# Tree Station vs Zukka

The clearest difference is update cadence: Zukka at every 3 weeks against Tree Station's every 6 weeks. Tree Station's advantage is iOS requirement (13.3 vs 16.2). 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.

Tree Station ships an update every 6 weeks, Zukka every 3 weeks. The most recent releases landed on October 3, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | Tree Station | Zukka |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.4 (64 ratings)](https://appshunter.io/ios/app/zukka/id6743448282/reviews)** |
| Number of ratings | — | **64** |
| Positive reviews | — | 75.8% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 3 weeks** |
| Monetization | — | Free |
| Size | 37 MB | 116 MB |
| Requires iOS | **13.3** | 16.2 |
| Devices | iPhone, iPod | **iPhone, iPad, Apple Watch** |
| Age rating | 17+ | 4+ |
| Developer | [GRAND Limited](https://appshunter.io/developer/1513149056) | [Ihor Zhvanko](https://appshunter.io/developer/1802934002) |

## What reviewers say

### Tree Station

[App page](https://appshunter.io/ios/app/tree-station/id1613037367)

**Features:** macOS Compatibility

**In-app purchases:** none


### Zukka

[App page](https://appshunter.io/ios/app/zukka/id6743448282)

This app displays real-time blood glucose data from continuous glucose monitoring (CGM) systems. It tracks glucose, insulin, and activity, offering widgets and Apple Health integration. It connects via Bluetooth to devices like Dexcom and FreeStyle Libre.

**Highlights:** Real-time glucose tracking, Insulin tracking, Activity and exercise logging, Widgets and watch app support, Apple Health integration, Bluetooth CGM connectivity

**Features:** Apple Watch app

**In-app purchases:** none


## Frequently asked questions

### Is Tree Station free?

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

### Is Zukka free?

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

### Do Tree Station or Zukka have ads?

Neither Tree Station nor Zukka shows ads.

### Which is updated more often, Tree Station or Zukka?

Tree Station ships an update every 6 weeks, and Zukka every 3 weeks. Most recently, Tree Station was updated on October 3, 2026 and Zukka on October 20, 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.*