# Fusion Fertility vs TempCurve BBT Chart

The clearest difference is in-app purchases: TempCurve BBT Chart at none against Fusion Fertility's 2. TempCurve BBT Chart also leads on iOS requirement (17.0 vs 26.2). Fusion Fertility's advantage is update cadence (weekly vs monthly). On price, ads and device support there is nothing between them.

Both are free to download. Fusion Fertility sells 2 in-app purchases, starting at $7.99 per month. TempCurve BBT Chart asks for nothing beyond the download.

Fusion Fertility ships an update weekly, TempCurve BBT Chart monthly. The most recent releases landed on November 5, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Fusion Fertility | TempCurve BBT Chart |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/fusion-fertility/id6760246239/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Weekly** | Monthly |
| Monetization | Free with in-app purchases | — |
| Size | 4 MB | 4 MB |
| Requires iOS | 26.2 | **17.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [R&R INNOVATIVE APPLICATIONS](https://appshunter.io/developer/1875806778) | [拥军 刘](https://appshunter.io/developer/1896777340) |

## What reviewers say

### Fusion Fertility

[App page](https://appshunter.io/ios/app/fusion-fertility/id6760246239)

This app is a comprehensive fertility and IVF companion. It offers personalized insights and smart tracking for cycle management, IVF preparation, and treatment monitoring. Features include detailed logging of medications, symptoms, and key milestones in a secure and private environment.

**Highlights:** Cycle and ovulation tracking, IVF and treatment logging, Medication reminders and injection guides, Symptom and mood logging, Personalized fertility insights, Secure and private data storage

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Fusion Fertility Premium Monthly | $7.99 | per month |
| Fusion Fertility Premium Yearly | $59.99 | per year |


### TempCurve BBT Chart

[App page](https://appshunter.io/ios/app/tempcurve-bbt-chart/id6776111769)

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

**In-app purchases:** none


## Frequently asked questions

### Is Fusion Fertility free?

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

### Is TempCurve BBT Chart free?

TempCurve BBT Chart is free to download, with no in-app purchases.

### Do Fusion Fertility or TempCurve BBT Chart have ads?

Neither Fusion Fertility nor TempCurve BBT Chart shows ads.

### Which is updated more often, Fusion Fertility or TempCurve BBT Chart?

Fusion Fertility ships an update weekly, and TempCurve BBT Chart monthly. Most recently, Fusion Fertility was updated on November 5, 2026 and TempCurve BBT Chart on October 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.*