# 4k Weeks vs Protein Tracker

The clearest difference is price: Protein Tracker at Free against 4k Weeks's $1.99. Protein Tracker also leads on update cadence (every 6 days vs every 9 months) and iOS requirement (13.0 vs 18.4). 4k Weeks's advantage is in-app purchases (none vs 1) and ads (none vs shown). On device support there is nothing between them.

Protein Tracker is free to download; 4k Weeks costs $1.99 up front. Protein Tracker sells 1 in-app purchase, starting at $1.99 per month. 4k Weeks asks for nothing beyond the download.

4k Weeks ships an update every 9 months, Protein Tracker every 6 days. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | 4k Weeks | Protein Tracker |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 9 months | **Every 6 days** |
| Size | 6 MB | 28 MB |
| Requires iOS | 18.4 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [ALBERT DONAIRE ESCRIGAS](https://appshunter.io/developer/1805379390) | [Dario Bertoli](https://appshunter.io/developer/1895263297) |

## What reviewers say

### 4k Weeks

[App page](https://appshunter.io/ios/app/4k-weeks/id6744328745)

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

**In-app purchases:** none


### Protein Tracker

[App page](https://appshunter.io/ios/app/protein-tracker-daily-log/id6763321495)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Protein Tracker Pro - Ad Free | $1.99 | per month |


## Frequently asked questions

### Is 4k Weeks free?

4k Weeks costs $1.99, with no in-app purchases.

### Is Protein Tracker free?

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

### Do 4k Weeks or Protein Tracker have ads?

Protein Tracker shows ads; 4k Weeks does not.

### Which is updated more often, 4k Weeks or Protein Tracker?

4k Weeks ships an update every 9 months, and Protein Tracker every 6 days. Most recently, 4k Weeks was updated on October 24, 2026 and Protein Tracker on October 25, 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.*