# Grade 12 vs NUBB Mobile

The clearest difference is ads: NUBB Mobile at none against Grade 12's shown. NUBB Mobile also leads on update cadence (monthly vs every 9 months). Grade 12's advantage is iOS requirement (13.0 vs 16.6). 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.

Grade 12 ships an update every 9 months, NUBB Mobile monthly. Both last shipped on November 4, 2026.

## The numbers

| Metric | Grade 12 | NUBB Mobile |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (5 ratings)](https://appshunter.io/ios/app/grade-12/id1180095032/reviews)** | — |
| Number of ratings | **5** | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 9 months | **Monthly** |
| Monetization | Ad-supported | — |
| Size | 128 MB | 58 MB |
| Requires iOS | **13.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Cheab Kunthea](https://appshunter.io/developer/1073035288) | [Titya Eng](https://appshunter.io/developer/1192549055) |

## What reviewers say

### Grade 12

[App page](https://appshunter.io/ios/app/grade-12/id1180095032)

This app provides comprehensive learning resources for Grade 12 students in Cambodia. It includes lessons, Q&A sections, formulas, and exercises across various subjects like Math, Physics, Chemistry, and Biology. The goal is to make studying more efficient and effective.

**Highlights:** Subject lessons, Question and answer sections, Subject formulas, Practice exercises, Grade 12 curriculum support

**Features:** macOS Compatibility

**In-app purchases:** none


### NUBB Mobile

[App page](https://appshunter.io/ios/app/nubb-mobile/id6739709981)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Grade 12 free?

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

### Is NUBB Mobile free?

NUBB Mobile is free to download, with no in-app purchases.

### Do Grade 12 or NUBB Mobile have ads?

Grade 12 shows ads; NUBB Mobile does not.

### Which is updated more often, Grade 12 or NUBB Mobile?

Grade 12 ships an update every 9 months, and NUBB Mobile monthly. Most recently, Grade 12 was updated on November 4, 2026 and NUBB Mobile on November 4, 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.*