# Prayer Master vs KeyBlock

The clearest difference is update cadence: Prayer Master at every 3 weeks against KeyBlock's every 6 weeks. Prayer Master also leads on device support (3 vs 1) and iOS requirement (8.0 vs 17.0). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Prayer Master ships an update every 3 weeks, KeyBlock every 6 weeks. The most recent releases landed on September 26, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Prayer Master | KeyBlock |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/keyblock/id6768969376/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 6 weeks |
| Monetization | — | Free |
| Size | 57 MB | 26 MB |
| Requires iOS | **8.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Greatcallie International Ltd](https://appshunter.io/developer/1144186123) | [KeyBlock Tech, LLC](https://appshunter.io/developer/1896619649) |

## What reviewers say

### Prayer Master

[App page](https://appshunter.io/ios/app/prayer-master/id1509338771)

**Features:** macOS Compatibility

**In-app purchases:** none


### KeyBlock

[App page](https://appshunter.io/ios/app/keyblock/id6768969376)

This app uses NFC stickers to physically block distracting applications on your phone, helping you regain focus without relying on willpower. Simply tap your phone to a sticker to activate blocking modes like Deep Work or Sleep, and tap again to resume access.

**Highlights:** Block distracting apps with NFC tap, Four built-in focus modes, Dumb Phone mode for essentials, Activity dashboard for progress tracking, Discover page with focus tools

**In-app purchases:** none


## Frequently asked questions

### Is Prayer Master free?

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

### Is KeyBlock free?

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

### Do Prayer Master or KeyBlock have ads?

Neither Prayer Master nor KeyBlock shows ads.

### Which is updated more often, Prayer Master or KeyBlock?

Prayer Master ships an update every 3 weeks, and KeyBlock every 6 weeks. Most recently, Prayer Master was updated on September 26, 2026 and KeyBlock on September 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.*