# OnDot Alarm vs Shift Assistant

The clearest difference is update cadence: OnDot Alarm at every 5 days against Shift Assistant's every 4 weeks. Shift Assistant's advantage is iOS requirement (18.0 vs 26.2). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. OnDot Alarm sells 3 in-app purchases, starting at $0.99 per month and Shift Assistant sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

OnDot Alarm ships an update every 5 days, Shift Assistant every 4 weeks. The most recent releases landed on November 7, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | OnDot Alarm | Shift Assistant |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 46.2% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 4 weeks |
| Monetization | Freemium | — |
| Size | 19 MB | 7 MB |
| Requires iOS | 26.2 | **18.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [亚娟 秦](https://appshunter.io/developer/1539395142) | [志荣 杨](https://appshunter.io/developer/478654885) |

## What reviewers say

### OnDot Alarm

[App page](https://appshunter.io/ios/app/ondot-alarm-shift-and-holiday/id1609336401)

This app simplifies alarm scheduling for non-traditional work schedules, including rotating shifts and alternating weeks. It automatically accounts for public holidays and offers features like timers, stopwatches, and customizable widgets.

**Highlights:** Alternating and custom week cycles, Shift rotation scheduling (day, swing, night), Automatic public holiday skipping, Integrated timer, stopwatch, and world clock, Lock Screen and Dynamic Island widgets, Import custom alarm sounds (Pro)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Alarm Pro 月度订阅 | $0.99 | per month |
| Alarm Pro 年度订阅 | $1.99 | per year |
| Alarm Pro 终身版 | $4.99 | one-time |


### Shift Assistant

[App page](https://appshunter.io/ios/app/shift-assistant-any-shift/id6803098097)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Shift Assistant VIP | $1.99 | one-time |


## Frequently asked questions

### Is OnDot Alarm free?

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

### Is Shift Assistant free?

Shift Assistant is free to download, with in-app purchases available.

### Do OnDot Alarm or Shift Assistant have ads?

Neither OnDot Alarm nor Shift Assistant shows ads.

### Which is updated more often, OnDot Alarm or Shift Assistant?

OnDot Alarm ships an update every 5 days, and Shift Assistant every 4 weeks. Most recently, OnDot Alarm was updated on November 7, 2026 and Shift Assistant on November 6, 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.*