Clue Period & Cycle Tracker icon

BioWink

For individuals with menstrual cycles seeking data-driven insights into reproductive health, fertility, and hormonal patterns.

1app4.8(394.7K)Health & Fitness

Snapshot

Who is BioWink?

Providing science-based menstrual health tracking and reproductive insights with a focus on data privacy and biometric integration.

Target audience

Individuals with menstrual cycles seeking data-driven insights into reproductive healthFertilityHormonal patterns

Active nemesis

ABISHKKING

Other rivals

Portfolio

Free 1
1
app
Health & Fitness1

Last updated

Clue Period & Cycle Tracker

v276.0

5mo ago

Intense

Publisher DNA

What defines BioWink?

Publisher DNA

Primary focus

Menstrual health and reproductive tracking

Scale

indie

Target audience

Individuals with menstrual cycles seeking data-driven insights into reproductive health, fertility, and hormonal patterns.

Signature Patterns

  • •Science-backed approach to reproductive health tracking
  • •Strong emphasis on GDPR-compliant data privacy and security
  • •Freemium monetization via 'Clue Plus' subscription tiers
  • •Integration with wearable hardware for biometric data collection
  • •High update frequency with a bi-weekly release cadence
Intense

Portfolio momentum

Maintained an intense development pace with 12 updates for its flagship title over the last 6 months.

Last release 7d agoActive apps 1

Portfolio

What does BioWink ship?

Apps

1 app analysed

Research-driven content provides a defensible barrier against generic trackers

  • Long-term users value the accurate cycle tracking and clear, science-backed health information provided by the app
  • Aggressive and constant pop-up advertisements for premium subscriptions disrupt the core logging experience for free users

Distributed across 11 markets, strongest in Europe.

Based on 1 of 1 app with localized market data · last scanned .

Americas (3)

  • Brazil1 / 1
  • Mexico1 / 1
  • United States1 / 1

Europe (7)

  • France1 / 1
  • Germany1 / 1
  • Italy1 / 1
  • Netherlands1 / 1
  • Portugal1 / 1
›+2 more europe markets
  • Spain1 / 1
  • Sweden1 / 1

Asia-Pacific (1)

  • Japan1 / 1

Core markets (1/1 apps)

BrazilFranceGermanyItalyJapanMexicoNetherlandsPortugalSpainSwedenUnited States

User Sentiment

How do users feel about their apps?

0

Positive apps

0

Neutral / mixed

1

Negative apps

35/100

Avg sentiment score

Rivals

Who does BioWink compete with?

The rivals identified

Nemeses(1)

ABISHKKING

known forPeriod Tracker Period Calendar

1 app4.9Health & Fitness

Both applications target the same reproductive health demographic and offer overlapping core functionality for cycle and fertility tracking.

Contenders(10)

Aleksei Neiman

known forMy Cycle ؜

1 app4.8Health & Fitness

My Cycle competes by offering a completely free, no-subscription alternative for users alienated by the paywalling of historical data in Clue.

Flo Health

known forFlo Ovulation & Period Tracker

1 app4.7Health & Fitness

Flo and Clue compete for the same demographic of users tracking menstrual cycles and fertility, with both apps utilizing subscription-gated health insights to drive revenue.

Glow

known forGlow Eve Period Tracker

2 apps4.7Health & Fitness

Both apps target the same menstrual and fertility tracking demographic and share a common vulnerability where recent paywalls for previously free features are driving user churn.

GP Apps

known forPeriod Tracker by GP Apps

1 app4.4Health & Fitness

Both apps target individuals tracking menstrual cycles and fertility, competing for the same user base by offering distinct approaches to logging: Clue's science-backed, subscription-gated model versus GP Apps' simple, ad-supported utility.

Life Fertility Tracker IVS

known forLife - Period Tracker Calendar

1 app4.4Health & Fitness

Both applications target users managing menstrual health and fertility, competing directly for long-term retention through cycle tracking and symptom logging.

Lively Cycle

known forLively - Period Tracker, Cycle

1 app4.4Health & Fitness

Both applications target users managing reproductive health and cycle tracking, competing directly for the same demographic through subscription-based monetization models.

Perigee

known forCycles: Period & Cycle Tracker

1 app4.7Health & Fitness

Cycles competes by offering a privacy-focused, minimalist alternative that includes a native partner-sharing feature, directly addressing a functional gap in the current Clue feature set.

SimpleInnovation

known forPeriod Tracker and Calendar

1 app4.9Health & Fitness

Both applications target the same menstrual cycle tracking demographic and offer free-to-use prediction tools, creating direct competition for users seeking basic reproductive health monitoring.

Stardust App LLC (New York)

known forStardust Period Tracker

1 app4.8Health & Fitness

Stardust competes for the same menstrual cycle tracking audience as Clue by offering a distinct wellness-focused value proposition that blends clinical tracking with lunar-based rituals.

String Health

known forIVY Period & Pregnancy Tracker

1 app4.7Health & Fitness

IVY competes for the same reproductive health tracking audience by offering a free alternative that emphasizes data privacy and medical expert co-creation. Both apps target users seeking to monitor menstrual cycles, ovulation, and fertility milestones.

Same space(11)

AESTHETIC WIDGETS

known forPeriod & Ovulation Calculator

1 app3.8Health & Fitness

Captures casual users with a lightweight interface that prioritizes basic cycle awareness over clinical-grade data depth.

Bongmi Global

known forFemometer Fertility Tracker

1 app4.9Health & Fitness

Addresses the same fertility-tracking market by providing specialized tools for users to record pregnancy test results and basal body temperature.

Chuong Tran Phuc

known forMomiary: Pregnancy Tracker

1 app4.4Health & Fitness

Supports the same user base through pregnancy-specific guides that complement standard cycle tracking features.

Easy Healthcare

known forPremom Ovulation Tracker & BBT

1 app4.8Health & Fitness

Captures the high-intent fertility segment by integrating physical test-strip analysis directly into the app's tracking workflow.

ESPRESSO TECH (SMC-PRIVATE)

known forOvulation Tracker & Calculator

1 app4.6Health & Fitness

Attempts to increase session frequency by adding wellness and meditation content to standard fertility tracking features.

KHANDAKER RAHMAN

known forOvulation & Fertility Tracker

1 app4.5Health & Fitness

Provides a simplified fertility calculator that serves as a lightweight alternative for users seeking basic ovulation predictions.

Luna Life

known forluna: teen health & period app

1 app4.1Health & Fitness

Targets a younger demographic with educational content that addresses teen-specific health concerns alongside period tracking.

NaturalCycles AG

known forNatural Cycles - Birth Control

1 app4.8Health & Fitness

Targets the same reproductive health audience with a clinical-grade contraceptive algorithm that requires more rigorous data input than Clue.

Ovuline

known forOvia Cycle & Pregnancy Tracker

1 app4.8Health & Fitness

Extends reproductive health tracking beyond cycles into pregnancy and postpartum stages to maintain long-term user engagement.

Sleep Cycle AB

known forSleep Cycle - Tracker & Sounds

1 app4.7Health & Fitness

Serves the same health-conscious demographic by providing non-wearable sleep insights that complement cycle-based health monitoring.

Tamtris Web Services

known forFertility Friend FF Tracker

1 app4.6Health & Fitness

Appeals to the same fertility-focused audience by emphasizing data privacy and detailed charting for reproductive health markers.

New entrants(1)

Madre Fertility

known forMadre Fertility

1 app5.0Health & Fitness

Offers a premium, root-cause approach for couples seeking alternatives to traditional clinical fertility treatments.

The Analyst's Read

The bottom line on BioWink

Bottom line

BioWink is a specialized single-app publisher that has successfully defended its niche by prioritizing data sovereignty and clinical utility. Their high weighted rating and consistent update velocity signal a mature product with strong user retention.

Frequently asked questions

How many apps does BioWink publish?
BioWink has 1 app tracked by Marlvel, primarily in the Health & Fitness category.
What kind of apps does BioWink make?
BioWink's portfolio is concentrated in Health & Fitness, with an average rating of 4.8/5 across rated apps.
What is BioWink's top app?
By review volume across the portfolio, Clue Period & Cycle Tracker is BioWink's best-known app tracked by Marlvel.
In how many countries are BioWink's apps available?
Marlvel has tracked BioWink's apps across 11 countries.

What fed this analysis

Apps analyzed:
1
With full intel:
0
With overview:
1
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 BioWink, 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. “BioWink intelligence.” Updated 2026-04-23. https://marlvel.ai/publishers/biowink-gmbh

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Data licensed under CC-BY-NC 4.0