# AnchorShift vs Shiftrest

The clearest difference is ads: Shiftrest at none against AnchorShift's shown. AnchorShift's advantage is update cadence (every 5 days vs every 2 weeks) and device support (3 vs 1). On price, in-app purchases and iOS requirement there is nothing between them.

Both are free to download. AnchorShift sells 2 in-app purchases, starting at $4.99 per month and Shiftrest sells 3 in-app purchases, starting at $1.99 per 7 days. Whichever you choose, the download price is not the number that matters.

AnchorShift ships an update every 5 days, Shiftrest every 2 weeks. Both last shipped on October 28, 2026.

## The numbers

| Metric | AnchorShift | Shiftrest |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 5 days** | Every 2 weeks |
| Size | 53 MB | 14 MB |
| Requires iOS | **15.1** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Jong Bin Lee](https://appshunter.io/developer/1856666874) | [EMRE KEP](https://appshunter.io/developer/1881732853) |

## What reviewers say

### AnchorShift

[App page](https://appshunter.io/ios/app/anchorshift-night-shift-coach/id6755840804)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Pro | $4.99 | per month |
| Annual Pro | $29.99 | per year |


### Shiftrest

[App page](https://appshunter.io/ios/app/shiftrest-shift-sleep-planner/id6760971127)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $1.99 | per 7 days |
| Monthly | $3.99 | per month |
| Yearly | $24.99 | per year |


## Frequently asked questions

### Is AnchorShift free?

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

### Is Shiftrest free?

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

### Do AnchorShift or Shiftrest have ads?

AnchorShift shows ads; Shiftrest does not.

### Which is updated more often, AnchorShift or Shiftrest?

AnchorShift ships an update every 5 days, and Shiftrest every 2 weeks. Most recently, AnchorShift was updated on October 28, 2026 and Shiftrest on October 28, 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.*