# CAN Studio vs OpenAlarm

The clearest difference is price: OpenAlarm at Free against CAN Studio's $59.99. OpenAlarm also leads on update cadence (every 8 days vs every 3 weeks). CAN Studio's advantage is device support (4 vs 1) and iOS requirement (17.0 vs 26.0). On ads and in-app purchases there is nothing between them.

OpenAlarm is free to download; CAN Studio costs $59.99 up front. Neither carries in-app purchases, so what you see is what you pay.

CAN Studio ships an update every 3 weeks, OpenAlarm every 8 days. The most recent releases landed on October 20, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | CAN Studio | OpenAlarm |
| --- | --- | --- |
| Price | $59.99 | **Free** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 8 days** |
| Size | 2 MB | 104 MB |
| Requires iOS | **17.0** | 26.0 |
| Devices | **iPhone, iPad, Mac, Vision Pro** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Fearless design, LLC](https://appshunter.io/developer/321056993) | [Daniel Gretzke](https://appshunter.io/developer/1879448130) |

## What reviewers say

### CAN Studio

[App page](https://appshunter.io/ios/app/can-studio/id6477373179)

**In-app purchases:** none


### OpenAlarm

[App page](https://appshunter.io/ios/app/openalarm/id6759548698)

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

**In-app purchases:** none


## Frequently asked questions

### Is CAN Studio free?

CAN Studio costs $59.99, with no in-app purchases.

### Is OpenAlarm free?

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

### Do CAN Studio or OpenAlarm have ads?

Neither CAN Studio nor OpenAlarm shows ads.

### Which is updated more often, CAN Studio or OpenAlarm?

CAN Studio ships an update every 3 weeks, and OpenAlarm every 8 days. Most recently, CAN Studio was updated on October 20, 2026 and OpenAlarm on October 14, 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.*