# 비상교육 비상교재 vs Solve

The clearest difference is review sentiment: Solve at 86% against 비상교육 비상교재's 40%. Solve also leads on update cadence (every 4 days vs every 41 months). 비상교육 비상교재's advantage is ads (none vs shown) and monetization model (free vs ad-supported). On price, 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.

비상교육 비상교재 ships an update every 41 months, Solve every 4 days. The most recent releases landed on September 10, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | 비상교육 비상교재 | Solve |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 40.0% of reviews | **85.7% of reviews** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 41 months | **Every 4 days** |
| Monetization | **Free** | Ad-supported |
| Size | 18 MB | 154 MB |
| Requires iOS | **11.4** | 17.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [VISANG EDUCATION INC](https://appshunter.io/developer/992780061) | [Testbank Inc.](https://appshunter.io/developer/1489897656) |

## What reviewers say

### 비상교육 비상교재

[App page](https://appshunter.io/ios/app/id1481744652)

Access a wide range of educational materials and services for elementary, middle, and high school subjects. Discover textbooks, download related learning resources, and participate in events and promotions.

**Highlights:** Textbook and material information, Textbook preview, Personalized scrapbooking, Search history, Enhanced search functionality, Event participation, Notification service

**Features:** macOS Compatibility

**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 비상교육 비상교재 free?

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

### Is Solve free?

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

### Do 비상교육 비상교재 or Solve have ads?

Solve shows ads; 비상교육 비상교재 does not.

### Which is updated more often, 비상교육 비상교재 or Solve?

비상교육 비상교재 ships an update every 41 months, and Solve every 4 days. Most recently, 비상교육 비상교재 was updated on September 10, 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.*