# 올클 vs Solve

The clearest difference is update cadence: Solve at every 4 days against 올클's weekly. 올클's advantage is review sentiment (94% vs 86%) and iOS requirement (15.0 vs 17.6). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

올클 ships an update weekly, Solve every 4 days. Both last shipped on September 22, 2026.

## The numbers

| Metric | 올클 | Solve |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (34 ratings)](https://appshunter.io/ios/app/id1598278474/reviews)** | — |
| Number of ratings | **34** | — |
| Positive reviews | **94.1% of reviews** | 85.7% of reviews |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Weekly | **Every 4 days** |
| Monetization | Ad-supported | Ad-supported |
| Size | 94 MB | 154 MB |
| Requires iOS | **15.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [모트모트](https://appshunter.io/developer/1490263044) | [Testbank Inc.](https://appshunter.io/developer/1489897656) |

## What reviewers say

### 올클

[App page](https://appshunter.io/ios/app/id1598278474)

This app helps users manage their study time, tasks, and goals with features like a study timer, to-do list, and challenges. Earn in-app currency by studying to shop for productivity items. It also includes a vocabulary builder, diary, and motivational quotes.

**Highlights:** Study timer with app blocking, Simple to-do list management, Routine and challenge certification, Study group creation and communication, Vocabulary quizzes and review, Diary with topic suggestions, Motivational quotes and content

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

**In-app purchases:** none


### Solve

[App page](https://appshunter.io/ios/app/solve-study-notes/id1629592780)

This app offers free past exam papers for various subjects and allows users to access popular workbooks digitally. It features automatic grading and integrated note-taking for efficient studying, eliminating the need to flip between books and answer keys.

**Highlights:** Free past exam papers, Digital workbooks, Automatic grading, Integrated note-taking, Problem and solution on one screen, iPad and Apple Pencil support

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 올클 free?

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

### Is Solve free?

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

### Do 올클 or Solve have ads?

Both 올클 and Solve show ads.

### Which is updated more often, 올클 or Solve?

올클 ships an update weekly, and Solve every 4 days. Most recently, 올클 was updated on September 22, 2026 and Solve on September 22, 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.*