# This one vs Simple Protein Log

The clearest difference is in-app purchases: This one at none against Simple Protein Log's 3. This one also leads on ads (none vs shown). Simple Protein Log's advantage is update cadence (every 2 weeks vs every 20 months). On price, device support and iOS requirement there is nothing between them.

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

This one ships an update every 20 months, Simple Protein Log every 2 weeks. Both last shipped on September 10, 2026.

## The numbers

| Metric | This one | Simple Protein Log |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 20 months | **Every 2 weeks** |
| Size | 15 MB | 52 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [ALLIED SYSTEM CO.,LTD.](https://appshunter.io/developer/1077613622) | [NAOYA ONO](https://appshunter.io/developer/1530328146) |

## What reviewers say

### This one

[App page](https://appshunter.io/ios/app/this-one/id1523322284)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is This one free?

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

### Is Simple Protein Log free?

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

### Do This one or Simple Protein Log have ads?

Simple Protein Log shows ads; This one does not.

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

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