# ICOC vs RT Olson

The clearest difference is update cadence: ICOC at weekly against RT Olson's every 3 months. RT Olson's advantage is iOS requirement (13.0 vs 15.0). 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.

ICOC ships an update weekly, RT Olson every 3 months. The most recent releases landed on October 10, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | ICOC | RT Olson |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (38 ratings)](https://appshunter.io/ios/app/icoc/id1585486521/reviews)** | — |
| Number of ratings | **38** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Every 3 months |
| Monetization | Free | — |
| Size | 139 MB | 63 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Sergii Mytakii](https://appshunter.io/developer/1585486523) | [Nuve Home](https://appshunter.io/developer/1752266972) |

## What reviewers say

### ICOC

[App page](https://appshunter.io/ios/app/icoc/id1585486521)

Access Christian songs with chords and videos, foundational teachings, and Q&A sessions. This app provides all essential materials in one place, eliminating the need for physical literature.

**Highlights:** Christian songs with chords and videos, Basics of Christianity, Q&A section, Video teachings, Digital literature access

**In-app purchases:** none


### RT Olson

[App page](https://appshunter.io/ios/app/rt-olson/id6752553860)

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

**In-app purchases:** none


## Frequently asked questions

### Is ICOC free?

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

### Is RT Olson free?

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

### Do ICOC or RT Olson have ads?

Neither ICOC nor RT Olson shows ads.

### Which is updated more often, ICOC or RT Olson?

ICOC ships an update weekly, and RT Olson every 3 months. Most recently, ICOC was updated on October 10, 2026 and RT Olson on September 26, 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.*