# Zukka vs FatigueSense

The clearest difference is update cadence: FatigueSense at daily against Zukka's every 3 weeks. On price, rating, review sentiment and ratings volume there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 4.4 for Zukka against 4.5 for FatigueSense. Both are backed by a comparable volume of ratings — 64 and 38 respectively. Written reviews are what separate them: 75% of Zukka's written reviews are positive against 81% of FatigueSense's.

Zukka ships an update every 3 weeks, FatigueSense daily. The most recent releases landed on October 30, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Zukka | FatigueSense |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (64 ratings)](https://appshunter.io/ios/app/zukka/id6743448282/reviews) | **[4.5 (38 ratings)](https://appshunter.io/ios/app/fatiguesense/id6759190693/reviews)** |
| Number of ratings | **64** | 38 |
| Positive reviews | 74.6% of reviews | **81.4% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Daily** |
| Monetization | Free | Free |
| Size | 119 MB | 48 MB |
| Requires iOS | **16.2** | 17.0 |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 17+ |
| Developer | [Ihor Zhvanko](https://appshunter.io/developer/1802934002) | [Nana Abaogye](https://appshunter.io/developer/1787898108) |

## What reviewers say

### 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


### FatigueSense

[App page](https://appshunter.io/ios/app/fatiguesense/id6759190693)

This app helps you understand and manage your energy levels by linking wearable data with daily check-ins. It provides insights into activity, recovery, and fatigue to help you pace your days and avoid crashing. Designed for individuals managing persistent fatigue conditions.

**Highlights:** Daily energy budget tracking, Early PEM signal alerts, Strain, recovery, HRV, RHR, and sleep tracking, Activity planning within energy envelope, Crash logging and individual pattern learning, Wearable device integration (Apple Watch, Oura, Garmin, etc.), Manual daily entry option

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Zukka free?

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

### Is FatigueSense free?

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

### Which has better reviews, Zukka or FatigueSense?

FatigueSense is rated higher. Zukka averages 4.4 out of 5 from 64 ratings, while FatigueSense averages 4.5 from 38 ratings.

### Do Zukka or FatigueSense have ads?

Neither Zukka nor FatigueSense shows ads.

### Which is updated more often, Zukka or FatigueSense?

Zukka ships an update every 3 weeks, and FatigueSense daily. Most recently, Zukka was updated on October 30, 2026 and FatigueSense on October 28, 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.*