# Tess AI vs D2UN Chat

The clearest difference is update cadence: D2UN Chat at every 3 weeks against Tess AI's every 2 months. Tess AI's advantage is iOS requirement (13.0 vs 16.4). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Tess AI ships an update every 2 months, D2UN Chat every 3 weeks. The most recent releases landed on November 5, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Tess AI | D2UN Chat |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.3 (7 ratings)](https://appshunter.io/ios/app/tess-ai/id6744921251/reviews)** | — |
| Number of ratings | **7** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 57 MB | 54 MB |
| Requires iOS | **13.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Pareto Tecnologia E Marketing Ltda](https://appshunter.io/developer/1738882347) | [Bradial](https://appshunter.io/developer/1870931414) |

## What reviewers say

### Tess AI

[App page](https://appshunter.io/ios/app/tess-ai/id6744921251)

Access and create AI agents from over 200 leading models in a single, secure workspace. Analyze documents, generate media, and build custom agents for your business needs. Enhance productivity and creativity with enterprise-grade security.

**Highlights:** Access 200+ AI models, Collaborate with multiple agents, Analyze PDFs, spreadsheets, websites, Generate images, video, audio, Create custom AI agents, Enterprise-grade security

**Features:** macOS Compatibility

**In-app purchases:** none


### D2UN Chat

[App page](https://appshunter.io/ios/app/d2un-chat/id6793635324)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Tess AI free?

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

### Is D2UN Chat free?

D2UN Chat is free to download, with no in-app purchases.

### Do Tess AI or D2UN Chat have ads?

Neither Tess AI nor D2UN Chat shows ads.

### Which is updated more often, Tess AI or D2UN Chat?

Tess AI ships an update every 2 months, and D2UN Chat every 3 weeks. Most recently, Tess AI was updated on November 5, 2026 and D2UN Chat 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.*