# Sunsync vs Alarm Manager

The clearest difference is in-app purchases: Sunsync at none against Alarm Manager's 1. Sunsync also leads on ads (none vs shown) and iOS requirement (15.6 vs 18.4). Alarm Manager's advantage is update cadence (every 2 weeks vs every 4 months). On price and device support there is nothing between them.

Both are free to download. Alarm Manager sells 1 one-off in-app purchase. Sunsync asks for nothing beyond the download.

Sunsync ships an update every 4 months, Alarm Manager every 2 weeks. The most recent releases landed on October 6, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | Sunsync | Alarm Manager |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 4 months | **Every 2 weeks** |
| Size | 43 MB | 42 MB |
| Requires iOS | **15.6** | 18.4 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Clusia LLC](https://appshunter.io/developer/1585054563) | [Pawel Malyszczuk](https://appshunter.io/developer/1795333871) |

## What reviewers say

### Sunsync

[App page](https://appshunter.io/ios/app/sunsync/id6469003195)

**Features:** macOS Compatibility

**In-app purchases:** none


### Alarm Manager

[App page](https://appshunter.io/ios/app/alarm-manager-smart-wake-up/id6746055183)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Lifetime | $2.99 | one-time |


## Frequently asked questions

### Is Sunsync free?

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

### Is Alarm Manager free?

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

### Do Sunsync or Alarm Manager have ads?

Alarm Manager shows ads; Sunsync does not.

### Which is updated more often, Sunsync or Alarm Manager?

Sunsync ships an update every 4 months, and Alarm Manager every 2 weeks. Most recently, Sunsync was updated on October 6, 2026 and Alarm Manager on October 19, 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.*