# GuoouMaster vs CueStroke

The clearest difference is in-app purchases: GuoouMaster at none against CueStroke's 3. GuoouMaster also leads on iOS requirement (11.0 vs 18.6). On price, review sentiment, update cadence and ads there is nothing between them.

Both are free to download. CueStroke sells 3 in-app purchases, starting at $3.99 per month. GuoouMaster asks for nothing beyond the download.

GuoouMaster ships an update every 3 months, CueStroke every 2 months. The most recent releases landed on November 3, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | GuoouMaster | CueStroke |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 80.0% of reviews | **81.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 15 MB | 60 MB |
| Requires iOS | **11.0** | 18.6 |
| Devices | iPhone, iPod | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [海军 欧阳](https://appshunter.io/developer/1284631051) | [Xi'an Mengdong Network Technology Co., Ltd.](https://appshunter.io/developer/1687598458) |

## What reviewers say

### GuoouMaster

[App page](https://appshunter.io/ios/app/guooumaster/id1284631052)

This app measures coating thickness on steel and aluminum, allowing real-time data reading via Bluetooth, recording, and analysis. It helps evaluate vehicle originality and compliance with state regulations for used vehicle appraisal and new car transactions.

**Highlights:** Bluetooth data reading, Data recording and analysis, Vehicle coating inspection, Batch product testing, Used vehicle appraisal tool

**Features:** macOS Compatibility

**In-app purchases:** none


### CueStroke

[App page](https://appshunter.io/ios/app/cuestroke-billiards-analysis/id6670414216)

Improve your billiards game with advanced stroke analysis and power control. Track your performance, practice with drills, and sync data with Apple Health. Offers detailed reports and leaderboards to help you master your skills.

**Highlights:** Stroke alignment analysis, Shot power control, Break performance tracking, Apple Health integration, 84 built-in practice drills, Live and detailed performance reports, Leaderboards and achievements

**Features:** Apple Watch app, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 连续包月会员 | $3.99 | per month |
| 连续包年会员 | $24.99 | per year |
| 永久会员 | $9.99 | one-time |


## Frequently asked questions

### Is GuoouMaster free?

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

### Is CueStroke free?

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

### Do GuoouMaster or CueStroke have ads?

Neither GuoouMaster nor CueStroke shows ads.

### Which is updated more often, GuoouMaster or CueStroke?

GuoouMaster ships an update every 3 months, and CueStroke every 2 months. Most recently, GuoouMaster was updated on November 3, 2026 and CueStroke on November 8, 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.*