# 리크니 vs 챌린저스

The clearest difference is in-app purchases: 챌린저스 at none against 리크니's 1. 챌린저스 also leads on update cadence (every 2 days vs every 4 days) and iOS requirement (15.0 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. 리크니 sells 1 in-app purchase, starting at $5.99 per month. 챌린저스 asks for nothing beyond the download.

리크니 ships an update every 4 days, 챌린저스 every 2 days. The most recent releases landed on October 8, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | 리크니 | 챌린저스 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/id6791399202/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 days | **Every 2 days** |
| Monetization | — | Free |
| Size | 22 MB | 161 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 9+ |
| Developer | [hyeonho cho](https://appshunter.io/developer/6775910814) | [AtlasEdu](https://appshunter.io/developer/6825153850) |

## What reviewers say

### 리크니

[App page](https://appshunter.io/ios/app/ai/id6775910812)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro subscription | $5.99 | per month |


### 챌린저스

[App page](https://appshunter.io/ios/app/id6791399202)

Manage all aspects of your academic life, from assignments and tests to reviewing mistakes. This smart learning app helps students stay organized and track their progress effectively. Receive timely notifications for important updates and deadlines.

**Highlights:** Assignment management with deadline reminders, In-app problem solving with auto-save, Take tests and quizzes with instant results, Automatic incorrect answer notebook, Learning progress reports, Push notifications for updates

**In-app purchases:** none


## Frequently asked questions

### Is 리크니 free?

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

### Is 챌린저스 free?

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

### Do 리크니 or 챌린저스 have ads?

Neither 리크니 nor 챌린저스 shows ads.

### Which is updated more often, 리크니 or 챌린저스?

리크니 ships an update every 4 days, and 챌린저스 every 2 days. Most recently, 리크니 was updated on October 8, 2026 and 챌린저스 on October 24, 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.*