# onlyAlarm vs Drift Sleep Timer

The clearest difference is in-app purchases: onlyAlarm at none against Drift Sleep Timer's 1. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Drift Sleep Timer sells 1 one-off in-app purchase. onlyAlarm asks for nothing beyond the download.

## The numbers

| Metric | onlyAlarm | Drift Sleep Timer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | — |
| Size | 1 MB | 96 MB |
| Requires iOS | 16.6 | **15.1** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [景洙 李](https://appshunter.io/developer/1762531319) | [Delacure Consulting Co., LLC](https://appshunter.io/developer/6795675362) |

## What reviewers say

### onlyAlarm

[App page](https://appshunter.io/ios/app/onlyalarm/id6740790608)

**Features:** macOS Compatibility

**In-app purchases:** none


### Drift Sleep Timer

[App page](https://appshunter.io/ios/app/drift-sleep-timer/id6797302438)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock | $0.99 | one-time |


## Frequently asked questions

### Is onlyAlarm free?

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

### Is Drift Sleep Timer free?

Drift Sleep Timer is free to download, with in-app purchases available.

### Do onlyAlarm or Drift Sleep Timer have ads?

Neither onlyAlarm nor Drift Sleep Timer shows ads.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*