# apologetics.pro vs RedOne Engine

The clearest difference is update cadence: RedOne Engine at every 2 days against apologetics.pro's every 6 days. On price, ads, 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.

apologetics.pro ships an update every 6 days, RedOne Engine every 2 days. Both last shipped on October 31, 2026.

## The numbers

| Metric | apologetics.pro | RedOne Engine |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/apologeticspro/id6809562875/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 days | **Every 2 days** |
| Monetization | Free | — |
| Size | 42 MB | 44 MB |
| Requires iOS | 16.4 | 16.4 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 12+ | 4+ |
| Developer | [Cory Cline](https://appshunter.io/developer/6809562877) | [Emir Tufan](https://appshunter.io/developer/1854682439) |

## What reviewers say

### apologetics.pro

[App page](https://appshunter.io/ios/app/apologeticspro/id6809562875)

This app provides a comprehensive, offline library of evidence supporting the Christian faith. It offers detailed arguments for Christianity and examinations of other belief systems, with cited sources and responses to common objections. Users can search, save, and share content, and suggest corrections.

**Highlights:** 15 organized cases on faith and beliefs, Offline search of claims and evidence, Save and share content, Suggest corrections within the app, Support for large text and screen readers

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

**In-app purchases:** none


### RedOne Engine

[App page](https://appshunter.io/ios/app/redone-engine/id6813700514)

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

**In-app purchases:** none


## Frequently asked questions

### Is apologetics.pro free?

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

### Is RedOne Engine free?

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

### Do apologetics.pro or RedOne Engine have ads?

Neither apologetics.pro nor RedOne Engine shows ads.

### Which is updated more often, apologetics.pro or RedOne Engine?

apologetics.pro ships an update every 6 days, and RedOne Engine every 2 days. Most recently, apologetics.pro was updated on October 31, 2026 and RedOne Engine on October 31, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*