# Private AI Models vs NyxID

The clearest difference is in-app purchases: NyxID at none against Private AI Models's 3. NyxID also leads on ads (none vs shown). Private AI Models's advantage is update cadence (fortnightly vs every 3 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Private AI Models sells 3 in-app purchases, starting at $4.99 per month. NyxID asks for nothing beyond the download.

Private AI Models ships an update fortnightly, NyxID every 3 months. The most recent releases landed on November 6, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | Private AI Models | NyxID |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/private-ai-models/id6754661513/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Fortnightly** | Every 3 months |
| Monetization | Free with in-app purchases | — |
| Size | 70 MB | 40 MB |
| Requires iOS | 16.4 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Nelson Lai](https://appshunter.io/developer/1477911199) | [ERISED PTE. LTD.](https://appshunter.io/developer/1687044658) |

## What reviewers say

### Private AI Models

[App page](https://appshunter.io/ios/app/private-ai-models/id6754661513)

Engage in AI conversations locally on your device without needing an internet connection or cloud servers. This app allows you to download and run various open AI models, keeping your data private and secure. Chat with documents, understand images, and utilize pre-built assistants for diverse tasks.

**Highlights:** Runs AI models entirely on your phone, Completely offline functionality, Chat with your documents (PDF, text, Markdown), Image understanding and analysis, Step-by-step reasoning visualization, Pre-built AI assistants, On-device text-to-speech

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $4.99 | per month |
| Pro Yearly | $19.99 | per year |
| Pro Lifetime | $39.99 | one-time |


### NyxID

[App page](https://appshunter.io/ios/app/nyxid/id6759768423)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Private AI Models free?

Private AI Models is free to download, with in-app purchases available.

### Is NyxID free?

NyxID is free to download, with no in-app purchases.

### Do Private AI Models or NyxID have ads?

Private AI Models shows ads; NyxID does not.

### Which is updated more often, Private AI Models or NyxID?

Private AI Models ships an update fortnightly, and NyxID every 3 months. Most recently, Private AI Models was updated on November 6, 2026 and NyxID on November 9, 2026.

---

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