# ShiftRest vs GRAV

The clearest difference is device support: GRAV at 4 against ShiftRest's 2. On price, ads, in-app purchases and iOS requirement there is nothing between them.

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

## The numbers

| Metric | ShiftRest | GRAV |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Size | 48 MB | 79 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [ACKEIL TRESTAN SHERWOOD](https://appshunter.io/developer/1896734196) | [Mulia Rifai Aroyan](https://appshunter.io/developer/1541563313) |

## What reviewers say

### ShiftRest

[App page](https://appshunter.io/ios/app/shiftrest-shift-worker-sleep/id6770333179)

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

**In-app purchases:** none


### GRAV

[App page](https://appshunter.io/ios/app/grav-workout-tracker/id6813104635)

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

**In-app purchases:** none


## Frequently asked questions

### Is ShiftRest free?

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

### Is GRAV free?

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

### Do ShiftRest or GRAV have ads?

Neither ShiftRest nor GRAV 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.*