# eye Security vs CalAlarm Date Alarm Shift Work

The clearest difference is in-app purchases: eye Security at none against CalAlarm Date Alarm Shift Work's 3. eye Security also leads on iOS requirement (6.0 vs 17.0). CalAlarm Date Alarm Shift Work's advantage is update cadence (every 4 days vs every 5 weeks). On price, ads and device support there is nothing between them.

Both are free to download. CalAlarm Date Alarm Shift Work sells 3 in-app purchases, starting at $0.99 per month. eye Security asks for nothing beyond the download.

eye Security ships an update every 5 weeks, CalAlarm Date Alarm Shift Work every 4 days. The most recent releases landed on October 3, 2026 and October 23, 2026 respectively.

## The numbers

| Metric | eye Security | CalAlarm Date Alarm Shift Work |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.0 (2 ratings)](https://appshunter.io/ios/app/calalarm-date-alarm-shift-work/id6789426037/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 4 days** |
| Monetization | — | Freemium |
| Size | 24 MB | 22 MB |
| Requires iOS | **6.0** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [TRANWO TECHNOLOGY CORP.](https://appshunter.io/developer/595251459) | [liang zhenying](https://appshunter.io/developer/987036715) |

## What reviewers say

### eye Security

[App page](https://appshunter.io/ios/app/eye-security/id951597002)

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

**In-app purchases:** none


### CalAlarm Date Alarm Shift Work

[App page](https://appshunter.io/ios/app/calalarm-date-alarm-shift-work/id6789426037)

This app allows users to set alarms for specific, scattered dates, ideal for shift workers with irregular schedules. It rings even when the phone is on silent or in Do Not Disturb mode and offers features like custom ringtones and home screen widgets.

**Highlights:** Set alarms for specific, scattered dates, Rings in Silent & Do Not Disturb mode, Batch scheduling for entire months/years, Custom ringtones from Files app, Temporary alarms that self-delete, Home screen widgets for next alarm

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| monthly | $0.99 | per month |
| quarterly | $1.99 | per 3 months |
| yearly | $5.99 | per year |


## Frequently asked questions

### Is eye Security free?

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

### Is CalAlarm Date Alarm Shift Work free?

CalAlarm Date Alarm Shift Work is free to download, with in-app purchases available.

### Do eye Security or CalAlarm Date Alarm Shift Work have ads?

Neither eye Security nor CalAlarm Date Alarm Shift Work shows ads.

### Which is updated more often, eye Security or CalAlarm Date Alarm Shift Work?

eye Security ships an update every 5 weeks, and CalAlarm Date Alarm Shift Work every 4 days. Most recently, eye Security was updated on October 3, 2026 and CalAlarm Date Alarm Shift Work on October 23, 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.*