# ShiftRhythm vs ShiftRest

The clearest difference is device support: ShiftRhythm at 3 against ShiftRest's 1. On price, ads, in-app purchases and iOS requirement there is nothing between them.

Both are free to download. ShiftRhythm sells 3 in-app purchases, starting at $2.99 per month and ShiftRest sells 3 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | ShiftRhythm | ShiftRest |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 days | — |
| Monetization | Free with in-app purchases | — |
| Size | 16 MB | 50 MB |
| Requires iOS | 17.0 | **16.4** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [Jaeyoun Kim](https://appshunter.io/developer/6772886377) | [kazuki Okamoto](https://appshunter.io/developer/1893666651) |

## 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 |


### ShiftRest

[App page](https://appshunter.io/ios/app/shiftrest-night-shift-sleep/id6787724243)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ShiftRest Pro (Monthly) | $1.99 | per month |
| ShiftRest Pro (Yearly) | $11.99 | per year |
| ShiftRest Pro (Lifetime) | $24.99 | one-time |


## Frequently asked questions

### Is ShiftRhythm free?

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

### Is ShiftRest free?

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

### Do ShiftRhythm or ShiftRest have ads?

Neither ShiftRhythm nor ShiftRest shows ads.

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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.*