# Khmer Physic Formulas vs Start Up Community Mobile

The clearest difference is ads: Start Up Community Mobile at none against Khmer Physic Formulas's shown. Start Up Community Mobile also leads on update cadence (every 11 days vs every 19 months). On price, in-app purchases, device support and iOS requirement 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, Start Up Community Mobile every 11 days. The most recent releases landed on October 21, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Khmer Physic Formulas | Start Up Community Mobile |
| --- | --- | --- |
| 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 | **Every 11 days** |
| Monetization | Ad-supported | — |
| Size | 62 MB | 7 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Cheab Kunthea](https://appshunter.io/developer/1073035288) | [chamroeun OU](https://appshunter.io/developer/1693053757) |

## 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


### Start Up Community Mobile

[App page](https://appshunter.io/ios/app/start-up-community-mobile/id6463780181)

**Features:** macOS Compatibility

**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 Start Up Community Mobile free?

Start Up Community Mobile is free to download, with no in-app purchases.

### Do Khmer Physic Formulas or Start Up Community Mobile have ads?

Khmer Physic Formulas shows ads; Start Up Community Mobile does not.

### Which is updated more often, Khmer Physic Formulas or Start Up Community Mobile?

Khmer Physic Formulas ships an update every 19 months, and Start Up Community Mobile every 11 days. Most recently, Khmer Physic Formulas was updated on October 21, 2026 and Start Up Community Mobile on October 25, 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.*