Yuan vs qblens
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Yuan
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A note-taking app written with a smart stylus. 1. Connect to smart pen 2. Update smart pen writing track in real time 3. Play back writing 4. Smart sharing, print notes
qblens
Experience 3D content on your phone without special glasses. This screen protector converts 2D media into a stereoscopic 3D visual experience, making 3D viewing accessible and comfortable. It also supports creators in producing 3D content.
- Naked-eye 3D viewing
- 2D to 3D content conversion
- Replaces expensive 3D equipment
- Supports creators' 3D content production
- Enhanced visual experience
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By using a high-quality mobile phone screen protector to replace expensive and uncomfortable 3D equipment, you can watch a large amount of 2D real-time converted 3D content, solving the 3D viewing obstacles of expensive equipment, limited content, and inconvenient and uncomfortable. optiqb naked-eye 3D mobile phone film (hereinafter referred to as "qbarmour") is a special type of screen protector product that provides users with an excellent visual experience. Users' demand for 3D content is increasing, including pictures, images, live broadcasts, games and other applications. The development of naked-eye 3D mobile phone film technology allows users to enjoy the three-dimensional effect without wearing 3D glasses. At the same time, in conjunction with optiqb's corresponding conversion supporting functions for creators' video content, a complete hardware + software product system has been established, allowing creators to significantly reduce the production threshold for 3D film and television, upgrade their original works and provide the viewing public with a new 3D visual experience.
Screenshots
Verdict
The clearest difference is device support: Yuan at 3 against qblens's 1. Yuan also leads on iOS requirement (13.0 vs 17.5). On price, update cadence, ads and in-app purchases 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.
Yuan ships an update monthly, qblens every 4 weeks. The most recent releases landed on November 4, 2026 and October 30, 2026 respectively.
| Parameter | Yuan | qblens |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (4 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 4 — better |
| Update frequency | Monthly | Every 4 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 13.0 — better | 17.5 |
| Further details — not scored | ||
| Size | 78 MB | 213 MB |
| Age rating | 17+ | 17+ |
| Developer | HAOU TECHNOLOGY CO.,LTD | Optiqb AI Technology Limited |
In-app purchases
Yuan
No in-app purchases
qblens
No in-app purchases









