# Khmer Physic Formulas vs Khmer Math 12

The clearest difference is ads: Khmer Math 12 at none against Khmer Physic Formulas's shown. Khmer Math 12 also leads on update cadence (monthly vs every 19 months). Khmer Physic Formulas's advantage is iOS requirement (12.0 vs 15.0). 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 Physic Formulas ships an update every 19 months, Khmer Math 12 monthly. The most recent releases landed on September 30, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | Khmer Physic Formulas | Khmer Math 12 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (15 ratings)](https://appshunter.io/ios/app/khmer-physic-formulas/id1076144702/reviews)** | — |
| Number of ratings | **15** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 19 months | **Monthly** |
| Monetization | Ad-supported | — |
| Size | 62 MB | 63 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) | [Puthea Khem](https://appshunter.io/developer/1471748857) |

## 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


### Khmer Math 12

[App page](https://appshunter.io/ios/app/khmer-math-12/id1471748858)

**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 Khmer Math 12 free?

Khmer Math 12 is free to download, with no in-app purchases.

### Do Khmer Physic Formulas or Khmer Math 12 have ads?

Khmer Physic Formulas shows ads; Khmer Math 12 does not.

### Which is updated more often, Khmer Physic Formulas or Khmer Math 12?

Khmer Physic Formulas ships an update every 19 months, and Khmer Math 12 monthly. Most recently, Khmer Physic Formulas was updated on September 30, 2026 and Khmer Math 12 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.*