# M vs Reti Interval Timer

The clearest difference is in-app purchases: M at none against Reti Interval Timer's 1. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Reti Interval Timer sells 1 in-app purchase, starting at $7.99 per year. M asks for nothing beyond the download.

## The numbers

| Metric | M | Reti Interval Timer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | — |
| Size | 6 MB | 8 MB |
| Requires iOS | **17.0** | 18.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Jochen Hornung](https://appshunter.io/developer/1880629302) | [Norvela LLC](https://appshunter.io/developer/6799492815) |

## What reviewers say

### M

[App page](https://appshunter.io/ios/app/m-sphere/id6759786301)

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

**In-app purchases:** none


### Reti Interval Timer

[App page](https://appshunter.io/ios/app/reti-interval-timer/id6799492813)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Reti Pro | $7.99 | per year |


## Frequently asked questions

### Is M free?

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

### Is Reti Interval Timer free?

Reti Interval Timer is free to download, with in-app purchases available.

### Do M or Reti Interval Timer have ads?

Neither M nor Reti Interval Timer 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.*