# Insomnia Sleep Tracker vs Circa

The clearest difference is in-app purchases: Circa at none against Insomnia Sleep Tracker's 10. Circa also leads on update cadence (every 5 weeks vs every 3 months). Insomnia Sleep Tracker's advantage is ads (none vs shown) and device support (4 vs 1). On price there is nothing between them.

Both are free to download. Insomnia Sleep Tracker sells 10 in-app purchases, starting at $6.99 per month. Circa asks for nothing beyond the download.

Insomnia Sleep Tracker ships an update every 3 months, Circa every 5 weeks. Both last shipped on November 5, 2026.

## The numbers

| Metric | Insomnia Sleep Tracker | Circa |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 3 months | **Every 5 weeks** |
| Size | 220 MB | 7 MB |
| Requires iOS | **15.5** | 17.0 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone |
| Age rating | 17+ | 12+ |
| Developer | [Digital Therapeutics](https://appshunter.io/developer/1721663167) | [Levin David Schwab](https://appshunter.io/developer/1896432297) |

## What reviewers say

### Insomnia Sleep Tracker

[App page](https://appshunter.io/ios/app/insomnia-sleep-tracker/id6762095934)

**Features:** macOS Compatibility, Siri integration, Apple Watch app, iMessage stickers, Vision Pro support

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| steady pass | $6.99 | per month |
| weather max | $9.99 | per 3 months |
| carey ai max | $19.99 | per month |
| Lite Yearly | $29.99 | per year |
| carey ai ultra | $29.99 | per month |
| Extended Trial | $39.99 | per year |
| 7-Day Trial | $49.99 | per year |
| carey ai credits | $8.99 | one-time |
| Store Credit | $9.99 | one-time |
| Lifetime Upgrade | $119.99 | one-time |


### Circa

[App page](https://appshunter.io/ios/app/circa-health-intelligence/id6779644107)

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

**In-app purchases:** none


## Frequently asked questions

### Is Insomnia Sleep Tracker free?

Insomnia Sleep Tracker is free to download, with in-app purchases available.

### Is Circa free?

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

### Do Insomnia Sleep Tracker or Circa have ads?

Circa shows ads; Insomnia Sleep Tracker does not.

### Which is updated more often, Insomnia Sleep Tracker or Circa?

Insomnia Sleep Tracker ships an update every 3 months, and Circa every 5 weeks. Most recently, Insomnia Sleep Tracker was updated on November 5, 2026 and Circa on November 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.*