# Proof vs NUTRI REV

The clearest difference is in-app purchases: Proof at none against NUTRI REV's 2. Proof also leads on ads (none vs shown) and iOS requirement (13.0 vs 15.0). NUTRI REV's advantage is update cadence (every 3 months vs every 29 months). On price and device support there is nothing between them.

Both are free to download. NUTRI REV sells 2 in-app purchases, starting at $3.99 per month. Proof asks for nothing beyond the download.

Proof ships an update every 29 months, NUTRI REV every 3 months. The most recent releases landed on October 2, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | Proof | NUTRI REV |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 29 months | **Every 3 months** |
| Size | 7 MB | 75 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Naouar EL Houti](https://appshunter.io/developer/1718439044) | [Delphine Michel](https://appshunter.io/developer/1795477087) |

## What reviewers say

### Proof

[App page](https://appshunter.io/ios/app/proof/id6473114558)

**Features:** macOS Compatibility

**In-app purchases:** none


### NUTRI REV

[App page](https://appshunter.io/ios/app/nutri-rev/id6741770481)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Abonnement Mensuel | $3.99 | per month |
| Abonnement aux programmes | $4.99 | per month |


## Frequently asked questions

### Is Proof free?

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

### Is NUTRI REV free?

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

### Do Proof or NUTRI REV have ads?

NUTRI REV shows ads; Proof does not.

### Which is updated more often, Proof or NUTRI REV?

Proof ships an update every 29 months, and NUTRI REV every 3 months. Most recently, Proof was updated on October 2, 2026 and NUTRI REV on September 26, 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.*