# Disk Decipher vs On‑Device AI

The clearest difference is price: On‑Device AI at Free against Disk Decipher's $0.99. Disk Decipher's advantage is chart position (#123 vs unranked) and update cadence (weekly vs every 2 weeks). On rating, ratings volume, ads and in-app purchases there is nothing between them.

On‑Device AI is free to download; Disk Decipher costs $0.99 up front. Disk Decipher sells 8 one-off in-app purchases and On‑Device AI sells 4 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

Disk Decipher holds the better App Store score, 4.6 against 4.4. Both are backed by a comparable volume of ratings — 91 and 162 respectively. Written reviews point the same way: 72% of Disk Decipher's written reviews are positive against 64% of On‑Device AI's.

Disk Decipher ships an update weekly, On‑Device AI every 2 weeks. The most recent releases landed on September 24, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | Disk Decipher | On‑Device AI |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[4.6 (91 ratings)](https://appshunter.io/ios/app/disk-decipher/id516538625/reviews)** | [4.4 (162 ratings)](https://appshunter.io/ios/app/ondevice-aiprivate-workspace/id6497060890/reviews) |
| Number of ratings | 91 | **162** |
| Positive reviews | **72.2% of reviews** | 63.6% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Every 2 weeks |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Best chart rank | **#123** | — |
| Size | 16 MB | 1.8 GB |
| Requires iOS | **17.0** | 18.0 |
| Devices | iPhone, iPad, Mac, Vision Pro | iPhone, iPad, Mac, Vision Pro |
| Age rating | 4+ | 17+ |
| Developer | [Richard Huveneers](https://appshunter.io/developer/516538628) | [Zijie Deng](https://appshunter.io/developer/1070117038) |

## What reviewers say

### Disk Decipher

[App page](https://appshunter.io/ios/app/disk-decipher/id516538625)

**Currently charting:** #123 Top Paid · Utilities (US App Store)

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

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Small Donation | $0.99 | one-time |
| Medium Donation | $1.99 | one-time |
| exFAT filesystem support | $2.99 | one-time |
| APFS write license | $2.99 | one-time |
| NTFS write license | $2.99 | one-time |
| HFS write license | $2.99 | one-time |
| Large Donation | $3.99 | one-time |
| All filesystem licenses | $7.49 | one-time |

**What reviewers like**

- 🚀 Works great with VeraCrypt/TrueCrypt
- 🔒 Secure access to encrypted data
- 👍 Convenient mobile access to encrypted files
- 🚀 Allows access to encrypted data across devices
- 👍 Well-designed app with good features

**What reviewers complain about**

- 🐛 Occasional crashes or issues with certain file types
- 💰 Hidden costs for some file system support
- 🔒 Lacks support for keyfiles with VeraCrypt
- 👤 Poor customer support or communication from developer

**Reported bugs**

- Issues with mounting/opening encrypted containers
- Problems with file deletion or management within containers
- Incompatibility with certain VeraCrypt/TrueCrypt features

**Requested features**

- 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


### On‑Device AI

[App page](https://appshunter.io/ios/app/ondevice-aiprivate-workspace/id6497060890)

Transform your device into a private AI assistant for meetings and complex tasks. Features include speaker diarization, live transcription, and specialized subagents for research, analysis, and writing. Control your AI via messaging apps, with options for 100% offline processing or cloud connectivity.

**Highlights:** Speaker Diarization for meeting transcripts, Real-time live transcription, Natural AI speech generation, Deploy specialized AI subagents, AI-powered web browser automation, Control AI via messaging apps, 100% offline processing option

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Member Subscription | $3.99 | per month |
| Pro Member Subscription | $34.99 | per year |
| Lifetime Pro Member | $49.99 | one-time |
| Lifetime Pro Member | $99.99 | one-time |

**What reviewers like**

- 🚀 Game-changing AI assistant
- 🔍 Powerful search functionality
- 👍 Customizable and versatile
- 🌐 Seamless multi-device experience
- 💡 Innovative character-based interactions

**What reviewers complain about**

- 🐛 Crashes on larger models
- 🔋 Heating issues on some devices
- 🔍 Slow and unreliable web search
- 💻 Buggy on macOS

**Reported bugs**

- Crashes on startup
- Model selection issues
- Inability to copy generated text

**Requested features**

- Automated multi-character conversations
- Character set saving and syncing
- Streamlined search integration
- UI optimization for icons
- Remote endpoint support for multi-agents


## Frequently asked questions

### Is Disk Decipher free?

Disk Decipher costs $0.99, and also offers in-app purchases.

### Is On‑Device AI free?

On‑Device AI is free to download, with in-app purchases available.

### Which has better reviews, Disk Decipher or On‑Device AI?

Disk Decipher is rated higher. Disk Decipher averages 4.6 out of 5 from 91 ratings, while On‑Device AI averages 4.4 from 162 ratings.

### Do Disk Decipher or On‑Device AI have ads?

Neither Disk Decipher nor On‑Device AI shows ads.

### Which is updated more often, Disk Decipher or On‑Device AI?

Disk Decipher ships an update weekly, and On‑Device AI every 2 weeks. Most recently, Disk Decipher was updated on September 24, 2026 and On‑Device AI on September 22, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*