Comparison

139邮箱 vs 格式转换器

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

139邮箱

This app offers a comprehensive email and cloud storage solution, allowing users to send and receive emails, back up phone data, and utilize AI-powered tools for enhanced productivity. It provides secure cloud storage, voice-to-text notes, and convenient bill checking.

Highlights
  • Email and cloud storage integration
  • AI-powered writing and summarization
  • Secure cloud backup for files and photos
  • Voice-to-text note-taking
  • Multi-account email management
  • One-click passwordless login
  • Bill and invoice management
Features
Read full description

139邮箱,是邮箱也是云盘,让您得心应手收发邮件的同时,获得更多云端新体验。 安装APP您可以更便捷地收发邮件,基于移动云盘还可以安全云备份附件、微信文件、手机照片、通讯录等手机资料,使用语音转写笔记、文件资料共享群。全尺寸联网版本,全面升级深度思考,各类难题轻松突破。 139邮箱,手机号就是邮箱号,邮件+短信双重提醒,不用担心错过重要邮件! 【AI工具重磅推出】 -打造个人知识库,秒懂需求 -AI超市百款应用,随心调用 -升级AI文件库,智能管理 -AI智能写邮件、AI总结邮件、AI回复邮件等功能,提供智能高效办公体验。 【一键免密登录】 -支持手机一键免密登录 -支持多种邮箱账号管理,一键切换账号收发邮件 -除139邮箱以外,支持添加网易163邮箱、QQ邮箱、新浪邮箱、Outlook及各种企业邮箱 【便捷收发邮件】 -无需对方邮箱号,邮件可直接通过微信发给对方 -多形式分享,支持邮件分享、生成截图分享、附件分享,可分享至微信、QQ等好友 -新邮件到达实时推送+短信到达提醒,再也不怕错过重要邮件 【智能云笔记】 -语音实时转文字,支持区分说话人,会议结束,纪要即出 -智能提取图片文字,告别传统手打输入 【安全云备份】 -存储传输安全加密,支持保险箱加密存储,享受360度安全云盘服务 -相册、音视频等文件资料自动备份,轻松释放手机内存 -微信文件自动备份,解决资料误删、清理微信记录后文件丢失等问题 -APP、PC、Web、TV、iPad、小程序等多端同步 【传输不限速】 普通用户也不限速,上传下载速度取决于用户的网络和设备情况 【快捷查账单】 -轻松查看话费账单,统一管理你的发票 -还有中国移动用户专属福利 【联系我们】 (1)关于邮箱注册问题,可前往帮助中心查看常见问题解决方案哦:https://help.mail.10086.cn/statichtml/1/index.html (2)其他问题,可通过“139邮箱App-我的-顶部右侧‘客服’”、“139邮箱App-我的-关于我们-意见反馈”或者拨打10086联系我们哦。 感谢您的支持。更多功能,敬请期待!

About

格式转换器

Convert videos, audio, images, and documents between various formats. Offers powerful conversion tools for all your file needs. Subscription options available for advanced features.

Highlights
  • Video format conversion (MP4, MOV, AVI, FLV)
  • Audio format conversion (MP3, AAC, WAV)
  • Image format conversion (PNG, JPEG, BMP)
  • Document format conversion (Word, Excel, PDF)
  • Subscription for advanced features
Features
Read full description

全能格式转换! 主要功能: -视频格式转换:支持MP4/MOV/AVI/FLV等格式转换; -音频格式转换:支持mp3/aiff/aac/wav等格式转换; -图片格式转换:支持png/jpeg/bmp/gif等格式转换; -文件格式转换:支持word/excel/pdf/ppt等格式转换。 更多强大功能等待您的体验! 会员订阅: 订阅价格为每年68元、每月18元,自动续费。 订阅会自动续订,除非在当前期间结束前至少24小时关闭自动续订;帐户将在当前期间结束前24小时内收取续订费用,并确定续订费用 订阅可以由用户管理,并且可以在购买后转到用户的AppStore帐户设置来关闭自动续订 隐私条款:https://shimo.im/docs/L9kBB75mDXIR10kK/read 使用条款:https://shimo.im/docs/5xkGob8r4buEO7kX/read

Screenshots

139邮箱4 screens
格式转换器3 screens

Verdict

The call

The clearest difference is in-app purchases: 139邮箱 at none against 格式转换器's 3. 139邮箱 also leads on ratings volume (106 vs 3). 格式转换器's advantage is rating (5.0 vs 4.6) and iOS requirement (12.0 vs 14.0). On price, update cadence, 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. 格式转换器 sells 3 in-app purchases, starting at $2.99 per month. 139邮箱 asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

格式转换器 holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: 139邮箱 has 106 ratings behind it against 3, so its average is the more settled of the two.

UpkeepUpdate frequency

139邮箱 ships an update monthly, 格式转换器 every 3 weeks. The most recent releases landed on November 1, 2026 and October 24, 2026 respectively.

Scorecard5 real differences · 5 level
139邮箱 versus 格式转换器: the parameters behind the verdict, then further details
Parameter139邮箱格式转换器
PriceFreeFree
Rating4.6 (106 ratings)5.0 (3 ratings) — better
Positive reviews86.1% of reviews—
Number of ratings106 — better3
Update frequencyMonthlyEvery 3 weeks — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFreemium
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS14.012.0 — better
Further details — not scored
Size189 MB29 MB
Age rating17+4+
DeveloperChina Mobile Internet Company LimitedJiujiu Service Co., Ltd.

Customer experience

139邮箱

All ratings103 ratings
Positive91.3%
Neutral1.0%
Negative7.8%
Written reviews36 reviews
Positive86.1%
Neutral2.8%
Negative11.1%

格式转换器

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

139邮箱

No in-app purchases

3 purchases

格式转换器

Subscriptions2
  • 月会员$2.991 Month
  • 年会员$9.991 Year
One-time1
  • 永久会员$14.99

Questions

Is 139邮箱 free?
139邮箱 is free to download, with no in-app purchases.
Is 格式转换器 free?
格式转换器 is free to download, with in-app purchases available.
Which has better reviews, 139邮箱 or 格式转换器?
格式转换器 is rated higher. 139邮箱 averages 4.6 out of 5 from 106 ratings, while 格式转换器 averages 5.0 from 3 ratings.
Do 139邮箱 or 格式转换器 have ads?
Neither 139邮箱 nor 格式转换器 shows ads.
Which is updated more often, 139邮箱 or 格式转换器?
139邮箱 ships an update monthly, and 格式转换器 every 3 weeks. Most recently, 139邮箱 was updated on November 1, 2026 and 格式转换器 on October 24, 2026.

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