# Solve vs CEO 36

The clearest difference is ads: CEO 36 at none against Solve's shown. Solve's advantage is update cadence (every 3 days vs every 2 weeks). On price, in-app purchases, device support and iOS requirement there is nothing between them.

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

Solve ships an update every 3 days, CEO 36 every 2 weeks. The most recent releases landed on October 14, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Solve | CEO 36 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 86.4% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 3 days** | Every 2 weeks |
| Monetization | Ad-supported | — |
| Size | 208 MB | 127 MB |
| Requires iOS | 17.6 | **16.4** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [Testbank Inc.](https://appshunter.io/developer/1489897656) | [taeseong song](https://appshunter.io/developer/1885128551) |

## What reviewers say

### 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


### CEO 36

[App page](https://appshunter.io/ios/app/ceo-36/id6802898210)

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

**In-app purchases:** none


## Frequently asked questions

### Is Solve free?

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

### Is CEO 36 free?

CEO 36 is free to download, with no in-app purchases.

### Do Solve or CEO 36 have ads?

Solve shows ads; CEO 36 does not.

### Which is updated more often, Solve or CEO 36?

Solve ships an update every 3 days, and CEO 36 every 2 weeks. Most recently, Solve was updated on October 14, 2026 and CEO 36 on October 4, 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.*