# iAlarm Plus vs DeltinOne

The clearest difference is update cadence: DeltinOne at every 4 days against iAlarm Plus's every 6 weeks. iAlarm Plus's advantage is iOS requirement (8.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

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

iAlarm Plus ships an update every 6 weeks, DeltinOne every 4 days. The most recent releases landed on September 20, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | iAlarm Plus | DeltinOne |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 4 days** |
| Size | 14 MB | 36 MB |
| Requires iOS | **8.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [春辉 麻](https://appshunter.io/developer/1020525759) | [Delta Corp Limited](https://appshunter.io/developer/1806252812) |

## What reviewers say

### iAlarm Plus

[App page](https://appshunter.io/ios/app/ialarm-plus/id1242660649)

**Features:** macOS Compatibility

**In-app purchases:** none


### DeltinOne

[App page](https://appshunter.io/ios/app/deltinone/id6744139448)

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

**In-app purchases:** none


## Frequently asked questions

### Is iAlarm Plus free?

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

### Is DeltinOne free?

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

### Do iAlarm Plus or DeltinOne have ads?

Neither iAlarm Plus nor DeltinOne shows ads.

### Which is updated more often, iAlarm Plus or DeltinOne?

iAlarm Plus ships an update every 6 weeks, and DeltinOne every 4 days. Most recently, iAlarm Plus was updated on September 20, 2026 and DeltinOne on October 25, 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.*