# NEURO DUEL vs Chaipo Online

The clearest difference is in-app purchases: NEURO DUEL at none against Chaipo Online's 3. NEURO DUEL also leads on update cadence (every 2 days vs every 5 days). Chaipo Online's advantage is iOS requirement (15.0 vs 17.6). On price, ads and device support there is nothing between them.

Both are free to download. Chaipo Online sells 3 one-off in-app purchases. NEURO DUEL asks for nothing beyond the download.

NEURO DUEL ships an update every 2 days, Chaipo Online every 5 days. The most recent releases landed on October 31, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | NEURO DUEL | Chaipo Online |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 2 days** | Every 5 days |
| Monetization | — | Free with in-app purchases |
| Size | 8 MB | 12 MB |
| Requires iOS | 17.6 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [takuya matsumoto](https://appshunter.io/developer/1842855380) | [RAITO SASAGAWA](https://appshunter.io/developer/6780805981) |

## What reviewers say

### NEURO DUEL

[App page](https://appshunter.io/ios/app/neuro-duel/id6758133807)

**Features:** macOS Compatibility

**In-app purchases:** none


### Chaipo Online

[App page](https://appshunter.io/ios/app/chaipo-online/id6781688872)

Learn and play Open-Face Chinese Poker with a guided tutorial and real-time rule references. Compete against AI or friends online, with ranked matches and a global leaderboard. Enjoy quick games suitable for any break.

**Highlights:** Guided tutorial for beginners, Full royalty table reference, Foul detection, Fantasyland and Scoop rules, CPU matches for offline practice, Online multiplayer via room code, Ranked matches and World Ranking

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Stamina +5 | $0.99 | one-time |
| Stamina +20 | $2.99 | one-time |
| Remove Ads | $2.99 | one-time |


## Frequently asked questions

### Is NEURO DUEL free?

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

### Is Chaipo Online free?

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

### Do NEURO DUEL or Chaipo Online have ads?

Both NEURO DUEL and Chaipo Online show ads.

### Which is updated more often, NEURO DUEL or Chaipo Online?

NEURO DUEL ships an update every 2 days, and Chaipo Online every 5 days. Most recently, NEURO DUEL was updated on October 31, 2026 and Chaipo Online on November 5, 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.*