# O2 Performance vs MacroTrack

The clearest difference is in-app purchases: O2 Performance at none against MacroTrack's 3. O2 Performance also leads on iOS requirement (13.0 vs 15.1). MacroTrack's advantage is update cadence (every 11 days vs every 6 weeks). On price, ads and device support there is nothing between them.

Both are free to download. MacroTrack sells 3 in-app purchases, starting at $4.99 per month. O2 Performance asks for nothing beyond the download.

O2 Performance ships an update every 6 weeks, MacroTrack every 11 days. The most recent releases landed on October 8, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | O2 Performance | MacroTrack |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.8 (10 ratings)](https://appshunter.io/ios/app/macrotrack-tdee-calorie-log/id6776359656/reviews)** |
| Number of ratings | — | **10** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 11 days** |
| Monetization | — | Freemium |
| Size | 56 MB | 52 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [GymVue](https://appshunter.io/developer/1593348109) | [Younis Yousef](https://appshunter.io/developer/6776359658) |

## What reviewers say

### O2 Performance

[App page](https://appshunter.io/ios/app/o2-performance/id6737245216)

**Features:** macOS Compatibility

**In-app purchases:** none


### MacroTrack

[App page](https://appshunter.io/ios/app/macrotrack-tdee-calorie-log/id6776359656)

This app helps users track their calorie and macronutrient intake with a focus on speed and accuracy. It offers features like barcode scanning, a comprehensive food database, and customizable goals for cutting, maintaining, or bulking. Advanced analytics and recipe building are available with a Pro subscription.

**Highlights:** Live calorie ring and macro bars, Barcode scanning for instant logging, Multi-source food database, TDEE engine with automatic formula upgrades, One-tap goal presets (Cut, Maintain, Bulk), Weight logging and trend charting, Recipe builder (Pro feature)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| MacroTrack Pro | $4.99 | per month |
| MacroTrack Pro | $29.99 | per year |
| MacroTrack Pro Lifetime | $79.99 | one-time |


## Frequently asked questions

### Is O2 Performance free?

O2 Performance is free to download, with no in-app purchases.

### Is MacroTrack free?

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

### Do O2 Performance or MacroTrack have ads?

Neither O2 Performance nor MacroTrack shows ads.

### Which is updated more often, O2 Performance or MacroTrack?

O2 Performance ships an update every 6 weeks, and MacroTrack every 11 days. Most recently, O2 Performance was updated on October 8, 2026 and MacroTrack on October 5, 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.*