# Protect Phone By Alarm vs Shadow Notes

The clearest difference is in-app purchases: Protect Phone By Alarm at none against Shadow Notes's 2. Protect Phone By Alarm also leads on update cadence (weekly vs every 2 months) and iOS requirement (15.0 vs 17.0). Shadow Notes's advantage is ads (none vs shown). On price and device support there is nothing between them.

Both are free to download. Shadow Notes sells 2 in-app purchases, starting at $0.99 per month. Protect Phone By Alarm asks for nothing beyond the download.

Protect Phone By Alarm ships an update weekly, Shadow Notes every 2 months. The most recent releases landed on November 4, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Protect Phone By Alarm | Shadow Notes |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/protect-phone-by-alarm/id6720712688/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Weekly** | Every 2 months |
| Monetization | Ad-supported | — |
| Size | 51 MB | 44 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [EGLIFE VIETNAM JOINT STOCK COMPANY](https://appshunter.io/developer/964705967) | [Karamanets Oleksandr](https://appshunter.io/developer/1713515588) |

## What reviewers say

### Protect Phone By Alarm

[App page](https://appshunter.io/ios/app/protect-phone-by-alarm/id6720712688)

Safeguard your device with an audible and visual alarm that activates when your phone is touched. Choose from various loud alarm sounds and customize volume and flash settings for enhanced security.

**Highlights:** Touch detection alarm, Variety of alarm sounds, Flash alerts, Math challenge to deactivate, Customizable sound and flash

**Features:** macOS Compatibility

**In-app purchases:** none


### Shadow Notes

[App page](https://appshunter.io/ios/app/shadow-notes/id6740258994)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $0.99 | per month |
| Annually | $9.99 | per year |


## Frequently asked questions

### Is Protect Phone By Alarm free?

Protect Phone By Alarm is free to download, with no in-app purchases.

### Is Shadow Notes free?

Shadow Notes is free to download, with in-app purchases available.

### Do Protect Phone By Alarm or Shadow Notes have ads?

Protect Phone By Alarm shows ads; Shadow Notes does not.

### Which is updated more often, Protect Phone By Alarm or Shadow Notes?

Protect Phone By Alarm ships an update weekly, and Shadow Notes every 2 months. Most recently, Protect Phone By Alarm was updated on November 4, 2026 and Shadow Notes on October 30, 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.*