# Simple Protein Log vs Protein Notes

The clearest difference is in-app purchases: Protein Notes at none against Simple Protein Log's 3. Protein Notes also leads on iOS requirement (11.0 vs 13.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Simple Protein Log sells 3 in-app purchases, starting at $0.99 per month. Protein Notes asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 2 weeks. The most recent releases landed on September 10, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | Simple Protein Log | Protein Notes |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 2 weeks | Every 2 weeks |
| Size | 52 MB | 32 MB |
| Requires iOS | 13.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [NAOYA ONO](https://appshunter.io/developer/1530328146) | [Yudai Abe](https://appshunter.io/developer/1566818989) |

## What reviewers say

### Simple Protein Log

[App page](https://appshunter.io/ios/app/simple-protein-log/id1669670482)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Plan | $0.99 | per month |
| Support Developer | $0.99 | one-time |
| Remove ads | $9.99 | one-time |


### Protein Notes

[App page](https://appshunter.io/ios/app/protein-notes/id6449536178)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Simple Protein Log free?

Simple Protein Log is free to download, with in-app purchases available.

### Is Protein Notes free?

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

### Do Simple Protein Log or Protein Notes have ads?

Both Simple Protein Log and Protein Notes show ads.

### Which is updated more often, Simple Protein Log or Protein Notes?

Simple Protein Log ships an update every 2 weeks, and Protein Notes every 2 weeks. Most recently, Simple Protein Log was updated on September 10, 2026 and Protein Notes on September 20, 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.*