# OK Alarm vs LinearMaster

The clearest difference is in-app purchases: LinearMaster at none against OK Alarm's 5. OK Alarm's advantage is iOS requirement (13.0 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. OK Alarm sells 5 in-app purchases, starting at $0.99 per month. LinearMaster asks for nothing beyond the download.

## The numbers

| Metric | OK Alarm | LinearMaster |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (71 ratings)](https://appshunter.io/ios/app/ok-alarm-holiday-and-shift-work/id1477960153/reviews)** | — |
| Number of ratings | **71** | — |
| Positive reviews | 88.1% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 3 weeks | — |
| Monetization | Free with in-app purchases | — |
| Size | 79 MB | 6 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [志聪 黄](https://appshunter.io/developer/1455588393) | [逸飞 姚](https://appshunter.io/developer/1832651191) |

## What reviewers say

### OK Alarm

[App page](https://appshunter.io/ios/app/ok-alarm-holiday-and-shift-work/id1477960153)

This app offers a versatile alarm system designed for complex schedules, including shift work, holidays, and recurring tasks. It provides customizable alerts, time reporting, and reminders for various personal and professional needs.

**Highlights:** Shift work scheduling, Holiday and specific date alarms, Monthly and yearly recurring reminders, Customizable alarm tones, Snooze and silence options, Water and medication reminders, Widget support

**Features:** Vision Pro support

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $0.99 | per month |
| Pro Yearly | $6.99 | per year |
| Skip alarm clocks | $6.99 | one-time |
| Schedule-Rest | $6.99 | one-time |
| Remove Ads permanently | $14.99 | one-time |


### LinearMaster

[App page](https://appshunter.io/ios/app/linearmaster/id6797800216)

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

**In-app purchases:** none


## Frequently asked questions

### Is OK Alarm free?

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

### Is LinearMaster free?

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

### Do OK Alarm or LinearMaster have ads?

Both OK Alarm and LinearMaster show 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.*