# Protein Notes vs Protein Flow

The clearest difference is iOS requirement: Protein Notes at 11.0 against Protein Flow's 17.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Both ship on a similar rhythm, roughly every 2 weeks. The most recent releases landed on September 20, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | Protein Notes | Protein Flow |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.8 (11 ratings)](https://appshunter.io/ios/app/protein-flow-protein-tracker/id6473550287/reviews)** |
| Number of ratings | — | **11** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 2 weeks | Every 2 weeks |
| Monetization | — | Ad-supported |
| Size | 32 MB | 6 MB |
| Requires iOS | **11.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Yudai Abe](https://appshunter.io/developer/1566818989) | [Polkadapps, LLC](https://appshunter.io/developer/1682072451) |

## What reviewers say

### Protein Notes

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

**Features:** macOS Compatibility

**In-app purchases:** none


### Protein Flow

[App page](https://appshunter.io/ios/app/protein-flow-protein-tracker/id6473550287)

Effortlessly track and optimize your daily protein intake to meet your health and fitness goals. This intuitive app helps you monitor consumption with visual charts and identify opportunities for protein boosts throughout the day.

**Highlights:** Intelligent protein tracking, Visually engaging progress charts, Identify protein intake gaps, Personalized daily protein goals, Seamless user interface, No account creation required

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Protein Notes free?

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

### Is Protein Flow free?

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

### Do Protein Notes or Protein Flow have ads?

Both Protein Notes and Protein Flow show ads.

### Which is updated more often, Protein Notes or Protein Flow?

Protein Notes ships an update every 2 weeks, and Protein Flow every 2 weeks. Most recently, Protein Notes was updated on September 20, 2026 and Protein Flow on September 22, 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.*