# QUBE(큐브) vs Solve

The clearest difference is in-app purchases: Solve at none against QUBE(큐브)'s 2. Solve also leads on review sentiment (86% vs 58%) and update cadence (every 4 days vs every 3 weeks). QUBE(큐브)'s advantage is ads (none vs shown) and iOS requirement (15.6 vs 17.6). On price and device support there is nothing between them.

Both are free to download. QUBE(큐브) sells 2 one-off in-app purchases. Solve asks for nothing beyond the download.

QUBE(큐브) ships an update every 3 weeks, Solve every 4 days. The most recent releases landed on September 21, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | QUBE(큐브) | Solve |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/qube/id1377555791/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 58.5% of reviews | **85.7% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 3 weeks | **Every 4 days** |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 42 MB | 154 MB |
| Requires iOS | **15.6** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [MegaStudyEdu](https://appshunter.io/developer/1050903129) | [Testbank Inc.](https://appshunter.io/developer/1489897656) |

## What reviewers say

### QUBE(큐브)

[App page](https://appshunter.io/ios/app/qube/id1377555791)

Get instant help with homework from verified university students. Snap a photo of any question for quick solutions or ask detailed questions for personalized guidance. Access study tips and college admissions advice.

**Highlights:** Photo search for math and science problems, Ask questions to university student tutors, Get step-by-step solutions, 1:1 online tutoring sessions, Study tips and college admissions advice, 24/7 question and answer service

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1Q | $0.99 | one-time |
| 2Q | $0.99 | one-time |


### 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 QUBE(큐브) free?

QUBE(큐브) is free to download, with in-app purchases available.

### Is Solve free?

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

### Do QUBE(큐브) or Solve have ads?

Solve shows ads; QUBE(큐브) does not.

### Which is updated more often, QUBE(큐브) or Solve?

QUBE(큐브) ships an update every 3 weeks, and Solve every 4 days. Most recently, QUBE(큐브) was updated on September 21, 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.*