# Prim Diet vs Coach

The clearest difference is update cadence: Coach at every 3 weeks against Prim Diet's every 3 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Prim Diet ships an update every 3 months, Coach every 3 weeks. Both last shipped on October 24, 2026.

## The numbers

| Metric | Prim Diet | Coach |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Size | 130 MB | 103 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [NIWIAI PRIVATE LIMITED](https://appshunter.io/developer/1682295085) | [Uplyft Innovations Private Limited](https://appshunter.io/developer/1485155244) |

## What reviewers say

### Prim Diet

[App page](https://appshunter.io/ios/app/prim-diet/id6496686173)

**Features:** macOS Compatibility

**In-app purchases:** none


### Coach

[App page](https://appshunter.io/ios/app/coach-app/id6739864314)

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

**In-app purchases:** none


## Frequently asked questions

### Is Prim Diet free?

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

### Is Coach free?

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

### Do Prim Diet or Coach have ads?

Neither Prim Diet nor Coach shows ads.

### Which is updated more often, Prim Diet or Coach?

Prim Diet ships an update every 3 months, and Coach every 3 weeks. Most recently, Prim Diet was updated on October 24, 2026 and Coach on October 24, 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.*