# SentNotes vs Protein Tracker

The clearest difference is update cadence: Protein Tracker at weekly against SentNotes's every 2 months. SentNotes's advantage is iOS requirement (15.1 vs 18.6). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. SentNotes sells 2 in-app purchases, starting at $8.99 per month and Protein Tracker sells 2 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

SentNotes ships an update every 2 months, Protein Tracker weekly. The most recent releases landed on October 3, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | SentNotes | Protein Tracker |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Weekly** |
| Size | 133 MB | 65 MB |
| Requires iOS | **15.1** | 18.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [Francis Andrew Mwangi](https://appshunter.io/developer/1853400017) | [Ruslan Shadura](https://appshunter.io/developer/1817830161) |

## What reviewers say

### SentNotes

[App page](https://appshunter.io/ios/app/sentnotes/id6755358987)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $8.99 | per month |
| Annual Premium | $89.99 | per year |


### Protein Tracker

[App page](https://appshunter.io/ios/app/protein-tracker-gramli/id6797191475)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $4.99 | per month |
| Annual | $9.99 | per year |


## Frequently asked questions

### Is SentNotes free?

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

### Is Protein Tracker free?

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

### Do SentNotes or Protein Tracker have ads?

Neither SentNotes nor Protein Tracker shows ads.

### Which is updated more often, SentNotes or Protein Tracker?

SentNotes ships an update every 2 months, and Protein Tracker weekly. Most recently, SentNotes was updated on October 3, 2026 and Protein Tracker on October 9, 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.*