# Khmer Physic 11 vs Spring Education Center

The clearest difference is update cadence: Spring Education Center at every 2 weeks against Khmer Physic 11's every 7 months. Spring Education Center also leads on iOS requirement (12.0 vs 15.0). On price, ads, 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 11 ships an update every 7 months, Spring Education Center every 2 weeks. The most recent releases landed on November 3, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | Khmer Physic 11 | Spring Education Center |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 2 weeks** |
| Size | 49 MB | 76 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Puthea Khem](https://appshunter.io/developer/1471748857) | [khemra ly](https://appshunter.io/developer/1454093664) |

## What reviewers say

### Khmer Physic 11

[App page](https://appshunter.io/ios/app/khmer-physic-11/id1601088424)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Spring Education Center

[App page](https://appshunter.io/ios/app/spring-education-center/id6743618567)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Khmer Physic 11 free?

Khmer Physic 11 is free to download, with no in-app purchases.

### Is Spring Education Center free?

Spring Education Center is free to download, with no in-app purchases.

### Do Khmer Physic 11 or Spring Education Center have ads?

Neither Khmer Physic 11 nor Spring Education Center shows ads.

### Which is updated more often, Khmer Physic 11 or Spring Education Center?

Khmer Physic 11 ships an update every 7 months, and Spring Education Center every 2 weeks. Most recently, Khmer Physic 11 was updated on November 3, 2026 and Spring Education Center on November 8, 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.*