# Simple Protein Log vs NutritionFactor

The clearest difference is in-app purchases: NutritionFactor at none against Simple Protein Log's 3. NutritionFactor also leads on ads (none vs shown). Simple Protein Log's advantage is device support (3 vs 1) and iOS requirement (13.0 vs 16.4). On price and update cadence there is nothing between them.

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

Both ship on a similar rhythm, roughly every 2 weeks. The most recent releases landed on September 29, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Simple Protein Log | NutritionFactor |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 2 weeks | Every 2 weeks |
| Size | 52 MB | 20 MB |
| Requires iOS | **13.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 17+ | 17+ |
| Developer | [NAOYA ONO](https://appshunter.io/developer/1530328146) | [Yuji Suda](https://appshunter.io/developer/1448158807) |

## 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 |


### NutritionFactor

[App page](https://appshunter.io/ios/app/nutritionfactor/id6447796261)

**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 NutritionFactor free?

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

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

Simple Protein Log shows ads; NutritionFactor does not.

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

Simple Protein Log ships an update every 2 weeks, and NutritionFactor every 2 weeks. Most recently, Simple Protein Log was updated on September 29, 2026 and NutritionFactor on October 1, 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.*