# MyPepTracker vs StackProof

The clearest difference is in-app purchases: MyPepTracker at none against StackProof's 3. StackProof's advantage is update cadence (weekly vs every 4 weeks) and iOS requirement (15.1 vs 17.0). On price, ads and device support there is nothing between them.

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

MyPepTracker ships an update every 4 weeks, StackProof weekly. The most recent releases landed on September 5, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | MyPepTracker | StackProof |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 weeks | **Weekly** |
| Size | 8 MB | 42 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Gregory Roy](https://appshunter.io/developer/1892922555) | [joel Saucedo Lozano](https://appshunter.io/developer/1895885764) |

## What reviewers say

### MyPepTracker

[App page](https://appshunter.io/ios/app/mypeptracker/id6762103081)

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is MyPepTracker free?

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

### Is StackProof free?

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

### Do MyPepTracker or StackProof have ads?

Neither MyPepTracker nor StackProof shows ads.

### Which is updated more often, MyPepTracker or StackProof?

MyPepTracker ships an update every 4 weeks, and StackProof weekly. Most recently, MyPepTracker was updated on September 5, 2026 and StackProof on September 15, 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.*