# Khmer Physic Exercises vs Writing Explanation

The clearest difference is ads: Writing Explanation at none against Khmer Physic Exercises's shown. Writing Explanation also leads on update cadence (every 2 weeks vs every 33 months) and monetization model (free vs ad-supported). On price, rating, ratings volume and in-app purchases there is nothing between them.

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

On the App Store both sit at effectively the same score — 4.0 for Khmer Physic Exercises against 4.0 for Writing Explanation. Both are backed by a comparable volume of ratings — 4 and 3 respectively.

Khmer Physic Exercises ships an update every 33 months, Writing Explanation every 2 weeks. The most recent releases landed on June 10, 2026 and June 1, 2026 respectively.

## The numbers

| Metric | Khmer Physic Exercises | Writing Explanation |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (4 ratings)](https://appshunter.io/ios/app/khmer-physic-exercises/id1083754942/reviews) | [4.0 (3 ratings)](https://appshunter.io/ios/app/writing-explanation/id1458615232/reviews) |
| Number of ratings | **4** | 3 |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 33 months | **Every 2 weeks** |
| Monetization | Ad-supported | **Free** |
| Size | 61 MB | 77 MB |
| Requires iOS | 11.0 | 11.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Cheab Kunthea](https://appshunter.io/developer/1073035288) | [Phanna PANG](https://appshunter.io/developer/1458265412) |

## What reviewers say

### Khmer Physic Exercises

[App page](https://appshunter.io/ios/app/khmer-physic-exercises/id1083754942)

This app offers physics exercises for grades 11 and 12, including outstanding paper exams and topics like mechanics and thermodynamics. It features a simple and fast user interface for a smooth learning experience.

**Highlights:** Grade 11 physics exercises, Grade 12 physics exercises, Outstanding paper exams, Mechanics topics, Thermodynamics topics, Simple UI, Fast performance

**Features:** macOS Compatibility

**In-app purchases:** none


### Writing Explanation

[App page](https://appshunter.io/ios/app/writing-explanation/id1458615232)

This educational app provides a collection of essays designed to help students prepare for the Bac II Examination. Its user-friendly interface makes it easy to access and navigate study materials.

**Highlights:** Bac II Examination essay collection, Friendly user interface, Easy to use, iOS compatible

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Khmer Physic Exercises free?

Khmer Physic Exercises is free to download, with no in-app purchases.

### Is Writing Explanation free?

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

### Which has better reviews, Khmer Physic Exercises or Writing Explanation?

Khmer Physic Exercises and Writing Explanation are both rated 4.0 out of 5 on the App Store, from 4 and 3 ratings respectively.

### Do Khmer Physic Exercises or Writing Explanation have ads?

Khmer Physic Exercises shows ads; Writing Explanation does not.

### Which is updated more often, Khmer Physic Exercises or Writing Explanation?

Khmer Physic Exercises ships an update every 33 months, and Writing Explanation every 2 weeks. Most recently, Khmer Physic Exercises was updated on June 10, 2026 and Writing Explanation on June 1, 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.*