AirSize vs Chmu
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
AirSize
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ProDimensions helps you visualize dimensions accurately in two powerful ways: 1. On-Screen Reference: Display shapes of precise dimensions directly on your screen. Includes a library of presets for standard paper sizes, photo prints, and everyday objects. Perfect for checking "How big is a 6-inch phone?" instantly. 2. AR Spatial Mode: Unleash the power of Augmented Reality. Create virtual 2D/3D rectangles of any size and place them in your real-world environment. It helps you visualize furniture, frames, or any object before you buy. Key Features: Precision: accurate to the millimeter. Ad-Free: Focus on your tasks without distractions. Versatile: Switch seamlessly between AR and Screen modes.
Chmu
This utility app synchronizes data, controls, and interactions between smart AI glasses and mobile devices. It facilitates seamless management of your connected eyewear experience.
- Data synchronization
- Command control
- Interaction management
- Smart AI glasses integration
- Mobile device connectivity
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本APP是一款用于实现智能AI眼镜与手机等移动设备之间数据同步、指令控制及交互管理的工具类软件。
Screenshots
Verdict
The clearest difference is in-app purchases: Chmu at none against AirSize's 1. AirSize's advantage is device support (3 vs 1) and iOS requirement (15.0 vs 18.0). On price, update cadence and ads 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. AirSize sells 1 one-off in-app purchase. Chmu asks for nothing beyond the download.
Both ship on a similar rhythm, roughly weekly. The most recent releases landed on October 9, 2026 and October 7, 2026 respectively.
| Parameter | AirSize | Chmu |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Number of ratings | — | 1 — better |
| Update frequency | Weekly | Weekly |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | — | Free |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 15.0 — better | 18.0 |
| Further details — not scored | ||
| Size | 8 MB | 47 MB |
| Age rating | 4+ | 4+ |
| Developer | Shenzhen Dimension Brush Technology Co., Ltd | SyncSmart |
In-app purchases
AirSize
- 妙测 Pro$0.99
Chmu
No in-app purchases
