# Onllearning 4.0 vs 3 Gốc

The clearest difference is in-app purchases: Onllearning 4.0 at none against 3 Gốc's 10. Onllearning 4.0 also leads on update cadence (every 2 weeks vs every 2 months) and device support. On price there is nothing between them.

Both are free to download. 3 Gốc sells 10 one-off in-app purchases. Onllearning 4.0 asks for nothing beyond the download.

Onllearning 4.0 ships an update every 2 weeks, 3 Gốc every 2 months. Both last shipped on October 3, 2026.

## The numbers

| Metric | Onllearning 4.0 | 3 Gốc |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | — |
| Update frequency | **Every 2 weeks** | Every 2 months |
| Size | 66 MB | 288 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | — |
| Age rating | 4+ | 4+ |
| Developer | [Binh Nguyen](https://appshunter.io/developer/1659967996) | [VIET KNOWLEDGEMENT GARDEN JOINT STOCK COMPANY](https://appshunter.io/developer/1606716972) |

## What reviewers say

### Onllearning 4.0

[App page](https://appshunter.io/ios/app/onllearning-40/id1592060835)

**Features:** macOS Compatibility

**In-app purchases:** none


### 3 Gốc

[App page](https://appshunter.io/ios/app/3-goc/id6476895746)

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| EQ1 | $6.99 | one-time |
| EQ2 | $6.99 | one-time |
| Dạy con 5 phút | $12.99 | one-time |
| Dạy Con Trưởng Thành Từ 3 Gốc | $14.99 | one-time |
| Dạy con tư duy nhân quả | $14.99 | one-time |
| Bé yêu thiên nhiên | $14.99 | one-time |
| Dạy Con Thành công và HP bền vững | $14.99 | one-time |
| Vườn cổ tích STT | $14.99 | one-time |
| Chánh Kiến 2 | $22.99 | one-time |
| Rèn Trí Sáng Suốt | $69.99 | one-time |


## Frequently asked questions

### Is Onllearning 4.0 free?

Onllearning 4.0 is free to download, with no in-app purchases.

### Is 3 Gốc free?

3 Gốc is free to download, with in-app purchases available.

### Which is updated more often, Onllearning 4.0 or 3 Gốc?

Onllearning 4.0 ships an update every 2 weeks, and 3 Gốc every 2 months. Most recently, Onllearning 4.0 was updated on October 3, 2026 and 3 Gốc on October 3, 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.*