sale

1 app3.7Business

A rising threat that mimics W&O's 'offline-first' and 'no monthly fee' (optional) approach but with a more modern iPad-native interface.

Differentiators

  • Agile development with frequent feature updates
  • Strong focus on hardware flexibility and legacy printer support

Frequently asked questions

How many apps does App Sub 1 publish?
App Sub 1 has 17 apps tracked by Marlvel, primarily in the Business category.
What kind of apps does App Sub 1 make?
App Sub 1's portfolio is concentrated in Business and Medical, with an average rating of 3.9/5 across rated apps.
What is App Sub 1's top app?
By review volume across the portfolio, Mileage Tracker is App Sub 1's best-known app tracked by Marlvel.
In how many countries are App Sub 1's apps available?
Marlvel has tracked App Sub 1's apps across 19 countries.

What fed this analysis

Apps analyzed:
20
With full intel:
17
With overview:
20
Website scraped:
yes
Social presence:
no

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 App Sub 1, 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. “App Sub 1 intelligence.” Updated 2026-04-24. https://marlvel.ai/publishers/app-sub-1-llc

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Data licensed under CC-BY-NC 4.0