PassFM vs 胖鱼信使
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
PassFM
Securely store and manage your private files, including photos, videos, documents, and notes. This app offers a private browser for safe web activity and allows for easy file import, export, and sharing. Protect your sensitive information with password protection and local storage.
- Password-protected file storage
- Private photo and video viewer/player
- Built-in private web browser
- Import, export, and share files
- Private contact and note management
- WiFi file transfer
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PassFM is a private file manager to protect your privacy. Setup password and lock your private albums, photos, videos, notes, documents and contacts. All files are stored locally. PassFM has a built-in photo viewer, video player and web browser. It is easy to import, preview, download, search, export files. File Manager: - Safely import your private images, videos, notes, docs to this app. - You can export photo and video to Photos or Files anytime. - Easy to transfer files via WiFi. - Easy to share to the third party App such as Mail, WeChat, Evernote, Dropbox. - Supported image formats: jpg, png, gif, bmp, webp, etc. - Supported video formats: mov, m4v, mp4, mpv, 3gp. - Supported text formats: txt, text, md, markdown, markd, markdn, mdown, mkd, mkdn. - Supported document formats: doc, ppt, xls, docx, pptx, xlsx, key, numbers, pages, pdf, rtf. Private Browser: - Full-featured、InPrivate browser. - No visit history. - Easy to add, manage bookmarks. - Easy to download all the images on the page. - Easy to download web videos, download HLS/M3U8 and convert to MP4. - Save webpage contents into PDF. Private Contact: - Unlimited add contacts. - Add a note to a contact. - Speed dial, send SMS, send e-mail. Private notes: - Markdown syntax highlighting. - Unlimited add notes. About Privacy: Your privacy is important to us. - PassFM app does not copy or store your Photos, Videos, Contacts, Notes, Docs, etc. - Please regularly backup data to your computer or mobile hard drive. - Do not uninstall PassFM app, clear app data or delete files. Otherwise, all your files will be lost forever. Support: Please contact xappbox+passcalc@gmail.com if you need any help.
胖鱼信使
This app uses machine learning to intelligently identify and block spam text messages offline, ensuring your inbox remains clean. It prioritizes user privacy with no internet access or data collection, and is completely free of ads and in-app purchases.
- Offline AI spam detection
- Machine learning technology
- No internet access required
- No data collection
- Ad-free experience
- No in-app purchases
- No push notifications
- Regular model updates
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机器学习技术保驾护航 我们引入了最新的机器学习技术,让胖鱼信使能够智能离线识别并拦截垃圾短信,确保您的手机短信箱始终清爽整洁。 无任何联网行为,无网络权限申请,绝不窥探您的隐私 我们坚守信仰,绝不会进行任何联网行为,更不会收集您的个人数据。您的隐私对我们来说至关重要,我们时刻把它放在第一位。 绝对不添加广告,永远不内购 在胖鱼信使,我们坚守这个承诺。我们相信您下载我们的App是为了享受更干净、更方便、更安全的短信体验,而不是被广告打扰或推动内购。因此,我们郑重承诺:我们将永远不在我们的App中添加广告,也不会向您推送内购信息。 绝对不添加推送,您的宁静无价 我们明白您对推送通知的态度,有时它们会让人感到不便或打扰。因此,我们向您保证:在胖鱼信使中,我们永远不会添加任何形式的推送通知。您可以放心使用我们的App,不必担心被不必要的干扰打扰到您的生活。 定期更新模型版本 为了确保您始终拥有最准确的拦截模型,我们将不断地进行版本更新,通常每1-2周发布一个新版本。为了获取最新的功能和性能提升,我们建议您定期检查AppStore,以便及时更新胖鱼信使。此外,您还可以打开AppStore的自动更新功能,确保您不会错过任何重要的更新。
Screenshots
Verdict
The clearest difference is review sentiment: 胖鱼信使 at 100% against PassFM's 44%. 胖鱼信使 also leads on rating (5.0 vs 3.7) and update cadence (every 2 weeks vs every 3 months). PassFM's advantage is ratings volume (9 vs 3). On ads, in-app purchases, monetization model 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
PassFM costs $2.99 and 胖鱼信使 $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
胖鱼信使 holds the better App Store score, 5.0 against 3.7. Both are backed by a comparable volume of ratings — 9 and 3 respectively. Written reviews point the same way: 44% of PassFM's written reviews are positive against 100% of 胖鱼信使's.
PassFM ships an update every 3 months, 胖鱼信使 every 2 weeks. The most recent releases landed on November 1, 2026 and November 7, 2026 respectively.
| Parameter | PassFM | 胖鱼信使 |
|---|---|---|
| Price | $2.99 | $0.99 — better |
| Rating | 3.7 (9 ratings) | 5.0 (3 ratings) — better |
| Positive reviews | 44.1% of reviews | 100.0% of reviews — better |
| Number of ratings | 9 — better | 3 |
| Update frequency | Every 3 months | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Paid |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 14.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 29 MB | 43 MB |
| Age rating | 17+ | 4+ |
| Developer | 刘生 林 | 迪远 王 |
Customer experience
PassFM
胖鱼信使
In-app purchases
PassFM
No in-app purchases
胖鱼信使
No in-app purchases









