# Darlin vs Kai

The clearest difference is in-app purchases: Darlin at none against Kai's 1. Darlin also leads on ads (none vs shown) and iOS requirement (13.0 vs 15.0). On price, update cadence and device support there is nothing between them.

Both are free to download. Kai sells 1 one-off in-app purchase. Darlin asks for nothing beyond the download.

Darlin ships an update every 3 weeks, Kai every 2 weeks. The most recent releases landed on October 24, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Darlin | Kai |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/darlin/id6502744160/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 weeks | **Every 2 weeks** |
| Monetization | Free | — |
| Size | 360 MB | 424 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 9+ |
| Developer | [Wonders.ai Ltd](https://appshunter.io/developer/1578823968) | [Ali Sezer](https://appshunter.io/developer/6813983138) |

## What reviewers say

### Darlin

[App page](https://appshunter.io/ios/app/darlin/id6502744160)

This AI companion app learns and evolves with you, adapting to your personality and remembering interactions. Customize its appearance, voice, and personality for lifelike conversations and immersive AR experiences. It requires a separate computer app to access its full features.

**Highlights:** Learns and evolves with user, Adapts to personality, Remembers interactions, Customizable appearance, voice, and personality, Lifelike conversations, Immersive AR experiences

**Features:** macOS Compatibility

**In-app purchases:** none


### Kai

[App page](https://appshunter.io/ios/app/kai-medallion-chase/id6813983136)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $2.99 | one-time |


## Frequently asked questions

### Is Darlin free?

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

### Is Kai free?

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

### Do Darlin or Kai have ads?

Kai shows ads; Darlin does not.

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

Darlin ships an update every 3 weeks, and Kai every 2 weeks. Most recently, Darlin was updated on October 24, 2026 and Kai on October 31, 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.*