# Khmer Physic Formulas vs E

The clearest difference is rating: Khmer Physic Formulas at 4.4 against E's 3.9. Khmer Physic Formulas also leads on review sentiment (50% vs 33%) and iOS requirement (12.0 vs 15.0). E's advantage is ads (none vs shown) and update cadence (monthly vs every 19 months). On price, ratings volume, 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 Physic Formulas holds the better App Store score, 4.4 against 3.9. Both are backed by a comparable volume of ratings — 15 and 30 respectively. Written reviews point the same way: 50% of Khmer Physic Formulas's written reviews are positive against 33% of E's.

Khmer Physic Formulas ships an update every 19 months, E monthly. The most recent releases landed on September 21, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | Khmer Physic Formulas | E |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (15 ratings)](https://appshunter.io/ios/app/khmer-physic-formulas/id1076144702/reviews)** | [3.9 (30 ratings)](https://appshunter.io/ios/app/e-school-cambodia/id1436282967/reviews) |
| Number of ratings | 15 | **30** |
| Positive reviews | **50.0% of reviews** | 33.3% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 19 months | **Monthly** |
| Monetization | Ad-supported | **Free** |
| Size | 62 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 Physic Formulas

[App page](https://appshunter.io/ios/app/khmer-physic-formulas/id1076144702)

Access a comprehensive collection of physics formulas for various grade levels and specialized fields. This app offers a simple, fast, and smooth user interface for easy formula lookup.

**Highlights:** Physics formulas for grades 7-12, Engineering physics formulas, Basic physics formulas, SI Units and constants, Formula symbol reference, Simple and fast UI

**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 Physic Formulas free?

Khmer Physic 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 Physic Formulas or E?

Khmer Physic Formulas is rated higher. Khmer Physic Formulas averages 4.4 out of 5 from 15 ratings, while E averages 3.9 from 30 ratings.

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

Khmer Physic Formulas shows ads; E does not.

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

Khmer Physic Formulas ships an update every 19 months, and E monthly. Most recently, Khmer Physic Formulas was updated on September 21, 2026 and E on September 23, 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.*