# 비상교육 중고등 비바샘 vs Solve

The clearest difference is review sentiment: Solve at 86% against 비상교육 중고등 비바샘's 4%. Solve also leads on update cadence (every 4 days vs every 3 months). 비상교육 중고등 비바샘's advantage is ads (none vs shown) and iOS requirement (13.0 vs 17.6). On price, in-app purchases, monetization model 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 중고등 비바샘 ships an update every 3 months, Solve every 4 days. The most recent releases landed on September 24, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | 비상교육 중고등 비바샘 | Solve |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 4.2% of reviews | **85.7% of reviews** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 3 months | **Every 4 days** |
| Monetization | Ad-supported | Ad-supported |
| Size | 11 MB | 154 MB |
| Requires iOS | **13.0** | 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 중고등 비바샘

[App page](https://appshunter.io/ios/app/id1445530612)

This app provides middle and high school teachers with extensive teaching resources, including lesson materials, PPTs, and assessment tools. It offers personalized features like setting favorite textbooks and syncing materials across devices for efficient lesson preparation.

**Highlights:** 300,000+ free lesson materials, Smart textbook and PPT features, Personalized textbook settings, PC and mobile material syncing, Teacher events and cultural programs, Downloadable lesson resources

**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 중고등 비바샘 free?

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

### Is Solve free?

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

### Do 비상교육 중고등 비바샘 or Solve have ads?

Solve shows ads; 비상교육 중고등 비바샘 does not.

### Which is updated more often, 비상교육 중고등 비바샘 or Solve?

비상교육 중고등 비바샘 ships an update every 3 months, and Solve every 4 days. Most recently, 비상교육 중고등 비바샘 was updated on September 24, 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.*