Report updated May 24, 2026
Storky - Contraction Timer
For expectant parents monitoring labor progress who require a simple, reliable tool to decide when to seek professional medical care.
Storky - Contraction Timer is a well-regarded health & fitness app that is completely free. With a 4.8/5 rating from 1.7K reviews, it maintains solid user satisfaction. Users particularly appreciate simple and clean interface, though lack of data sync remains a common concern.
What is Storky - Contraction Timer?
Storky is a free, ad-free contraction timer and labor-tracking utility for expectant parents on iOS and Android.
Users hire Storky for high-reliability, low-distraction monitoring during the onset of labor, where complex interfaces increase stress and error rates.
Current Momentum
v2.5 · 3mo ago
Steady- Ships frequent stability updates.
- Maintains steady category chart presence.
Active Nemesis
BabyTime
By Bucky
Other Rivals
7-Day Rank Pulse 🇺🇸
Health & FitnessNo ranking data
Rating Pulse 🇺🇸
Recent User Mood
What makes this app unique?
What Does It Look Like?
What Are The Key Features?
One-tap measurement of contraction duration and interval timing
Educational content detailing contraction patterns across early, active, and transition labor phases
Automated alert system suggesting when to depart for a hospital or birth center based on tracked data
Aggregated log of contraction data for sharing with healthcare providers via email or external apps
How much does it cost?
- Free version with no ads
The app operates as a free, ad-free utility, likely serving as a brand-building tool for the developer's broader baby-monitoring portfolio.
Who Built It?
TappyTaps s.r.o.
Repurposing mobile hardware into specialized monitoring systems for pet owners and parents.
Portfolio
13
Apps
What other apps does TappyTaps s.r.o. make?
Dog Monitor
Baby Monitor 3G - Video Nanny
Baby Monitor 3G
Bibino Baby Monitor - Baby Cam
Bibino Baby Monitor: Nanny Cam
Barkio: Dog Monitor & Pet Cam
Explore the full TappyTaps s.r.o. report
Portfolio breakdown, audience, momentum, and every app published by TappyTaps s.r.o..
What do users think recently?
High confidence · Latest 100 of 1.7K total reviews analyzed
How did the latest release land?
What is the recent mood?
Recent user voice shows a excited sentiment. Users appreciate simple and clean interface, but report lack of data sync.
What Users Love
What Frustrates Users
View the full user-sentiment analysis
Mood gauge, ratings & review-volume history, every praise / complaint / request, and sentiment over time.
What is the competitive landscape for Storky - Contraction Timer?
How's The Health & Fitness Market?
How does it evolve in the Health & Fitness market?
Storky holds a niche medical utility position, ranking #57 in the Czech Republic and #104 in the US Medical category. The high iOS rating of 4.85 suggests strong product-market fit for the current feature set, though the Android rating gap signals a need for parity.
Rank progression
26 active rankings tracked — 30-day window
Which niche is Storky - Contraction Timer in?
to track contractions and monitor labor progress
Explore the full Pregnancy Trackers niche
Every app in this space — 34 tracked, the niche's live rankings, and Marlvel's editorial take on the job-to-be-done.
The rivals identified
Nemeses(1)
The Bump dominates the pregnancy lifecycle, capturing users long before they reach the contraction-timing phase that Storky specializes in.
Contenders(4)
BabyTime is a direct functional competitor that combines contraction timing with post-birth activity tracking.
This app serves as a direct alternative for users seeking comprehensive pregnancy development tracking and nutritional guidance.
This app targets the same health-conscious demographic by focusing on fertility diagnostics and test result tracking.
Momiary competes by offering a broader suite of health tracking tools that overlap with the user's need for pregnancy monitoring.
Same space(3)
This is a professional-grade tool that overlaps with the gestational tracking needs of Storky's user base.
This app provides educational content for the pregnancy journey, competing for the user's attention during the same months.
This tool addresses the clinical side of pregnancy, focusing on gestational age calculations similar to Storky's utility focus.
Compare Storky - Contraction Timer against every rival
All rivals in one side-by-side table — identity, store metrics, ratings & sentiment, and strategic intel — plus a head-to-head page for each.
The outtake for Storky - Contraction Timer
Strengths to defend, gaps to attack
Core Strengths
- Minimalist UX reduces cognitive load during labor
- Ad-free utility builds brand trust
Critical Frictions
- No cloud-sync across devices
- 0.97★ rating gap between iOS and Android
Growth Levers
- B2B partnerships with birth centers
- Wearable integration for hands-free tracking
Market Threats
- Multi-caregiver synchronization in BabyTime
- Post-birth churn to comprehensive trackers
What are the next best moves?
Ship cloud-sync for user data because it is the top-requested missing feature → reduce churn to competitors like Full Term
User reviews consistently flag the lack of data persistence as a primary frustration.
Trade-off: Push wearable companion app sprint to Q3.
Audit Android build stability because of the 0.97★ rating gap vs iOS → stabilize the platform footprint
The rating disparity suggests technical regressions or UX friction specific to the Android version.
Trade-off: Pause new feature development for one cycle.
A counter-intuitive read
Storky's lack of monetization is not a failure but a deliberate brand-building mechanism that lowers the barrier to entry for the developer's broader baby-monitoring portfolio.
Feature Gaps vs Competitors
- Multi-caregiver synchronization (available in BabyTime)
- Native Apple Watch support (available in Full Term)
- Cloud-sync capabilities (available in Full Term)
Key Takeaways
Storky wins on minimalist utility during labor, but the lack of data persistence and collaborative features creates a churn risk to comprehensive trackers, so the PM should prioritize cloud-sync to secure the user base.
Where Is It Heading?
Stable
The labor-tracking market is consolidating around tools that offer seamless data persistence and multi-caregiver access. Storky remains exposed due to its siloed data model, so revenue and retention growth depend on adding synchronization to prevent migration to comprehensive trackers.
The lack of data persistence across devices forces users to competitors, which compounds the churn pressure into the post-birth phase.
Strong iOS ratings confirm the minimalist labor-timer utility remains highly valued, providing a solid foundation for potential B2B expansion.