# Femometer Fertility Tracker vs Boost Studios

The clearest difference is in-app purchases: Boost Studios at none against Femometer Fertility Tracker's 10. Femometer Fertility Tracker's advantage is update cadence (every 2 weeks vs every 8 months) and device support (4 vs 2). On price, ads and iOS requirement there is nothing between them.

Both are free to download. Femometer Fertility Tracker sells 10 in-app purchases, starting at $6.99 per 7 days. Boost Studios asks for nothing beyond the download.

Femometer Fertility Tracker ships an update every 2 weeks, Boost Studios every 8 months. The most recent releases landed on October 23, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Femometer Fertility Tracker | Boost Studios |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (71K ratings)](https://appshunter.io/ios/app/femometer-fertility-tracker/id1269972832/reviews)** | — |
| Number of ratings | **71K** | — |
| Positive reviews | 65.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 8 months |
| Monetization | Free with in-app purchases | — |
| Size | 253 MB | 15 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Bongmi Global Group](https://appshunter.io/developer/1526416891) | [Trainin](https://appshunter.io/developer/1732652497) |

## What reviewers say

### Femometer Fertility Tracker

[App page](https://appshunter.io/ios/app/femometer-fertility-tracker/id1269972832)

This app helps women track their menstrual cycles, predict ovulation, and monitor fertility. It records period dates, symptoms, and test results to provide personalized insights and increase conception rates. It also supports users throughout pregnancy with tracking and educational resources.

**Highlights:** Period and PMS tracking, Ovulation and fertile window prediction, Basal Body Temperature (BBT) charting, Cervical Mucus (CM) logging, Pregnancy test result recording, Fertility insights and conception guidance, Pregnancy journey tracking

**Features:** macOS Compatibility, Apple Wallet, Apple Watch app

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Femometer Prime | $6.99 | per 7 days |
| Femometer Ovulation Calculator | $9.99 | per month |
| Femometer Prime | $9.99 | per month |
| Femometer Prime | $11.99 | per month |
| Femometer Prime | $16.99 | per 3 months |
| Femometer Prime | $19.99 | per 3 months |
| Femometer Period Tracker Pro | $19.99 | per 3 months |
| Advanced Fertility Insights | $29.99 | per year |
| Femometer Prime | $49.99 | per year |
| Femometer Prime | $49.99 | per year |

**What reviewers like**

- 🚀 Reliable and accurate predictions
- 👍 Customizable and helpful features
- 💡 Intelligent LH test recognition
- 👍 Great for tracking cycles and ovulation

**What reviewers complain about**

- 🐛 Syncing and connectivity issues
- 🔍 Limited fertility factor tracking
- 💬 Overwhelming community discussions
- 💰 Paywall for key features

**Reported bugs**

- App crashes and data loss
- Inaccurate ovulation predictions
- Login and account issues
- Deleted user history

**Requested features**

- Option to hide community feed
- Improved data export and backup
- Tracking for rare pregnancy conditions
- More skin tone options for pregnancy tracking


### Boost Studios

[App page](https://appshunter.io/ios/app/boost-studios/id6670202365)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Femometer Fertility Tracker free?

Femometer Fertility Tracker is free to download, with in-app purchases available.

### Is Boost Studios free?

Boost Studios is free to download, with no in-app purchases.

### Do Femometer Fertility Tracker or Boost Studios have ads?

Neither Femometer Fertility Tracker nor Boost Studios shows ads.

### Which is updated more often, Femometer Fertility Tracker or Boost Studios?

Femometer Fertility Tracker ships an update every 2 weeks, and Boost Studios every 8 months. Most recently, Femometer Fertility Tracker was updated on October 23, 2026 and Boost Studios on October 7, 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.*