# bird vs KATERYNA

The clearest difference is update cadence: bird at every 6 days against KATERYNA's every 2 months. KATERYNA's advantage is iOS requirement (15.0 vs 17.0). 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.

bird ships an update every 6 days, KATERYNA every 2 months. The most recent releases landed on October 19, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | bird | KATERYNA |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (477 ratings)](https://appshunter.io/ios/app/bird/id1446261104/reviews)** | — |
| Number of ratings | **477** | — |
| Positive reviews | 72.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 days** | Every 2 months |
| Monetization | Free | — |
| Size | 171 MB | 21 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Birb OU](https://appshunter.io/developer/1722346702) | [MESH Ukraina](https://appshunter.io/developer/1104707952) |

## What reviewers say

### bird

[App page](https://appshunter.io/ios/app/bird/id1446261104)

Discover apartments with an AI-powered assistant that identifies addresses and duplicates. Explore listings on a fast 3D map, covering major Ukrainian cities and London. Get real-time updates on new properties in your preferred areas.

**Highlights:** AI address and duplicate recognition, 70,000+ listings from top sites, Interactive 3D city maps, Subscription for new property alerts, Custom map area drawing tool

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

**In-app purchases:** none


### KATERYNA

[App page](https://appshunter.io/ios/app/kateryna/id1641565963)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is bird free?

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

### Is KATERYNA free?

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

### Do bird or KATERYNA have ads?

Neither bird nor KATERYNA shows ads.

### Which is updated more often, bird or KATERYNA?

bird ships an update every 6 days, and KATERYNA every 2 months. Most recently, bird was updated on October 19, 2026 and KATERYNA on October 17, 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.*