# Olarm vs On

The clearest difference is price: Olarm at Free against On's $0.99. On's advantage is iOS requirement (13.0 vs 15.1). On ads, in-app purchases and device support there is nothing between them.

Olarm is free to download; On costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Olarm | On |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[3.9 (32 ratings)](https://appshunter.io/ios/app/olarm/id1008427663/reviews)** | — |
| Number of ratings | **32** | — |
| Positive reviews | 54.2% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | — |
| Monetization | Free | — |
| Size | 38 MB | 21 MB |
| Requires iOS | 15.1 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Olarm (Pty) Ltd](https://appshunter.io/developer/1641993829) | [Petrus Arnoldus van Zyl](https://appshunter.io/developer/1641254381) |

## What reviewers say

### Olarm

[App page](https://appshunter.io/ios/app/olarm/id1008427663)

Control and manage your home alarm system directly from your smartphone. This app allows you to arm, disarm, and monitor your system in real-time, receive notifications, and manage users. It also offers features like silent panic and gate control.

**Highlights:** Arm, Disarm, Sleep, Stay modes, Arming reminders, Real-time zone activity log, Silent Panic, Cancel Responder, User management, Gate and light control

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

**In-app purchases:** none


### On

[App page](https://appshunter.io/ios/app/on-shift/id6758109565)

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

**In-app purchases:** none


## Frequently asked questions

### Is Olarm free?

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

### Is On free?

On costs $0.99, with no in-app purchases.

### Do Olarm or On have ads?

Neither Olarm nor On 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.*