# ProteinMeter vs Slab

The clearest difference is rating: Slab at 5.0 against ProteinMeter's 4.0. ProteinMeter's advantage is monetization model (free vs subscription) and iOS requirement (15.0 vs 18.6). On price, review sentiment, ratings volume and update cadence there is nothing between them.

Both are free to download. ProteinMeter sells 2 in-app purchases, starting at $1.99 per month and Slab sells 2 in-app purchases, starting at $5.99 per month. Whichever you choose, the download price is not the number that matters.

Slab holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 1 and 2 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

ProteinMeter ships an update weekly, Slab every 4 days. The most recent releases landed on November 5, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | ProteinMeter | Slab |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (1 ratings)](https://appshunter.io/ios/app/proteinmeter-protein-tracker/id6760610209/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/slab-protein-tracker/id6807515971/reviews)** |
| Number of ratings | 1 | **2** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Weekly | **Every 4 days** |
| Monetization | **Free** | Subscription |
| Size | 233 MB | 9 MB |
| Requires iOS | **15.0** | 18.6 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 12+ | 12+ |
| Developer | [Kuan Hsiang Chen](https://appshunter.io/developer/1842850049) | [One Step Forward Ventures](https://appshunter.io/developer/1895082047) |

## What reviewers say

### ProteinMeter

[App page](https://appshunter.io/ios/app/proteinmeter-protein-tracker/id6760610209)

Easily monitor your daily protein consumption and achieve your nutritional targets. This app simplifies habit building by focusing solely on protein intake, ideal for fitness enthusiasts and those seeking better nutrition.

**Highlights:** Quick protein logging with smart suggestions, Daily protein intake and progress tracking, Personalized protein goal setting, Streak building for consistency, Protein history management, Optional reminders

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ProteinMeter Pro Monthly | $1.99 | per month |
| ProteinMeter Pro Yearly | $17.99 | per year |


### Slab

[App page](https://appshunter.io/ios/app/slab-protein-tracker/id6807515971)

This app focuses solely on tracking your daily protein intake, visualizing your progress with stacked blocks. It offers quick logging of common foods, barcode scanning, and custom entries, all without displaying calories or other nutritional data. The app emphasizes consistency and streaks, keeping your data private on your device.

**Highlights:** Protein-only tracking, Visual block-based logging, Quick log of frequent foods, Barcode scanning, Custom food entries, Progress streak tracking, Private, on-device data

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $5.99 | per month |
| Yearly | $29.99 | per year |


## Frequently asked questions

### Is ProteinMeter free?

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

### Is Slab free?

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

### Which has better reviews, ProteinMeter or Slab?

Slab is rated higher. ProteinMeter averages 4.0 out of 5 from 1 ratings, while Slab averages 5.0 from 2 ratings.

### Do ProteinMeter or Slab have ads?

Neither ProteinMeter nor Slab shows ads.

### Which is updated more often, ProteinMeter or Slab?

ProteinMeter ships an update weekly, and Slab every 4 days. Most recently, ProteinMeter was updated on November 5, 2026 and Slab on November 6, 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.*