# Khmer Math Formulas vs E

The clearest difference is review sentiment: Khmer Math Formulas at 100% against E's 33%. Khmer Math Formulas also leads on rating (4.3 vs 3.9) and iOS requirement (12.0 vs 15.0). E's advantage is ads (none vs shown) and update cadence (monthly vs every 17 months). 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.

Khmer Math Formulas holds the better App Store score, 4.3 against 3.9. That said, the two scores are not equally well evidenced: E has 30 ratings behind it against 6, so its average is the more settled of the two. Written reviews point the same way: 100% of Khmer Math Formulas's written reviews are positive against 33% of E's.

Khmer Math Formulas ships an update every 17 months, E monthly. The most recent releases landed on October 5, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Khmer Math Formulas | E |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (6 ratings)](https://appshunter.io/ios/app/khmer-math-formulas/id1073035289/reviews)** | [3.9 (30 ratings)](https://appshunter.io/ios/app/e-school-cambodia/id1436282967/reviews) |
| Number of ratings | 6 | **30** |
| Positive reviews | **100.0% of reviews** | 33.3% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 17 months | **Monthly** |
| Monetization | Ad-supported | **Free** |
| Size | 39 MB | 302 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Cheab Kunthea](https://appshunter.io/developer/1073035288) | [E-SCHOOL CAMBODIA](https://appshunter.io/developer/1648216982) |

## What reviewers say

### Khmer Math Formulas

[App page](https://appshunter.io/ios/app/khmer-math-formulas/id1073035289)

Access a comprehensive collection of math formulas for grades 7-12, designed with a simple and user-friendly interface. This app serves as a valuable study assistant for students, making it easy to browse and find the formulas you need.

**Highlights:** Grade 7-12 math formulas, Simple user interface, Easy formula browsing, Study assistant, Useful materials

**Features:** macOS Compatibility

**In-app purchases:** none


### E

[App page](https://appshunter.io/ios/app/e-school-cambodia/id1436282967)

An online learning platform offering video lectures and tutorials for students in Cambodia, covering grades 1-12 and various exam preparations. It features expert teachers focused on student performance and aims to make learning efficient.

**Highlights:** Grade 1-12 curriculum, Bacc II exam preparation, Teacher Entrance exam prep, Health Science Entrance exam prep, Video course lectures, Expert teacher tutorials

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Khmer Math Formulas free?

Khmer Math Formulas is free to download, with no in-app purchases.

### Is E free?

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

### Which has better reviews, Khmer Math Formulas or E?

Khmer Math Formulas is rated higher. Khmer Math Formulas averages 4.3 out of 5 from 6 ratings, while E averages 3.9 from 30 ratings.

### Do Khmer Math Formulas or E have ads?

Khmer Math Formulas shows ads; E does not.

### Which is updated more often, Khmer Math Formulas or E?

Khmer Math Formulas ships an update every 17 months, and E monthly. Most recently, Khmer Math Formulas was updated on October 5, 2026 and E on October 7, 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.*