Comparison

iFertracker vs Wrist Temperature Tracker

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

iFertracker

This app helps users track their menstrual cycles and identify their fertile window for conception. It uses basal body temperature data to predict ovulation and suggest optimal times for intercourse. Users can visualize their cycle data and share BBT charts for medical consultation.

Highlights
  • Ovulation prediction
  • Fertile window identification
  • Menstrual cycle tracking
  • Basal body temperature charting
  • Health App integration
  • Data visualization
Features
Read full description

iFertracker, a smart basal-body-temperature (BBT) thermometer developed by Raiing Medical Company, is to track the best time to try and conceive. Connecting with the iFertracker App, iFertracker can easily tell you the phases of your menstrual cycle, fertile window, and help you arrange intercourse accordingly. Key functions are: [Find the right time] - Wear the iFertracker overnight, you will get precise basal body temperature for ovulation prediction and the best time for intercourse. [Understand your menstrual cycles] - Menstrual cycles are illustrated in a visual and intuitive way based on consecutive and precise data, getting you ready for the approaching period. [BBT chart] - BBT chart is available for further medical consulting and professional diagnosis. iFertracker has integrated with the Health App and you can sync your basal body temperature and menstruation data to the Health app (requires iOS8). Raiing Medical is a data driven, healthcare service company, dedicated to reproductive health.

About

Wrist Temperature Tracker

Automatically analyzes your cycle, ovulation, and temperature patterns using Apple Watch data. Visualize your cycle phases with intelligent charting and trend insights. Advanced features like cycle overlays and widgets require an in-app purchase.

Highlights
  • Automatic cycle detection
  • Ovulation and temperature pattern analysis
  • Cycle comparison and overlays
  • Trend insights and phase visualization
  • Daily temperature heat-map
  • Yearly trend overview
Features
Read full description

Wrist Temperature Tracker turns overnight Apple Watch wrist temperature into clear trends, widgets, and cycle context. The app reads existing wrist temperature values from Apple Health; it does not measure body temperature by itself. Before you start - You need an Apple Watch that supports wrist temperature sensing. - Wear it while sleeping. Track Sleep with Apple Watch and Sleep Focus need to be active for at least 4 hours per night. - After setup or pairing, establishing a baseline usually takes about 5 nights. - Allow the app to read wrist temperature from Health. If Health has no samples, the app cannot show any values. Features - Optional import of recorded cycle starts from Apple Health, with separate read permission. Recorded starts and temperature-based estimates are clearly distinguished. Reproductive data stays on your device; the app does not write cycle entries to Health. - Daily readings plus weekly, monthly, and yearly trends - Heat maps that show changes from your usual pattern - Cycle comparisons and temperature context for spotting recurring patterns - Widgets and complications for quick access to recent data - Configurable notifications for temperature changes - A diagnostics area for Health data, notifications, and purchases Cycle insights help you recognize personal patterns. They are not intended for contraception and do not replace a medical thermometer or diagnosis. Some features, including advanced comparisons, widgets, and extended views, require an in-app purchase. Terms and conditions: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

iFertracker3 screens
Wrist Temperature Tracker4 screens

Verdict

The call

The clearest difference is in-app purchases: iFertracker at none against Wrist Temperature Tracker's 3. iFertracker also leads on review sentiment (40% vs 28%) and iOS requirement (10.0 vs 18.0). Wrist Temperature Tracker's advantage is rating (3.4 vs 3.1) and update cadence (every 11 days vs every 2 months). On price, ratings volume, ads and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Wrist Temperature Tracker sells 3 in-app purchases, starting at $1.99 per month. iFertracker asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Wrist Temperature Tracker holds the better App Store score, 3.4 against 3.1. Both are backed by a comparable volume of ratings — 55 and 127 respectively. Written reviews complicate that: 40% of iFertracker's written reviews are positive against 28% of Wrist Temperature Tracker's, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

iFertracker ships an update every 2 months, Wrist Temperature Tracker every 11 days. Both last shipped on September 28, 2026.

Scorecard6 real differences · 4 level
iFertracker versus Wrist Temperature Tracker: the parameters behind the verdict, then further details
ParameteriFertrackerWrist Temperature Tracker
PriceFreeFree
Rating3.1 (55 ratings)3.4 (127 ratings) — better
Positive reviews40.0% of reviews — better27.9% of reviews
Number of ratings55127 — better
Update frequencyEvery 2 monthsEvery 11 days — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone, Apple Watch
Requires iOS10.0 — better18.0
Further details — not scored
Size47 MB5 MB
Age rating17+4+
DeveloperRaiing Medical CompanyBernhard Hering

Customer experience

iFertracker

All ratings55 ratings
Positive47.3%
Neutral7.3%
Negative45.5%
Written reviews45 reviews
Positive40.0%
Neutral8.9%
Negative51.1%

Wrist Temperature Tracker

All ratings127 ratings
Positive58.3%
Neutral3.9%
Negative37.8%
Written reviews104 reviews
Positive27.9%
Neutral8.7%
Negative63.5%

In-app purchases

None

iFertracker

No in-app purchases

3 purchases

Wrist Temperature Tracker

Subscriptions2
  • Monthly Subscription$1.991 Month
  • Yearly Subscription$11.991 Year
One-time1
  • Unlock Wrist Temperature$79.99

Questions

Is iFertracker free?
iFertracker is free to download, with no in-app purchases.
Is Wrist Temperature Tracker free?
Wrist Temperature Tracker is free to download, with in-app purchases available.
Which has better reviews, iFertracker or Wrist Temperature Tracker?
Wrist Temperature Tracker is rated higher. iFertracker averages 3.1 out of 5 from 55 ratings, while Wrist Temperature Tracker averages 3.4 from 127 ratings.
Do iFertracker or Wrist Temperature Tracker have ads?
Neither iFertracker nor Wrist Temperature Tracker shows ads.
Which is updated more often, iFertracker or Wrist Temperature Tracker?
iFertracker ships an update every 2 months, and Wrist Temperature Tracker every 11 days. Most recently, iFertracker was updated on September 28, 2026 and Wrist Temperature Tracker on September 28, 2026.

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