Comparison

Disk Decipher vs Kalendio

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

Head to head
About

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.

Highlights
  • Access encrypted virtual disks
  • Supports VeraCrypt, TrueCrypt, LUKS, DMG
  • Native file system handling
  • Secure authentication options
  • File Provider integration
  • Media playback
Currently charting
Read full description

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.

About

Kalendio

Features
Read full description

Kalendio - Your Complete Calendar & Time Toolkit Kalendio is the ultimate calendar companion that combines powerful date conversion, age calculations, and handy time tools in one simple app. CALENDAR CONVERTER • Convert between 10+ calendar systems • Gregorian, Chinese, Japanese, Thai, Hebrew, Islamic, Persian, Indian, Mayan, Ethiopian, Icelandic • Chinese Solar Term (二十四节气) HOLIDAYS & CELEBRATIONS • International holidays and special days • National days from 195+ countries worldwide • Cultural and religious celebrations YOUR AGE INSIGHTS • Detailed age calculations • Generation classification • Western Zodiac with ruling planet • Chinese Zodiac with lucky colors • Birth stone and Celtic tree • Moon phase and birth moon name • Chinese Solar Term at birth • Day of week you were born • Biorhythm cycles PRACTICAL TOOLS • Countdown timer • Unit converter • BMI calculator • Dog Age calculator

Screenshots

Disk Decipher4 screens
Kalendio4 screens

Verdict

The call

The clearest difference is price: Kalendio at Free against Disk Decipher's $0.99. Kalendio also leads on in-app purchases (none vs 8) and iOS requirement (15.1 vs 17.0). Disk Decipher's advantage is update cadence (weekly vs every 2 months) and chart position (#85 vs unranked). On 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

Kalendio is free to download; Disk Decipher costs $0.99 up front. Disk Decipher sells 8 one-off in-app purchases. Kalendio asks for nothing beyond the download.

UpkeepUpdate frequency

Disk Decipher ships an update weekly, Kalendio every 2 months. The most recent releases landed on October 21, 2026 and October 12, 2026 respectively.

Scorecard5 real differences · 6 level
Disk Decipher versus Kalendio: the parameters behind the verdict, then further details
ParameterDisk DecipherKalendio
Price$0.99Free — better
Rating4.6 (94 ratings) — better—
Positive reviews72.4% of reviews—
Number of ratings94 — better—
Update frequencyWeekly — betterEvery 2 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
Best chart rank#85 — better—
DevicesiPhone, iPad, Mac, Vision Pro — betteriPhone, iPad, iPod
Requires iOS17.015.1 — better
Further details — not scored
Size16 MB30 MB
Age rating4+4+
DeveloperRichard HuveneersDaniel Hanberg Alonso

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

Kalendio

Not enough reviews yet to summarise bugs or requests.

In-app purchases

8 purchases

Disk Decipher

One-time8
  • Small Donation$0.99
  • Medium Donation$1.99
  • exFAT filesystem support$2.99
Show 5 more
  • APFS write license$2.99
  • NTFS write license$2.99
  • HFS write license$2.99
  • Large Donation$3.99
  • All filesystem licenses$7.49
None

Kalendio

No in-app purchases

Questions

Is Disk Decipher free?
Disk Decipher costs $0.99, and also offers in-app purchases.
Is Kalendio free?
Kalendio is free to download, with no in-app purchases.
Do Disk Decipher or Kalendio have ads?
Neither Disk Decipher nor Kalendio shows ads.
Which is updated more often, Disk Decipher or Kalendio?
Disk Decipher ships an update weekly, and Kalendio every 2 months. Most recently, Disk Decipher was updated on October 21, 2026 and Kalendio on October 12, 2026.

Other comparisons