# Segment Anything vs On‑Device AI

The clearest difference is rating: On‑Device AI at 4.4 against Segment Anything's 3.7. On‑Device AI also leads on ratings volume (162 vs 3) and device support (4 vs 2). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Segment Anything sells 1 one-off in-app purchase 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.

On‑Device AI holds the better App Store score, 4.4 against 3.7. That said, the two scores are not equally well evidenced: On‑Device AI has 162 ratings behind it against 3, so its average is the more settled of the two.

Segment Anything ships an update every 3 weeks, On‑Device AI every 2 weeks. The most recent releases landed on September 15, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | Segment Anything | On‑Device AI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.7 (3 ratings)](https://appshunter.io/ios/app/segment-anything/id6447527235/reviews) | **[4.4 (162 ratings)](https://appshunter.io/ios/app/ondevice-aiprivate-workspace/id6497060890/reviews)** |
| Number of ratings | 3 | **162** |
| Positive reviews | — | 63.6% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 2 weeks** |
| Monetization | Freemium | Free with in-app purchases |
| Size | 77 MB | 1.8 GB |
| Requires iOS | 18.0 | 18.0 |
| Devices | iPhone, iPad | **iPhone, iPad, Mac, Vision Pro** |
| Age rating | 4+ | 17+ |
| Developer | [嘉琦 沈](https://appshunter.io/developer/1667433887) | [Zijie Deng](https://appshunter.io/developer/1070117038) |

## What reviewers say

### Segment Anything

[App page](https://appshunter.io/ios/app/segment-anything/id6447527235)

Perform advanced image segmentation directly on your device without needing an internet connection. This utility offers on-device processing for smooth performance, with a Pro mode unlocking enhanced features for greater control and flexibility in image editing.

**Highlights:** On-device image segmentation, Offline functionality, Optimized for mobile performance, Pro mode with enhanced features, Download cutout images, Flexible mask editing

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PRO Mode | $1.99 | one-time |


### 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 Segment Anything free?

Segment Anything is free to download, with in-app purchases available.

### Is On‑Device AI free?

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

### Which has better reviews, Segment Anything or On‑Device AI?

On‑Device AI is rated higher. Segment Anything averages 3.7 out of 5 from 3 ratings, while On‑Device AI averages 4.4 from 162 ratings.

### Do Segment Anything or On‑Device AI have ads?

Neither Segment Anything nor On‑Device AI shows ads.

### Which is updated more often, Segment Anything or On‑Device AI?

Segment Anything ships an update every 3 weeks, and On‑Device AI every 2 weeks. Most recently, Segment Anything was updated on September 15, 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.*