Disk Decipher
Access encrypted virtual disks
USD 0.99 · In-App Purchases
Access encrypted virtual disks on iPhone & iPad. Open VeraCrypt, TrueCrypt, LUKS, DMG, ProxyCrypt and more—securely, anywhere.
Disk Decipher supports many advanced features. Full compatibility details and documentation are available on the support site: https://disk-decipher.app.
Highlights:
- Freedom of storage - Keep your disk images on your device, on an external disk or NAS, or in the cloud
- Broad disk‑image compatibility – VeraCrypt, TrueCrypt, LUKS, DMG, Apple sparse image/bundle, ProxyCrypt
- Native file‑system handling – FAT, exFAT, NTFS, HFS, APFS, Linux ext (*)
- Rich viewer & media playback – Work securely with your files within the app, or use the File Provider integration across apps
- Secure authentication options – Password, passcode, Touch ID, Face ID; Keyfiles, smart-card and FIDO2 security key.
(*) exFAT and write support for HFS, APFS and NTFS are offered as optional in-app purchases to cover patent and licensing royalties.
more - Improved compatibility when opening DMG disk images created with recent macOS versions.
6.4.11 8 Apr
- Improved fullscreen preview control.
- Fixed detection of download status for disks stored in iCloud.
- Fixed rare crash when swiping through file previews.
6.4.10 4 Apr
- Improved cleanup of (encrypted) cached remote disk data.
- Improved handling of supported characters in APFS filenames.
- Improved compatibility with iOS 16.
6.4.9 29 Mar
- Added NFC support for compatible smart cards used as keyfiles on iPhone.
- Added a text recognition action to image previews.
6.4.8 24 Mar
- Improved File Provider stability and reliability in Files.
- Fixed a possible crash when opening linked disks.
- Improved animated WebP preview performance on iOS 26.3.
6.4.7 20 Mar
- Improved filename import reliability by sanitizing unsupported characters per filesystem rules.
- Improved temporary file cleanup, including File Provider domain-specific temporary directory cleanup.
- Fixed a crash that could occur when deleting files from preview.
- Improved security key compatibility.
6.4.6 14 Mar
- Improved compatibility with security keys by negotiating supported FIDO2 PIN/UV auth protocols.
- Improved reliability of NFC-based FIDO2 unlock for LUKS2 volumes.
- Localization improvements.
6.4.5 8 Mar
- Added support for PIN-protected FIDO2 security keys when unlocking LUKS2 volumes over NFC.
6.4.4 28 Feb
- The mount screen now shows keyfile selection inline for a faster setup flow.
- Improved HTTP storage reliability by tightening connection reuse/cleanup and correcting Host header handling.
- Added a Retry action in preview when file-content reads fail.
6.4.3 22 Feb
- File Provider stability improvements.
- Localization improvements.
6.4.2 19 Feb
- Improved mount reliability in Files integration for containers that use memory-intensive key derivation.
- Better cancellation handling and stability during mount operations.
6.4.1 14 Feb
- Unlock LUKS2 volumes with FIDO2 security keys over NFC, with new Security Key Usage options.
Learn more: https://disk-decipher.app/fido2/
- Improved LUKS2 compatibility (SHA-512 support).
- Better handling of LUKS2 keyslots that exceed iOS memory limits.
6.4.0 7 Feb
- Improve preview swipe-down dismissal
- Improve share extension presentation
6.3.4 27 Jan
- Create keyfiles directly when setting up a new disk
- Add a Stream option to multi-select toolbar actions
- Improve preview and filesystem read stability
- Speed up disk layout caching with a new memory-backed LRU cache
6.3.3 26 Jan
- Added support for mounting LUKS2 disks with detached headers
- Improved HTTP streaming stability for long-running playback
6.3.2 19 Jan
- Improved HTTP streaming of large videos
- Add encrypted ZIP export. Read more on the support site: https://disk-decipher.app/zip-export/
6.3.1 14 Jan
- Added LUKS2 disk creation. When creating a new disk you can now choose between VeraCrypt and LUKS2.
Feedback welcome on: https://redd.it/1q7n1og
- Dynamic Type font fix for editable fields
- Fix WebP rendering on iOS 26+
- Fix issue with large ASIF images
- Localization improvements
6.3.0 9 Jan
- Added read-only ASIF support. More information is available on the support site: https://disk-decipher.app/sparse-image/
- Localization improvements
6.2.4 2 Jan
- Added new playback shortcuts in the movie player: Shift-Left/Right to skip 1 minute and Shift-Option-Left/Right to skip 5 minutes.
- Improved keyboard navigation during previews, including better arrow-key handling and a fix for search behavior.
- When navigating within media via keyboard, the current position now briefly appears to give clearer feedback.
- New setting to control the repeat delay interval.
- Localization improvements across multiple languages.
6.2.3 27/12/2025
- Extended hidden volume protection to support keyfiles and PIM
- Fix navigation with left/right arrow keys during preview
- Added Option-left/right arrow keyboard shortcuts for skip backward/forward during movie playback
- Localization improvements
6.2.2 22/12/2025
- Added support for VeraCrypt Hidden Volume Protection (read more: https://disk-decipher.app/disk-image-formats/#hidden-volume-protection)
- Improve mounting of hidden container
- Localization improvements
6.2.1 07/12/2025
- Added encrypted APFS support (Read more: https://disk-decipher.app/apfs/#encrypted-apfs)
- Added VeraCrypt Argon2 support (Read more: https://disk-decipher.app/disk-image-formats/#veracrypt)
- Localization improvements
6.2.0 02/12/2025
- Fixed Unicode issue
- Improved user-interface consistency
- Localization improvements
6.1.9 29/11/2025
- Disk Decipher now uses your preferred font size (as configured in iOS Settings) when listing the contents of a directory.
- Improved text viewer/editor font
- Added association to .img file extension. This makes it easier to open .img files in Disk Decipher.
- Added ProxyCrypt keyfile and scrypt parameter tuning support
- Removed FreeOTFE support (read more: https://redd.it/1ozsurh)
- Localization improvements
The 6.1.x update series focuses on user-interface improvements! To provide feedback or suggestions, please join the discussion: https://redd.it/1nvhy4n
6.1.8 18/11/2025
- Improved list view (feedback welcome: https://redd.it/1otmfxk)
- Added ProxyCrypt cascaded cipher support
- Added ProxyCrypt SHACAL-2 cipher support (decryption only, learn more: https://disk-decipher.app/disk-image-formats/#proxycrypt)
- Improved license management
- Fixed bug mounting disk in File Provider
- Localization improvements
The 6.1.x update series focuses on user-interface improvements! To provide feedback or suggestions, please join the discussion: https://redd.it/1nvhy4n
6.1.7 12/11/2025
- Improved compatibility when opening DMG disk images created with recent macOS versions.
more Version 6.4.11 8 Apr
Data Not Collected The developer does not collect any data from this app.
