C6协同v3.9 vs TT Mail
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
C6协同v3.9
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C6协同v3.9客户端是金和软件股份有限公司开发的面向C6V3.0(协同平台套件系统), 解决企业中对于移动办公有高要求和需求量大的问题, 提供卓越用户体验和高效率的移动办公解决方案。 C6客户端依托于C6V3.0(协同平台套件系统)的优势, 结合手机平台特性, 致力于解决企业移动办公的问题, 将企业办公进入到一种随时随地分享, 随时随地操作, 随时随地能看到反馈的工作氛围。 请注意,此应用是作为C6V3.0产品的移动终端功能模块
TT Mail
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The preferred email manager for Apple ecosystem users Multi-protocol compatibility: Perfectly supports 12+ service providers including Gmail, Outlook, Yahoo, and iCloud; fully compatible with IMAP, POP3, and tokens. Gesture efficiency revolution: Unique three-finger swipe system, increasing email processing speed by 50%. Deep integration with the Apple ecosystem: Real-time reminders from Dynamic Island/Focus mode filtering/Cross-device clipboard synchronization. Military-grade security protection: Automatic isolation and sandbox detection of suspicious attachments; global TLS encrypted nodes. Your intelligent email hub: → Millisecond cross-account search: Lightning-fast location of 3 billion emails in a database. → Semantic recognition engine: Easily query 6 major email types (bills/meetings/marketing, etc.). → Scenario-based workflow: Customized rules for "Travel Mode" and "Shopping Spree". 【User Testimonials】 "I used to open 5 email apps every day, now TT Mail does it all!" "Adding attachments is more than 3 times faster than native email." 【Limited-time privilege】 Download and try it for free starting today. 【Automatic Renewal Email Subscription Package Details】 - Subscription Period: 1 month (continuous monthly subscription), 3 months (continuous quarterly subscription), 12 months (continuous annual subscription). - Subscription Price: Continuous monthly subscription is $1.99 per month, continuous quarterly subscription is $3.99 per quarter, and continuous annual subscription is $9.99 per year. 1. User Membership Service Agreement https://dolomite-drain-15e.notion.site/TT-Mail-Member-Service-Agreement-1c85a9c4ac3680ba919adce61552072c 2. Subscription service will be paid directly through your iTunes account. 3. 24 hours before the subscription expires, the system will automatically renew and deduct the corresponding fee according to the subscription type. 4. To cancel the continuous monthly subscription service, please do so at least 24 hours in advance in "Account Settings". Terms of Use https://dolomite-drain-15e.notion.site/TT-Mail-1c85a9c4ac368032b0f3ef76570bc43f privacy policy https://dolomite-drain-15e.notion.site/TT-Mail-1c85a9c4ac3680199abdfd2281d2982c
Screenshots
Verdict
The clearest difference is in-app purchases: C6协同v3.9 at none against TT Mail's 3. C6协同v3.9 also leads on update cadence (every 3 weeks vs every 3 months) and iOS requirement (7.0 vs 13.4). On price, ads 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. TT Mail sells 3 in-app purchases, starting at $1.99 per month. C6协同v3.9 asks for nothing beyond the download.
C6协同v3.9 ships an update every 3 weeks, TT Mail every 3 months. The most recent releases landed on October 4, 2026 and October 5, 2026 respectively.
| Parameter | C6协同v3.9 | TT Mail |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 weeks — better | Every 3 months |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 7.0 — better | 13.4 |
| Further details — not scored | ||
| Size | 21 MB | 20 MB |
| Age rating | 4+ | 4+ |
| Developer | BEIJING JINHER SOFTWARE CO.LTD. | Guangdong Yuetan Technology Co., Ltd |
In-app purchases
C6协同v3.9
No in-app purchases
TT Mail
- Monthly subscription$1.991 Month
- Seasonal subscription$3.993 Months
- Annual subscription$9.991 Year









