# 3 Gốc vs PDCA Success

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

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

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

## The numbers

| Metric | 3 Gốc | PDCA Success |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | — | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Size | 288 MB | 108 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | — | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [VIET KNOWLEDGEMENT GARDEN JOINT STOCK COMPANY](https://appshunter.io/developer/1606716972) | [PDCA INNOVATION](https://appshunter.io/developer/1823042208) |

## 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 |


### PDCA Success

[App page](https://appshunter.io/ios/app/pdca-success/id6747833832)

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

**In-app purchases:** none


## Frequently asked questions

### Is 3 Gốc free?

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

### Is PDCA Success free?

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

### Which is updated more often, 3 Gốc or PDCA Success?

3 Gốc ships an update every 2 months, and PDCA Success every 3 weeks. Most recently, 3 Gốc was updated on October 20, 2026 and PDCA Success 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.*