# Airbound vs ProteinMeter

The clearest difference is in-app purchases: Airbound at none against ProteinMeter's 2. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. ProteinMeter sells 2 in-app purchases, starting at $1.99 per month. Airbound asks for nothing beyond the download.

Both ship on a similar rhythm, roughly weekly. The most recent releases landed on October 7, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Airbound | ProteinMeter |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.0 (1 ratings)](https://appshunter.io/ios/app/proteinmeter-protein-tracker/id6760610209/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Weekly | Weekly |
| Monetization | — | Free |
| Size | 45 MB | 232 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [integrate360](https://appshunter.io/developer/1801898555) | [Kuan Hsiang Chen](https://appshunter.io/developer/1842850049) |

## What reviewers say

### Airbound

[App page](https://appshunter.io/ios/app/airbound/id6743196909)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is Airbound free?

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

### Is ProteinMeter free?

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

### Do Airbound or ProteinMeter have ads?

Neither Airbound nor ProteinMeter shows ads.

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

Airbound ships an update weekly, and ProteinMeter weekly. Most recently, Airbound was updated on October 7, 2026 and ProteinMeter on October 24, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*