# Ai vs Kai

The clearest difference is rating: Kai at 5.0 against Ai's 4.5. Kai also leads on update cadence (every 3 days vs monthly) and iOS requirement (15.3 vs 18.6). On price, ratings volume, ads and in-app purchases there is nothing between them.

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

Kai holds the better App Store score, 5.0 against 4.5. Both are backed by a comparable volume of ratings — 2 and 4 respectively.

Ai ships an update monthly, Kai every 3 days. The most recent releases landed on October 30, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Ai | Kai |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (2 ratings)](https://appshunter.io/ios/app/ai-open-source-ai-assistant/id6755691873/reviews) | **[5.0 (4 ratings)](https://appshunter.io/ios/app/kai-ai/id6758148023/reviews)** |
| Number of ratings | 2 | **4** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 days** |
| Monetization | Free | Free |
| Size | 6 MB | 127 MB |
| Requires iOS | 18.6 | **15.3** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Michal Jach](https://appshunter.io/developer/1474348197) | [Simon Schubert](https://appshunter.io/developer/1219649975) |

## What reviewers say

### Ai

[App page](https://appshunter.io/ios/app/ai-open-source-ai-assistant/id6755691873)

Access advanced AI models privately on your iPhone or iPad. Connect to your Gemini server to chat, generate content, and analyze text with complete control over your data.

**Highlights:** Private Gemini server connection, Run large AI models, Content generation, Text analysis, Customizable AI workflows, iPhone and iPad support

**Features:** macOS Compatibility

**In-app purchases:** none


### Kai

[App page](https://appshunter.io/ios/app/kai-ai/id6758148023)

This open-source AI companion offers fast, simple, and private chat experiences powered by models like Llama and Gemini. It's designed for quick answers, brainstorming, writing, and learning with a minimalist interface.

**Highlights:** Blazing fast AI responses, Minimalist and intuitive interface, Open-source and transparent code, Choice of AI models (Llama, Gemini), Context-aware multi-turn conversations, Privacy-focused, no user tracking

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

**In-app purchases:** none


## Frequently asked questions

### Is Ai free?

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

### Is Kai free?

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

### Which has better reviews, Ai or Kai?

Kai is rated higher. Ai averages 4.5 out of 5 from 2 ratings, while Kai averages 5.0 from 4 ratings.

### Do Ai or Kai have ads?

Neither Ai nor Kai shows ads.

### Which is updated more often, Ai or Kai?

Ai ships an update monthly, and Kai every 3 days. Most recently, Ai was updated on October 30, 2026 and Kai on November 3, 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.*