# ShiftRhythm vs Mind Mate(TSL)

The clearest difference is in-app purchases: Mind Mate(TSL) at none against ShiftRhythm's 3. Mind Mate(TSL) also leads on iOS requirement (15.0 vs 17.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. ShiftRhythm sells 3 in-app purchases, starting at $2.99 per month. Mind Mate(TSL) asks for nothing beyond the download.

ShiftRhythm ships an update every 2 days, Mind Mate(TSL) every 3 days. The most recent releases landed on October 8, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | ShiftRhythm | Mind Mate(TSL) |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 3 days |
| Monetization | Free with in-app purchases | — |
| Size | 16 MB | 328 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Jaeyoun Kim](https://appshunter.io/developer/6772886377) | [Hyun Park](https://appshunter.io/developer/6804368773) |

## What reviewers say

### ShiftRhythm

[App page](https://appshunter.io/ios/app/shiftrhythm-shift-sleep/id6776639759)

This app helps night shift workers optimize their sleep and light exposure based on their unique roster. It provides personalized guidance for sleep, naps, and light timing to align with your body clock and manage sleep debt.

**Highlights:** Personalized sleep and nap timing, Light exposure guidance, Circadian rhythm dial, Sleep score and debt tracking, Roster presets and custom schedules, Apple Watch app and widgets

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $2.99 | per month |
| Yearly | $14.99 | per year |
| Lifetime | $39.99 | one-time |


### Mind Mate(TSL)

[App page](https://appshunter.io/ios/app/mind-matetsl/id6804716105)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ShiftRhythm free?

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

### Is Mind Mate(TSL) free?

Mind Mate(TSL) is free to download, with no in-app purchases.

### Do ShiftRhythm or Mind Mate(TSL) have ads?

Neither ShiftRhythm nor Mind Mate(TSL) shows ads.

### Which is updated more often, ShiftRhythm or Mind Mate(TSL)?

ShiftRhythm ships an update every 2 days, and Mind Mate(TSL) every 3 days. Most recently, ShiftRhythm was updated on October 8, 2026 and Mind Mate(TSL) on September 29, 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.*