# CaseVision Golf vs 洞见18

The clearest difference is in-app purchases: CaseVision Golf at none against 洞见18's 2. 洞见18's advantage is update cadence (weekly vs every 2 weeks) and iOS requirement (11.0 vs 16.0). On price, ads and device support there is nothing between them.

Both are free to download. 洞见18 sells 2 one-off in-app purchases. CaseVision Golf asks for nothing beyond the download.

CaseVision Golf ships an update every 2 weeks, 洞见18 weekly. The most recent releases landed on October 7, 2026 and September 27, 2026 respectively.

## The numbers

| Metric | CaseVision Golf | 洞见18 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (5 ratings)](https://appshunter.io/ios/app/18/id1610977323/reviews)** |
| Number of ratings | — | **5** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Weekly** |
| Monetization | — | Free with in-app purchases |
| Size | 456 MB | 47 MB |
| Requires iOS | 16.0 | **11.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Shanghai Casevision Technology Co., Ltd.](https://appshunter.io/developer/1574869378) | [Beijing Houlangyingyu Sports Technology Co.,Ltd](https://appshunter.io/developer/1610977325) |

## What reviewers say

### CaseVision Golf

[App page](https://appshunter.io/ios/app/casevision-golf/id1574869376)

**Features:** macOS Compatibility

**In-app purchases:** none


### 洞见18

[App page](https://appshunter.io/ios/app/18/id1610977323)

This sports app allows players to meticulously track their game and practice data, providing detailed performance analysis. Coaches can monitor student progress, identify issues through data comparison, and foster better communication.

**Highlights:** Record game and practice data, International standard scorecard, Quantify skill with 'strokes gained', Track historical progress trends, Filter data by weather/course, Analyze performance per club, Compare student data for coaching

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 基础会员一年 | $49.99 | one-time |
| 进阶会员一年 | $149.99 | one-time |


## Frequently asked questions

### Is CaseVision Golf free?

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

### Is 洞见18 free?

洞见18 is free to download, with in-app purchases available.

### Do CaseVision Golf or 洞见18 have ads?

Neither CaseVision Golf nor 洞见18 shows ads.

### Which is updated more often, CaseVision Golf or 洞见18?

CaseVision Golf ships an update every 2 weeks, and 洞见18 weekly. Most recently, CaseVision Golf was updated on October 7, 2026 and 洞见18 on September 27, 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.*