# E vs CodeMath

The clearest difference is in-app purchases: E at none against CodeMath's 1. E also leads on iOS requirement (9.0 vs 15.1). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. CodeMath sells 1 one-off in-app purchase. E asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 2 weeks. The most recent releases landed on October 8, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | E | CodeMath |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.7 (3 ratings)](https://appshunter.io/ios/app/codemath-learn-math-together/id6448272564/reviews)** |
| Number of ratings | — | **3** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | Every 2 weeks |
| Monetization | — | Free |
| Size | 30 MB | 67 MB |
| Requires iOS | **9.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Vingroup Joint Stock Company (Vingroup JSC)](https://appshunter.io/developer/1187514814) | [Nguyen Van Huu](https://appshunter.io/developer/1649904386) |

## What reviewers say

### E

[App page](https://appshunter.io/ios/app/e-voucher/id6444788953)

**Features:** macOS Compatibility

**In-app purchases:** none


### CodeMath

[App page](https://appshunter.io/ios/app/codemath-learn-math-together/id6448272564)

This app offers free online Olympic Math courses for elementary students, covering various international competitions. It features engaging video lessons, practice tests, and exam resources with solutions. Students can interact with teachers and parents can track progress.

**Highlights:** Olympic Math courses for grades 1-5, Video lessons and practice questions, Comprehensive practice tests, Exam resources and solutions, Teacher interaction and support, Parental progress tracking

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Luyện thi Toán ASMO khối 1 | $22.99 | one-time |


## Frequently asked questions

### Is E free?

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

### Is CodeMath free?

CodeMath is free to download, with in-app purchases available.

### Do E or CodeMath have ads?

Neither E nor CodeMath shows ads.

### Which is updated more often, E or CodeMath?

E ships an update every 2 weeks, and CodeMath every 2 weeks. Most recently, E was updated on October 8, 2026 and CodeMath on September 30, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*