# Private AI vs Poly_Chat

The clearest difference is price: Poly_Chat at Free against Private AI's $4.99. Poly_Chat also leads on iOS requirement (16.2 vs 26.0). Private AI's advantage is update cadence (every 2 days vs every 9 days). On ads, in-app purchases and device support there is nothing between them.

Poly_Chat is free to download; Private AI costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Private AI ships an update every 2 days, Poly_Chat every 9 days. Both last shipped on October 6, 2026.

## The numbers

| Metric | Private AI | Poly_Chat |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | **[3.5 (2 ratings)](https://appshunter.io/ios/app/private-ai-document-chat/id6757301317/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 9 days |
| Monetization | Paid | — |
| Size | 6 MB | 31 MB |
| Requires iOS | 26.0 | **16.2** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | +12 | 12+ |
| Developer | [GTechnologies LLC](https://appshunter.io/developer/1813624050) | [George Hunn](https://appshunter.io/developer/1739141778) |

## What reviewers say

### Private AI

[App page](https://appshunter.io/ios/app/private-ai-document-chat/id6757301317)

This AI assistant operates entirely offline on your device, ensuring 100% data privacy. It allows you to chat with your documents using specialized AI experts and custom prompts, without any internet connection or data uploads.

**Highlights:** 100% private and offline operation, Chat with PDFs, code, spreadsheets, and more, 25 specialized AI experts and custom prompts, No subscriptions or in-app purchases, Leverages Apple Intelligence models, Zero tracking and zero data uploads

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Poly_Chat

[App page](https://appshunter.io/ios/app/poly-chat/id6761107189)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Private AI free?

Private AI costs $4.99, with no in-app purchases.

### Is Poly_Chat free?

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

### Do Private AI or Poly_Chat have ads?

Neither Private AI nor Poly_Chat shows ads.

### Which is updated more often, Private AI or Poly_Chat?

Private AI ships an update every 2 days, and Poly_Chat every 9 days. Most recently, Private AI was updated on October 6, 2026 and Poly_Chat on October 6, 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.*