# DidoFit vs Rhythm

The clearest difference is in-app purchases: DidoFit at none against Rhythm's 2. DidoFit also leads on iOS requirement (10.0 vs 17.1). On price, ads and device support there is nothing between them.

Both are free to download. Rhythm sells 2 in-app purchases, starting at $3.99 per year. DidoFit asks for nothing beyond the download.

## The numbers

| Metric | DidoFit | Rhythm |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 6 weeks |
| Size | 58 MB | 9 MB |
| Requires iOS | **10.0** | 17.1 |
| Devices | iPhone, iPod | iPhone, Apple Watch |
| Age rating | 12+ | 12+ |
| Developer | [腾飞 王](https://appshunter.io/developer/1445983614) | [阳 孙](https://appshunter.io/developer/1518808403) |

## What reviewers say

### DidoFit

[App page](https://appshunter.io/ios/app/didofit/id1531663451)

**Features:** macOS Compatibility

**In-app purchases:** none


### Rhythm

[App page](https://appshunter.io/ios/app/rhythm-semen-retention/id6759880730)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| T_Score_Pro_Yearly | $3.99 | per year |
| T-Score-Pro | $12.99 | one-time |


## Frequently asked questions

### Is DidoFit free?

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

### Is Rhythm free?

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

### Do DidoFit or Rhythm have ads?

Neither DidoFit nor Rhythm shows ads.

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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.*