# Secret Inbox — Your Masked Email for Fastmail > Fastmail masked email management app for iOS and macOS. (iPhone/iPad app by Cleanbit, MB.) - Source: https://appshunter.io/ios/app/secret-inbox/id6462335670 (this page in markdown: same URL + `.md`) - Developer: [Cleanbit, MB](https://appshunter.io/developer/1604190074) - Category: Utilities, Business - Price: Free - Rating: 5.00/5 from 3 App Store ratings · 2 written reviews indexed - Age rating: 4+ - Requires: iOS 26.0 · 5 MB - Languages: American English - Released: 2023-10-11 - Data updated: 2026-08-19 - Monetization: free - User reviews in markdown: https://appshunter.io/ios/app/secret-inbox/id6462335670/reviews.md ## What is Secret Inbox? Secret Inbox is the native companion app for managing your Fastmail masked email addresses on iPhone, iPad, and Mac. Stop giving away your real email address. Create a unique masked email for every website, newsletter, or service you sign up for. When one gets spammed, simply block or delete it — your real inbox stays clean. Create Emails Instantly ∙ Generate new masked emails with a single tap/click. Add custom domains and descriptions to stay organized. Copy any address to your clipboard and paste it wherever you need. Manage Your Privacy ∙ View all your masked emails in one place. Block addresses that receive spam without deleting them. Bulk select and delete multiple emails at once when you're ready to clean house. Built for Speed ∙ Lock Screen widget to copy emails without opening the app ∙ Siri Shortcuts: "Hey Siri, create a new masked email" ∙ Mac keyboard shortcuts for instant creation (customizable) ∙ Menu bar access on Mac for quick lookups Search Your Mail ∙ Tap any masked email to search your Fastmail inbox for messages sent to that address. See exactly what's coming through. Fully Accessible ∙ Complete VoiceOver support with descriptive labels, state announcements, and reduced motion options. Your Data Stays Private ∙ Secure OAuth login directly with Fastmail. No third-party tracking. No data collection. Your credentials are stored safely in your device's keychain. Requires a Fastmail account with masked email feature. ## Key features - Generate masked emails instantly - Block and delete spam addresses - Search Fastmail inbox by masked email - Lock Screen widget for quick access - Siri Shortcuts integration - Mac menu bar access ## Recent user reviews (2 of 2) All indexed reviews: https://appshunter.io/ios/app/secret-inbox/id6462335670/reviews.md ### 5/5 — Fantastic App *2026-03-25* If you use Fastmail masked emails, this app is a must-get. Makes creating and accessing masked emails easy. Frankly, without the app, accessing the feature is too difficult to be useful. The biggest improvement is to make it easy to compensate the developer! Also, on iOS, add shortcut for creating with options, and, on all platforms, preference to set the “with options” creation the default behavior. Thanks for the work. ### 5/5 — Perfect *2026-01-28* Perfect app for Fastmail’s Masked Email feature. **Developer response:** Thanks! ## Frequently asked questions about Secret Inbox ### Does Secret Inbox have ads? No, Secret Inbox is completely ad-free, allowing for an uninterrupted user experience. ### What devices does Secret Inbox support? Secret Inbox is available for iPhone, iPad, and Mac devices, ensuring a consistent experience across Apple platforms. ### Is Secret Inbox free to use? Yes, Secret Inbox is free to download and use. It requires a Fastmail account with the masked email feature enabled. ### How often is Secret Inbox updated? The latest version of Secret Inbox is 1.5.0, last updated on February 17, 2026. Updates typically focus on performance improvements and new features. ### What is the age rating for Secret Inbox? Secret Inbox has an age rating of 4+, making it suitable for a wide range of users. ### How does Secret Inbox protect user data? Secret Inbox uses secure OAuth login directly with Fastmail, stores credentials in the device's keychain, and does not collect or track user data. ### Can I search my emails with Secret Inbox? Yes, you can tap any masked email within Secret Inbox to search your Fastmail inbox for messages sent to that specific address. ### Does Secret Inbox offer offline functionality? While the app itself requires an internet connection to manage Fastmail emails, features like Siri Shortcuts and Mac keyboard shortcuts allow for quick email creation without needing to fully open the app. ## Version history (last 5 releases) ### 1.5.2 — 2026-07-28 • Fixes multiple issues with Safari Extension • Fixes issues with Fastmail session handling ### 1.5.1 — 2026-07-24 • Fixed issue where it was impossible to login after successfully authenticating with Fastmail ### 1.5.0 — 2026-02-17 • Added full multi-profile support so you can use and switch between multiple Fastmail accounts in Secret Inbox. • Added a new Manage Profiles flow where you can add, rename, switch, and remove profiles. • Added profile switching in the Safari extension popup so you can create and fill addresses from the correct account. • Added keyboard shortcuts for quick profile switching (⌘1 through ⌘9) plus a Profiles menu in the app. • Added profile-aware widget and App Shortcuts support so actions can run with a selected profile. ### 1.4.3 — 2026-02-08 • New Safari extension lets you view, copy, and create masked emails directly from your browser toolbar. ### 1.4.2 — 2026-01-21 • New Safari extension lets you view, copy, and create masked emails directly from your browser toolbar. ## Apps similar to Secret Inbox | App | Rating | Price | Category | | --- | --- | --- | --- | | [MailBolt Disposable Mail](https://appshunter.io/ios/app/mailbolt-disposable-mail/id6742543294) | 4.7 (14) | Free | Utilities | | [드랍메일 - 임시 이메일](https://appshunter.io/ios/app/id6749849525) | — | Free | Utilities | | [Mail Hub: Multiple Email Boxes](https://appshunter.io/ios/app/mail-hub-multiple-email-boxes/id6475181369) | 4.3 (15) | Free | Utilities | | [Temp Mail Pro Temporary Email](https://appshunter.io/ios/app/temp-mail-pro-temporary-email/id6480043103) | 4.5 (34) | Free | Utilities | | [Mail Verified - FadePost Email](https://appshunter.io/ios/app/mail-verified-fadepost-email/id6746226386) | 4.9 (14) | Free | Utilities | | [Temp Mail GG - Temporary Email](https://appshunter.io/ios/app/temp-mail-gg-temporary-email/id6748669755) | — | Free | Utilities | ## More apps by Cleanbit, MB - [The Business Card](https://appshunter.io/ios/app/the-business-card/id1604190072) - [Too Many Records!](https://appshunter.io/ios/app/too-many-records/id6449257927) - [Laima - Laboratory Assistant](https://appshunter.io/ios/app/laima-laboratory-assistant/id6502410836) - [Zippy Tools: Utility Toolkit](https://appshunter.io/ios/app/zippy-tools-utility-toolkit/id6758775310) - [Clean Express](https://appshunter.io/ios/app/clean-express/id6759472357) All apps by Cleanbit, MB: https://appshunter.io/developer/1604190074 --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-19.*