密九通 vs 小密盒
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
密九通
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密九通是基于标识密码(SM9)技术对移动智能终端重要数据的传输、存储和分享进行加密保护。 实现了语音通话、通讯录、短信、照片、文件和即时通讯消息的加密保护。 防止攻击者利用系统漏洞、恶意监听、植入病毒木马等手段盗取敏感数据，保障移动智能终端数据安全。 为政府、金融、能源、军队、运营商和大型企业等行业提供移动智能终端数据的安全保障服务。
小密盒
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密盒是一款安全可靠的私有云、私域群一体机，实现小微企业私有云协同办公、同时又是家庭数据保险箱。 【即插即用】 插入电源扫码绑定，插入网线全球联网使用 企业成员受邀后可共享使用密盒 【私密沟通】 成员建群分享，群内私密沟通 沟通记录存储本地，永不过期 【文件加密传输存储】 专属存储空间，文件存储加密，不经任何云平台留存转发 数据永久储存，永不过期 【清爽无广告】 终身使用无广告骚扰，无需会员续费
Screenshots
Verdict
The clearest difference is update cadence: 小密盒 at every 3 weeks against 密九通's every 11 months. 密九通's advantage is 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.
密九通 ships an update every 11 months, 小密盒 every 3 weeks. The most recent releases landed on October 17, 2026 and October 22, 2026 respectively.
| Parameter | 密九通 | 小密盒 |
|---|---|---|
| Price | Free | Free |
| Positive reviews | — | 0.0% of reviews |
| Update frequency | Every 11 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 10.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 91 MB | 193 MB |
| Age rating | 4+ | 4+ |
| Developer | ShenZhen AoLian Information Security Technology Co.,Ltd. | 亿次网联(杭州)科技有限公司 |
In-app purchases
密九通
No in-app purchases
小密盒
No in-app purchases
