# Prayer Master vs RealtimeDataCollector App/Web

The clearest difference is ads: Prayer Master at none against RealtimeDataCollector App/Web's shown. Prayer Master also leads on update cadence (every 3 weeks vs every 2 months) and iOS requirement (8.0 vs 15.0). On price, in-app purchases and device support 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, RealtimeDataCollector App/Web every 2 months. Both last shipped on November 7, 2026.

## The numbers

| Metric | Prayer Master | RealtimeDataCollector App/Web |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Size | 57 MB | 20 MB |
| Requires iOS | **8.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Greatcallie International Ltd](https://appshunter.io/developer/1144186123) | [Usha Mehta](https://appshunter.io/developer/1523974803) |

## What reviewers say

### Prayer Master

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

**Features:** macOS Compatibility

**In-app purchases:** none


### RealtimeDataCollector App/Web

[App page](https://appshunter.io/ios/app/realtimedatacollector-appweb/id1522878498)

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

**In-app purchases:** none


## Frequently asked questions

### Is Prayer Master free?

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

### Is RealtimeDataCollector App/Web free?

RealtimeDataCollector App/Web is free to download, with no in-app purchases.

### Do Prayer Master or RealtimeDataCollector App/Web have ads?

RealtimeDataCollector App/Web shows ads; Prayer Master does not.

### Which is updated more often, Prayer Master or RealtimeDataCollector App/Web?

Prayer Master ships an update every 3 weeks, and RealtimeDataCollector App/Web every 2 months. Most recently, Prayer Master was updated on November 7, 2026 and RealtimeDataCollector App/Web on November 7, 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.*