# iFertracker vs Wrist Temperature Tracker

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.

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.

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.

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

## The numbers

| Metric | iFertracker | Wrist Temperature Tracker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.1 (55 ratings)](https://appshunter.io/ios/app/ifertracker/id743927901/reviews) | **[3.4 (127 ratings)](https://appshunter.io/ios/app/wrist-temperature-tracker/id6443753237/reviews)** |
| Number of ratings | 55 | **127** |
| Positive reviews | **40.0% of reviews** | 27.9% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 11 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 47 MB | 5 MB |
| Requires iOS | **10.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, Apple Watch |
| Age rating | 17+ | 4+ |
| Developer | [Raiing Medical Company](https://appshunter.io/developer/543439703) | [Bernhard Hering](https://appshunter.io/developer/327542085) |

## What reviewers say

### iFertracker

[App page](https://appshunter.io/ios/app/ifertracker/id743927901)

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:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Wrist Temperature Tracker

[App page](https://appshunter.io/ios/app/wrist-temperature-tracker/id6443753237)

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:** macOS Compatibility, Family Sharing, Apple Watch app, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $1.99 | per month |
| Yearly Subscription | $11.99 | per year |
| Unlock Wrist Temperature | $79.99 | one-time |


## Frequently asked 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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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*