Disk Decipher vs Purizumu
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Disk Decipher
Access and manage encrypted virtual disk images directly on your iPhone and iPad. Supports a wide range of encryption formats and file systems, offering secure viewing and playback of your data anywhere.
- Access encrypted virtual disks
- Supports VeraCrypt, TrueCrypt, LUKS, DMG
- Native file system handling
- Secure authentication options
- File Provider integration
- Media playback
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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.
Purizumu
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Purizumu (Japanese for "Prism") is a color exploration tool that helps you discover and generate beautiful color palettes grounded in color theory. Tap anywhere to discover a random color, or enter a specific hex code or RGB value. Purizumu instantly generates six types of color harmony schemes so you can find the perfect palette for any project. COLOR HARMONIES - Complementary: Base + 180° opposite for maximum contrast - Split Complementary: Base + 150° and 210° for softer contrast - Analogous: Base ± 30° for naturally harmonious combinations - Triadic: Three colors at 120° intervals for balanced variety - Tetradic: Four colors at 90° intervals for rich palettes - Monochromatic: Same hue with varied brightness levels EXPLORE & DISCOVER - Tap to generate a random color with smooth animated transitions - Enter colors by hex code or individual RGB values - Every color you explore is saved to a searchable history BUILT FOR DESIGNERS - Adaptive text that adjusts for readability on any background - Share colors with collaborators via deep links - Clean, focused interface that stays out of your way
Screenshots
Verdict
The clearest difference is price: Purizumu at Free against Disk Decipher's $0.99. Purizumu also leads on in-app purchases (none vs 8). Disk Decipher's advantage is chart position (#86 vs unranked) and device support (4 vs 2). On ads 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
Purizumu is free to download; Disk Decipher costs $0.99 up front. Disk Decipher sells 8 one-off in-app purchases. Purizumu asks for nothing beyond the download.
| Parameter | Disk Decipher | Purizumu |
|---|---|---|
| Price | $0.99 | Free — better |
| Rating | 4.6 (95 ratings) — better | — |
| Positive reviews | 72.4% of reviews | — |
| Number of ratings | 95 — better | — |
| Update frequency | Weekly | — |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Best chart rank | #86 — better | — |
| Devices | iPhone, iPad, Mac, Vision Pro — better | iPhone, iPad |
| Requires iOS | 17.0 — better | 26.2 |
| Further details — not scored | ||
| Size | 16 MB | 9 MB |
| Age rating | 4+ | 4+ |
| Developer | Richard Huveneers | Perris Davis |
Bugs and requests
Disk Decipher
Reported bugs
3 issues- Issues with mounting/opening encrypted containers
- Problems with file deletion or management within containers
- Incompatibility with certain VeraCrypt/TrueCrypt features
Requested features
4 requests- Add support for editing/modifying files within encrypted containers
- Improve Dropbox/cloud integration and usability
- Expand support for additional file systems (e.g. APFS, ext4)
- Implement dark mode or other UI improvements
Purizumu
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Disk Decipher
- Small Donation$0.99
- Medium Donation$1.99
- exFAT filesystem support$2.99
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- APFS write license$2.99
- NTFS write license$2.99
- HFS write license$2.99
- Large Donation$3.99
- All filesystem licenses$7.49
Purizumu
No in-app purchases









