CM2000 vs 云视光
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
CM2000
This application allows users to control a vision examination instrument via Bluetooth. It enables selection of visual targets, adjustment of instrument height, and configuration of other related settings. Users can also view descriptions of visual function targets.
- Bluetooth control of vision instrument
- Select visual targets
- Set instrument height
- Configure instrument settings
- View visual function target descriptions
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本应用可用于控制 天乐CM2000视力检查仪，主要包含以下功能： 1.通过蓝牙搜索、连接、断开视力检查仪 2.选择视力检查视标 3.设置视力检查仪高度 4.设置视力检查仪其它相关信息 5.查看视功能视标说明
云视光
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本产品将视力筛查智能化，更加高效的关爱视力健康
Screenshots
Verdict
The clearest difference is update cadence: CM2000 at daily against 云视光's fortnightly. CM2000 also leads on iOS requirement (10.0 vs 13.0). On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
CM2000 ships an update daily, 云视光 fortnightly. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.
| Parameter | CM2000 | 云视光 |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Daily — better | Fortnightly |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 10.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 56 MB | 37 MB |
| Age rating | 12+ | 12+ |
| Developer | 宁波明星科技发展有限公司 | Hangzhou Yunshiguang Company Limited |
In-app purchases
CM2000
No in-app purchases
云视光
No in-app purchases
