# THIM vs MiEye

The clearest difference is update cadence: THIM at every 2 months against MiEye's every 4 months. THIM also leads on iOS requirement (12.0 vs 16.6). On price, ads, in-app purchases and device support there is nothing between them.

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

THIM ships an update every 2 months, MiEye every 4 months. The most recent releases landed on September 22, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | THIM | MiEye |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 4 months |
| Monetization | Free | — |
| Size | 96 MB | 2 MB |
| Requires iOS | **12.0** | 16.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [Re-Time Pty Ltd](https://appshunter.io/developer/637379603) | [Circadian Health Innovations](https://appshunter.io/developer/1742411829) |

## What reviewers say

### THIM

[App page](https://appshunter.io/ios/app/thim-sleep-ring/id1538264675)

This app helps you improve sleep quality through a unique conditioning program developed by a sleep scientist. It tracks sleep stages, offers power naps, and features a smart alarm to wake you from light sleep. Monitor your sleep efficiency with a score used in sleep clinics.

**Highlights:** Sleep conditioning program, Track sleep quality and stages, Accurate 10-minute power naps, Smart alarm for light sleep wake-ups, Sleep efficiency scoring, Community for sleep optimization

**Features:** macOS Compatibility

**In-app purchases:** none


### MiEye

[App page](https://appshunter.io/ios/app/mieye/id6499090691)

**In-app purchases:** none


## Frequently asked questions

### Is THIM free?

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

### Is MiEye free?

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

### Do THIM or MiEye have ads?

Neither THIM nor MiEye shows ads.

### Which is updated more often, THIM or MiEye?

THIM ships an update every 2 months, and MiEye every 4 months. Most recently, THIM was updated on September 22, 2026 and MiEye on September 25, 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.*