# Auto Audio vs On‑Device AI

The clearest difference is price: On‑Device AI at Free against Auto Audio's $0.99. Auto Audio's advantage is in-app purchases (none vs 4) and iOS requirement (12.0 vs 18.0). On update cadence, ads and device support there is nothing between them.

On‑Device AI is free to download; Auto Audio costs $0.99 up front. On‑Device AI sells 4 in-app purchases, starting at $3.99 per month. Auto Audio asks for nothing beyond the download.

Auto Audio ships an update every 4 weeks, On‑Device AI fortnightly. The most recent releases landed on October 26, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Auto Audio | On‑Device AI |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | — | **[4.4 (162 ratings)](https://appshunter.io/ios/app/ondevice-aiprivate-workspace/id6497060890/reviews)** |
| Number of ratings | — | **162** |
| Positive reviews | — | 63.6% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 weeks | **Fortnightly** |
| Monetization | — | Free with in-app purchases |
| Size | 4 MB | 1.8 GB |
| Requires iOS | **12.0** | 18.0 |
| Devices | iPhone, iPad, iPod, Apple Watch | iPhone, iPad, Mac, Vision Pro |
| Age rating | 4+ | 17+ |
| Developer | [方 沈](https://appshunter.io/developer/882296318) | [Zijie Deng](https://appshunter.io/developer/1070117038) |

## What reviewers say

### Auto Audio

[App page](https://appshunter.io/ios/app/auto-audio/id884502711)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


### 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 Auto Audio free?

Auto Audio costs $0.99, with no in-app purchases.

### Is On‑Device AI free?

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

### Do Auto Audio or On‑Device AI have ads?

Neither Auto Audio nor On‑Device AI shows ads.

### Which is updated more often, Auto Audio or On‑Device AI?

Auto Audio ships an update every 4 weeks, and On‑Device AI fortnightly. Most recently, Auto Audio was updated on October 26, 2026 and On‑Device AI on October 24, 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.*