# Athletic Lab vs Cardio Log

The clearest difference is device support: Athletic Lab at 3 against Cardio Log's 1. Athletic Lab also leads on iOS requirement (15.1 vs 17.0). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Both ship on a similar rhythm, roughly every 4 months. The most recent releases landed on October 5, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Athletic Lab | Cardio Log |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | Every 4 months |
| Size | 37 MB | 3 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 12+ | 4+ |
| Developer | [TRNR](https://appshunter.io/developer/1650536111) | [LEAN ASIA CO., LTD](https://appshunter.io/developer/1815050814) |

## What reviewers say

### Athletic Lab

[App page](https://appshunter.io/ios/app/athletic-lab/id6755620407)

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

**In-app purchases:** none


### Cardio Log

[App page](https://appshunter.io/ios/app/cardio-log-exercise-journal/id6772255779)

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

**In-app purchases:** none


## Frequently asked questions

### Is Athletic Lab free?

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

### Is Cardio Log free?

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

### Do Athletic Lab or Cardio Log have ads?

Neither Athletic Lab nor Cardio Log shows ads.

### Which is updated more often, Athletic Lab or Cardio Log?

Athletic Lab ships an update every 4 months, and Cardio Log every 4 months. Most recently, Athletic Lab was updated on October 5, 2026 and Cardio Log on October 15, 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.*