量信 vs 云拓IM
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
量信
Read full descriptionHide full description
量信是以密码技术为核心的企业加密通讯与安全协同办公平台。构建以“用密码定义边界”为宗旨的数据安全防护体系，保障企业数据从产生、传输、存储、分类、共享、销毁全生命周期的数据安全。集成密话、密信、密会、密视频、密线、密文、密盘、密友通讯录等八大加密应用，结合零信任、数据防泄漏、安全沙箱等多种安全技术，对企业通讯和办公场景下的云、管、端数据进行全程加密保护。
云拓IM
Read full descriptionHide full description
【内容介绍】 1、即时通讯服务 提供一套完整的通讯基础能力，支持单聊、多人聊天、已读回执、消息转发、消息引用、历史消息等。 2、防泄密机制 通过技术手段对聊天内容、聊天文件进行特定标记，外泄文件有源可查，保护企业核心竞争力。 3、单点登录 统一身份验证系统，帮助企业快速实现单点登录，可快速安全访问企业内部所有应用系统 4、消息通知 开放标准化消息通讯接入接口，接口符合RESTful、Websocket等接口规范，第三方应用可快速对接IM平台，实现组织内部资源的有效对接和利用
Screenshots
Verdict
量信 and 云拓IM are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
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.
Both ship on a similar rhythm, roughly every 9 days. The most recent releases landed on September 19, 2026 and September 20, 2026 respectively.
| Parameter | 量信 | 云拓IM |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 9 days | Every 9 days |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 12.0 — better | 12.1 |
| Further details — not scored | ||
| Size | 154 MB | 89 MB |
| Age rating | 12+ | 4+ |
| Developer | Nanjing e-Quantum Information Technology Co., Ltd | Newtop LLC |
In-app purchases
量信
No in-app purchases
云拓IM
No in-app purchases
