Report updated May 19, 2026
Natural Cycles Fertility App
For women aged 18+ seeking hormone-free, clinically-backed alternatives to traditional birth control or support for various reproductive life stages.
Natural Cycles Fertility App is a challenged health & fitness app that is available. With a 4.7/5 rating from 52.3K reviews, it faces significant user friction. Users particularly appreciate cycle tracking accuracy provides users with reliable data for family planning and body awareness, though subscription price increases are perceived as unjustifiable given the lack of meaningful feature improvements remains a common concern.
What is Natural Cycles Fertility App?
Natural Cycles is an FDA-cleared fertility and ovulation tracking app for birth control and pregnancy planning on iOS and Android.
Users hire the app for hormone-free, clinically-backed contraception that avoids the side effects of traditional medical interventions.
Current Momentum
v5.7 · 1w ago
Maintenance- Introduced NC° Perimenopause mode.
- Launched NC° Band for temperature tracking.
- Added NC° Postpartum mode.
Active Nemesis
Clue Period & Cycle Tracker
By BioWink
Other Rivals
7-Day Rank Pulse 🇺🇸
Health & FitnessRating Pulse 🇺🇸
Recent User Mood
What makes this app unique?
What Does It Look Like?
What Are The Key Features?
Uses body temperature and biomarker data to identify fertile days.
Syncs overnight temperature data from Oura, Apple Watch, and Garmin.
Five distinct modes for different reproductive life stages.
How much does it cost?
- Monthly subscription
- Annual subscription (includes free NC° Band)
Subscription-only model positions the app as a medical service, avoiding ad-based monetization.
Who Built It?
Providing women with FDA-cleared, hormone-free contraceptive tracking through personalized basal body temperature data and algorithmic analysis.
Portfolio
1
Apps
Explore the full NaturalCycles Nordic AB report
Portfolio breakdown, audience, momentum, and every app published by NaturalCycles Nordic AB.
What do users think recently?
High confidence · Latest 66 of 175 total reviews analyzed · Based on 175 reviews. Signal may be noisy.
How did the latest release land?
What is the recent mood?
Recent user voice shows a frustrated sentiment. Users appreciate cycle tracking accuracy provides users with reliable data for family planning and body awareness and integration with wearable devices simplifies the daily temperature logging process for active users, but report subscription price increases are perceived as unjustifiable given the lack of meaningful feature improvements and aggressive monetization and restrictive refund policies frustrate users during the trial and cancellation process.
What Users Love
What Frustrates Users
What Users Want
How have ratings & review volume moved?
Rating, review sentiment, and total reviews over time, with release markers showing the post-launch impact.
Vertical markers = app releases. Hover any release for the post-release impact delta.
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 Natural Cycles Fertility App?
How's The Health & Fitness Market?
How does it evolve in the Health & Fitness market?
Natural Cycles holds the #30 Grossing position in the US Medical category, while its free-tier discovery remains at #95. The gap between discovery and monetization suggests that the current subscription pricing creates a barrier for casual users.
Rank progression
82 active rankings tracked — 30-day window
Which niche is Natural Cycles Fertility App in?
to track fertility and manage reproductive health
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)
Direct competitor in pregnancy — tracker for adults
Contenders(4)
Captures the user at the critical transition point from pregnancy to labor, a time when Natural Cycles users often pause their primary app usage.
Directly competes for the user's attention by offering multi-caregiver synchronization and essential tracking tools for the postpartum period.
Targets the same health-conscious user base by providing specialized medical monitoring tools for the third trimester.
Competes for the attention of users who have successfully conceived and are now seeking high-fidelity visual tracking of fetal development.
Same space(3)
Provides essential gestational age calculation tools that serve as a utility for the same pregnancy-tracking audience.
Provides clinical-grade calculation tools that overlap with the data-driven nature of Natural Cycles' fertility algorithms.
Targets the mental and emotional wellness of the same demographic, offering specialized content for the birthing experience.
Compare Natural Cycles Fertility App 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 Natural Cycles Fertility App
Strengths to defend, gaps to attack
Core Strengths
- FDA-cleared clinical status creates a regulatory barrier to entry
- Wearable integration reduces daily user friction
- Multi-mode tracking extends customer lifecycle across reproductive stages
Critical Frictions
- Subscription price increases exceed perceived feature value
- UI changes increase daily logging friction
- Restrictive refund policies drive negative sentiment
Growth Levers
- Untapped B2B education and partnership distribution
- Partner-access content to improve shared cycle health
- Calendar visualization for intimate activity tracking
Market Threats
- Clue's high-frequency release cadence and broader demographic appeal
- Stardust's rapid growth among younger, engagement-focused demographics
- Rising user acquisition costs in the medical category
What are the next best moves?
Revert UI logging workflow because daily logging friction is a top-3 complaint → improve daily active habit
Recent interface changes are cited as counterintuitive, directly impacting the daily retention loop.
Trade-off: Pause the Perimenopause mode expansion — daily logging stability is more critical to retention than new feature surface area.
Audit refund and trial billing logic because aggressive monetization is a top-2 complaint → reduce negative sentiment
Users report being charged immediately despite trial expectations, driving high-churn sentiment.
Trade-off: Delay the partner-access feature sprint — billing transparency has a higher impact on immediate churn.
A counter-intuitive read
The app's clinical authority is its greatest risk: by positioning as a medical service, it invites higher price sensitivity and regulatory scrutiny that lifestyle-focused trackers like Clue successfully bypass.
Feature Gaps vs Competitors
- Real-time partner access to educational content (available in Clue but missing here)
- Intimate activity calendar visualization (available in casual trackers but missing here)
Key Takeaways
Natural Cycles maintains a clinical moat through its FDA-cleared status, but aggressive pricing and UI friction are eroding long-term user trust. The PM must prioritize logging workflow stability and billing transparency to stabilize the churn trend before expanding into new life-stage modes.
Where Is It Heading?
Declining
The fertility tracking market is consolidating around high-engagement, lifestyle-focused apps that lower the barrier to entry. Natural Cycles' clinical posture provides a defensive moat, but the current churn trend suggests that the app is failing to justify its price point against more agile competitors. The PM must pivot from feature expansion to retention-focused stability to prevent further erosion of the user base.
UI regressions in the latest update (split logging workflows) erode the daily active habit, which compounds the rating drag already visible on Android.
Subscription price hikes without feature parity are driving high-frequency churn, which threatens the long-term lifetime value of the existing user base.