# StackProof vs STapp

The clearest difference is in-app purchases: STapp at none against StackProof's 3. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. StackProof sells 3 in-app purchases, starting at $1.99 per month. STapp asks for nothing beyond the download.

## The numbers

| Metric | StackProof | STapp |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Weekly | — |
| Size | 42 MB | 5 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [joel Saucedo Lozano](https://appshunter.io/developer/1895885764) | [Mogens Gallardo](https://appshunter.io/developer/6773789728) |

## What reviewers say

### StackProof

[App page](https://appshunter.io/ios/app/stackproof-supplement-tracker/id6764703324)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $1.99 | per month |
| Yearly | $34.99 | per year |
| Lifetime | $59.99 | one-time |


### STapp

[App page](https://appshunter.io/ios/app/stapp-supplement-tracker/id6773789726)

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

**In-app purchases:** none


## Frequently asked questions

### Is StackProof free?

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

### Is STapp free?

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

### Do StackProof or STapp have ads?

Neither StackProof nor STapp 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.*