Cloud Memo vs 量子零信任客户端
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Cloud Memo
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Main features 1. Simple and easy-to-use memo function 2. Cross-device with iPhone, iPad, Mac, and Apple Watch(read only) 3. Encrypt and store data in iCloud 4. Data Backup (Upgrade) 5. Data Export / Import (Upgrade) 6. Pressing the music note button will play lively background music * When the mobile data connection is not on the primary line, please turn the mobile data OFF/ON on your iPhone to reflect it on your Apple Watch.
量子零信任客户端
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基于SDP、IAM、量子安全加密、量子密钥分发等技术，建立了设备可信、用户可信、流量可信、应用可信的量子零信任可信链条，为远程办公、互联网收口、移动办公等业务场景提供服务。
Screenshots
Verdict
The clearest difference is in-app purchases: 量子零信任客户端 at none against Cloud Memo's 1. Cloud Memo's advantage is update cadence (every 11 days vs every 2 months). On price, ads, device support and iOS requirement 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. Cloud Memo sells 1 one-off in-app purchase. 量子零信任客户端 asks for nothing beyond the download.
Cloud Memo ships an update every 11 days, 量子零信任客户端 every 2 months. The most recent releases landed on October 19, 2026 and October 11, 2026 respectively.
| Parameter | Cloud Memo | 量子零信任客户端 |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 11 days — better | Every 2 months |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Devices | iPhone, iPad, Apple Watch — better | iPhone, iPod |
| Requires iOS | 16.0 | 15.0 — better |
| Further details — not scored | ||
| Size | 14 MB | 41 MB |
| Age rating | 4+ | 4+ |
| Developer | NAOTO UENO | 山东量子科学技术研究院有限公司 |
In-app purchases
Cloud Memo
- Upgrade to Plus$0.99
量子零信任客户端
No in-app purchases
