# XtoBird vs Darlin

The clearest difference is review sentiment: XtoBird at 83% against Darlin's 0%. XtoBird also leads on iOS requirement (11.0 vs 13.0). Darlin's advantage is ads (none vs shown) and update cadence (every 3 weeks vs every 4 months). On price, 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.

XtoBird ships an update every 4 months, Darlin every 3 weeks. The most recent releases landed on October 13, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | XtoBird | Darlin |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.0 (1 ratings)](https://appshunter.io/ios/app/darlin/id6502744160/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | **83.3% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 4 months | **Every 3 weeks** |
| Monetization | Ad-supported | **Free** |
| Size | 82 MB | 360 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [GAIBAKO co., Ltd.](https://appshunter.io/developer/1548482925) | [Wonders.ai Ltd](https://appshunter.io/developer/1578823968) |

## What reviewers say

### XtoBird

[App page](https://appshunter.io/ios/app/xtobird/id6455497304)

A free puzzle game where you tap to clear falling "X" shapes as they stack up. Aim for high scores and release blue birds to achieve a sense of satisfaction.

**Highlights:** Tap to clear falling 'X' shapes, Stacking 'X' shapes, High score challenges, Release blue birds, Satisfying gameplay

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

**In-app purchases:** none


### 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


## Frequently asked questions

### Is XtoBird free?

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

### Is Darlin free?

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

### Do XtoBird or Darlin have ads?

XtoBird shows ads; Darlin does not.

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

XtoBird ships an update every 4 months, and Darlin every 3 weeks. Most recently, XtoBird was updated on October 13, 2026 and Darlin 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.*