# Khmer Physic Formulas vs Sovannaphumi App

The clearest difference is ads: Sovannaphumi App at none against Khmer Physic Formulas's shown. Sovannaphumi App also leads on update cadence (every 11 days vs every 19 months) and monetization model (free vs ad-supported). Khmer Physic Formulas's advantage is iOS requirement (12.0 vs 15.6). On price, rating, review sentiment and ratings volume 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 — 4.4 for Khmer Physic Formulas against 4.5 for Sovannaphumi App. Both are backed by a comparable volume of ratings — 15 and 35 respectively. Written reviews split almost evenly too, at 50% and 50% positive.

Khmer Physic Formulas ships an update every 19 months, Sovannaphumi App every 11 days. The most recent releases landed on September 21, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | Khmer Physic Formulas | Sovannaphumi App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (15 ratings)](https://appshunter.io/ios/app/khmer-physic-formulas/id1076144702/reviews) | **[4.5 (35 ratings)](https://appshunter.io/ios/app/sovannaphumi-app/id6477804006/reviews)** |
| Number of ratings | 15 | **35** |
| Positive reviews | 50.0% of reviews | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 19 months | **Every 11 days** |
| Monetization | Ad-supported | **Free** |
| Size | 62 MB | 100 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Cheab Kunthea](https://appshunter.io/developer/1073035288) | [Panha Sa](https://appshunter.io/developer/1534830463) |

## 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


### Sovannaphumi App

[App page](https://appshunter.io/ios/app/sovannaphumi-app/id6477804006)

This app connects parents to their child's school, providing real-time updates on results, attendance, and school news. Parents can also manage payments, enroll in classes, and access online learning resources.

**Highlights:** Child's profile access, Exam result notifications, Attendance alerts, School announcements, Online learning library, Class enrollment, Payment tracking

**Features:** macOS Compatibility, 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 Sovannaphumi App free?

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

### Which has better reviews, Khmer Physic Formulas or Sovannaphumi App?

Sovannaphumi App is rated higher. Khmer Physic Formulas averages 4.4 out of 5 from 15 ratings, while Sovannaphumi App averages 4.5 from 35 ratings.

### Do Khmer Physic Formulas or Sovannaphumi App have ads?

Khmer Physic Formulas shows ads; Sovannaphumi App does not.

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

Khmer Physic Formulas ships an update every 19 months, and Sovannaphumi App every 11 days. Most recently, Khmer Physic Formulas was updated on September 21, 2026 and Sovannaphumi App on September 22, 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.*