# Classpublishing vs Online A Big

The clearest difference is in-app purchases: Classpublishing at none against Online A Big's 8. Online A Big's advantage is update cadence (every 4 weeks vs every 12 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Online A Big sells 5 one-off in-app purchases. Classpublishing asks for nothing beyond the download.

Classpublishing ships an update every 12 months, Online A Big every 4 weeks. The most recent releases landed on October 9, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Classpublishing | Online A Big |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/classpublishing/id725505888/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 80.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 12 months | **Every 4 weeks** |
| Monetization | Free | — |
| Size | 186 MB | 31 MB |
| Requires iOS | **14.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 4+ |
| Developer | [Chanon Yaklai](https://appshunter.io/developer/725505891) | [COURSE SQUARE COMPANY LIMITED](https://appshunter.io/developer/1131668582) |

## What reviewers say

### Classpublishing

[App page](https://appshunter.io/ios/app/classpublishing/id725505888)

Experience the Ramayana epic through augmented reality. Interact with characters like Thotsakan and Hanuman, take photos with them, and embark on interactive adventures.

**Highlights:** Augmented reality experiences, Interact with Ramayana characters, Take photos with characters, Interactive adventures, Educational content

**Features:** macOS Compatibility

**In-app purchases:** none


### Online A Big

[App page](https://appshunter.io/ios/app/online-a-big/id1493494981)

**Features:** macOS Compatibility

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ตะลุยโจทย์เคมี 9 วิชาสามัญ | $84.99 | one-time |
| ตะลุยโจทย์เคมี PAT2 | $84.99 | one-time |
| ตะลุยโจทย์เคมี 9 วิชาสามัญ | $89.99 | one-time |
| Org. Chem 1 เคมีมหาวิทยาลัย | $199.99 | one-time |
| Org. Chem 2 เคมีมหาวิทยาลัย | $199.99 | one-time |


## Frequently asked questions

### Is Classpublishing free?

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

### Is Online A Big free?

Online A Big is free to download, with in-app purchases available.

### Do Classpublishing or Online A Big have ads?

Neither Classpublishing nor Online A Big shows ads.

### Which is updated more often, Classpublishing or Online A Big?

Classpublishing ships an update every 12 months, and Online A Big every 4 weeks. Most recently, Classpublishing was updated on October 9, 2026 and Online A Big on October 16, 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.*