# AthleteCraft vs CircadiaOS

The clearest difference is rating: AthleteCraft at 5.0 against CircadiaOS's 3.5. AthleteCraft also leads on ads (none vs shown) and iOS requirement (16.4 vs 18.0). CircadiaOS's advantage is update cadence (every 3 days vs every 2 months). On price, ratings volume, in-app purchases and monetization model there is nothing between them.

Both are free to download. AthleteCraft sells 2 in-app purchases, starting at $4.99 per month and CircadiaOS sells 4 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

AthleteCraft holds the better App Store score, 5.0 against 3.5. Both are backed by a comparable volume of ratings — 4 and 11 respectively.

AthleteCraft ships an update every 2 months, CircadiaOS every 3 days. The most recent releases landed on October 14, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | AthleteCraft | CircadiaOS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/athletecraft-workout-tracker/id6758561567/reviews)** | [3.5 (11 ratings)](https://appshunter.io/ios/app/circadiaos-sleep-tracker/id6761959749/reviews) |
| Number of ratings | 4 | **11** |
| Positive reviews | — | 75.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Every 3 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 131 MB | 25 MB |
| Requires iOS | **16.4** | 18.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 17+ |
| Developer | [MICHAEL DEAN DEPUE](https://appshunter.io/developer/1873649123) | [CircadiaOS LLC](https://appshunter.io/developer/1892208236) |

## What reviewers say

### AthleteCraft

[App page](https://appshunter.io/ios/app/athletecraft-workout-tracker/id6758561567)

Track workouts, practices, and games to monitor athletic progress with detailed graphs and statistics. An AI Trainer analyzes your logged data to provide personalized insights. Supports multiple sport modes with advanced features available via subscription.

**Highlights:** Workout, practice, and game tracking, Progress visualization (graphs, charts, scores), AI Trainer for personalized insights, Seven sport modes with sport-specific options, Workout history log, Skill map and consistency score (subscription)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Potentijal Pro Monthly | $4.99 | per month |
| Potentijal Pro Yearly | $29.99 | per year |


### CircadiaOS

[App page](https://appshunter.io/ios/app/circadiaos-sleep-tracker/id6761959749)

This app learns your body's ideal sleep temperature and automatically adjusts your smart thermostat throughout the night. It uses data from your wearable to personalize a four-phase temperature schedule for optimal sleep recovery. Requires a compatible smart thermostat and sleep-tracking wearable.

**Highlights:** Learns ideal sleep temperature, Personalized four-phase temperature schedule, Integrates with smart thermostats, Syncs with sleep-tracking wearables, Analyzes sleep quality, Two-week calibration period

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CircadiaOS Lite Monthly | $9.99 | per month |
| CircadiaOS | $19.99 | per month |
| CircadiaOS Lite Yearly | $99.99 | per year |
| CircadiaOS | $159.99 | per year |


## Frequently asked questions

### Is AthleteCraft free?

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

### Is CircadiaOS free?

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

### Which has better reviews, AthleteCraft or CircadiaOS?

AthleteCraft is rated higher. AthleteCraft averages 5.0 out of 5 from 4 ratings, while CircadiaOS averages 3.5 from 11 ratings.

### Do AthleteCraft or CircadiaOS have ads?

CircadiaOS shows ads; AthleteCraft does not.

### Which is updated more often, AthleteCraft or CircadiaOS?

AthleteCraft ships an update every 2 months, and CircadiaOS every 3 days. Most recently, AthleteCraft was updated on October 14, 2026 and CircadiaOS on October 24, 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.*