# ICAHK vs Relang

The clearest difference is in-app purchases: ICAHK at none against Relang's 1. ICAHK also leads on iOS requirement (13.4 vs 18.0). Relang's advantage is update cadence (every 4 days vs every 3 months). On price, ads and device support there is nothing between them.

Both are free to download. Relang sells 1 in-app purchase, starting at $2.99 per month. ICAHK asks for nothing beyond the download.

ICAHK ships an update every 3 months, Relang every 4 days. The most recent releases landed on November 3, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | ICAHK | Relang |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 4 days** |
| Size | 46 MB | 3 MB |
| Requires iOS | **13.4** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [International Christian Assembly of God, Ltd.](https://appshunter.io/developer/1340092758) | [Vladislav Bogucharov](https://appshunter.io/developer/1594529683) |

## What reviewers say

### ICAHK

[App page](https://appshunter.io/ios/app/icahk/id1459594920)

**In-app purchases:** none


### Relang

[App page](https://appshunter.io/ios/app/relang-language-flashcards/id6759907933)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full access for one month | $2.99 | per month |


## Frequently asked questions

### Is ICAHK free?

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

### Is Relang free?

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

### Do ICAHK or Relang have ads?

Neither ICAHK nor Relang shows ads.

### Which is updated more often, ICAHK or Relang?

ICAHK ships an update every 3 months, and Relang every 4 days. Most recently, ICAHK was updated on November 3, 2026 and Relang on October 25, 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.*