# 3 Gốc vs Viko

The clearest difference is update cadence: Viko at weekly against 3 Gốc's every 2 months. Viko also leads on device support and iOS requirement (13.0 vs 15.0). On price and in-app purchases there is nothing between them.

Both are free to download. 3 Gốc sells 10 one-off in-app purchases and Viko sells 3 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

3 Gốc ships an update every 2 months, Viko weekly. The most recent releases landed on October 20, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | 3 Gốc | Viko |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | — | No |
| Update frequency | Every 2 months | **Weekly** |
| Size | 288 MB | 45 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | — | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [VIET KNOWLEDGEMENT GARDEN JOINT STOCK COMPANY](https://appshunter.io/developer/1606716972) | [H2Tech](https://appshunter.io/developer/1830983745) |

## What reviewers say

### 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 |


### Viko

[App page](https://appshunter.io/ios/app/viko/id6753932320)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Gói cơ bản | $2.99 | per month |
| Gói chuyên sâu | $6.99 | per month |
| Gói bổ trợ | $9.99 | per month |


## Frequently asked questions

### Is 3 Gốc free?

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

### Is Viko free?

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

### Which is updated more often, 3 Gốc or Viko?

3 Gốc ships an update every 2 months, and Viko weekly. Most recently, 3 Gốc was updated on October 20, 2026 and Viko on October 25, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*