# 닥터CEO vs Zeengo

The clearest difference is update cadence: Zeengo at every 3 weeks against 닥터CEO's every 13 months. 닥터CEO's advantage is device support (3 vs 1) and iOS requirement (13.0 vs 16.0). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

닥터CEO ships an update every 13 months, Zeengo every 3 weeks. The most recent releases landed on October 14, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | 닥터CEO | Zeengo |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 13 months | **Every 3 weeks** |
| Monetization | — | Free |
| Size | 18 MB | 38 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 12+ | 4+ |
| Developer | [닥터CEO](https://appshunter.io/developer/1288436047) | [iPortfolio Inc.](https://appshunter.io/developer/486052141) |

## What reviewers say

### 닥터CEO

[App page](https://appshunter.io/ios/app/ceo/id1288436048)

**Features:** macOS Compatibility

**In-app purchases:** none


### Zeengo

[App page](https://appshunter.io/ios/app/zeengo/id6736900601)

Practice English speaking with daily quote missions. Get AI-powered pronunciation feedback and earn medals for motivation. Share inspiring quotes with friends.

**Highlights:** Daily quote speaking missions, AI pronunciation evaluation, Detailed score analysis (accuracy, fluency), Medal system for motivation, Quote sharing to social media

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

**In-app purchases:** none


## Frequently asked questions

### Is 닥터CEO free?

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

### Is Zeengo free?

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

### Do 닥터CEO or Zeengo have ads?

Neither 닥터CEO nor Zeengo shows ads.

### Which is updated more often, 닥터CEO or Zeengo?

닥터CEO ships an update every 13 months, and Zeengo every 3 weeks. Most recently, 닥터CEO was updated on October 14, 2026 and Zeengo on October 15, 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.*