# Kai vs PPQ

The clearest difference is in-app purchases: Kai at none against PPQ's 4. Kai also leads on update cadence (every 3 days vs every 3 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. PPQ sells 4 one-off in-app purchases. Kai asks for nothing beyond the download.

Kai ships an update every 3 days, PPQ every 3 weeks. Both last shipped on October 24, 2026.

## The numbers

| Metric | Kai | PPQ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/kai-ai/id6758148023/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 3 weeks |
| Monetization | Free | — |
| Size | 127 MB | 53 MB |
| Requires iOS | 15.3 | **15.1** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 9+ |
| Developer | [Simon Schubert](https://appshunter.io/developer/1219649975) | [New Caird Technologies, Inc.](https://appshunter.io/developer/1867243310) |

## What reviewers say

### 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


### PPQ

[App page](https://appshunter.io/ios/app/ppq/id6779657927)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| $3.50 credits | $4.99 | one-time |
| $7.00 credits | $9.99 | one-time |
| $17.50 credits | $24.99 | one-time |
| $35.00 credits | $49.99 | one-time |


## Frequently asked questions

### Is Kai free?

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

### Is PPQ free?

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

### Do Kai or PPQ have ads?

Neither Kai nor PPQ shows ads.

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

Kai ships an update every 3 days, and PPQ every 3 weeks. Most recently, Kai was updated on October 24, 2026 and PPQ 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.*