# Haiz vs KiuboFit

The clearest difference is update cadence: KiuboFit at every 4 days against Haiz's every 11 months. Haiz's advantage is iOS requirement (12 vs 15.6). 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.

Haiz ships an update every 11 months, KiuboFit every 4 days. The most recent releases landed on October 11, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Haiz | KiuboFit |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 38.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 11 months | **Every 4 days** |
| Monetization | Free | — |
| Size | 303 MB | 70 MB |
| Requires iOS | **12** | 15.6 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Yong Hong](https://appshunter.io/developer/1575310922) | [Manuel Alejandro Reyes Bustos](https://appshunter.io/developer/1826609663) |

## What reviewers say

### Haiz

[App page](https://appshunter.io/ios/app/haiz/id1575310920)

Connect to your smartwatch to track fitness data, sleep quality, and set alarms. Visualize your progress with detailed graphs to enhance workouts. Manage synchronized devices, notifications, and software updates.

**Highlights:** Smartwatch pairing and connection, Fitness and calorie tracking, Sleep quality monitoring, Detailed progress graphs, Device management and notifications, Apple Health integration

**In-app purchases:** none


### KiuboFit

[App page](https://appshunter.io/ios/app/kiubofit/id6779248387)

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

**In-app purchases:** none


## Frequently asked questions

### Is Haiz free?

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

### Is KiuboFit free?

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

### Do Haiz or KiuboFit have ads?

Neither Haiz nor KiuboFit shows ads.

### Which is updated more often, Haiz or KiuboFit?

Haiz ships an update every 11 months, and KiuboFit every 4 days. Most recently, Haiz was updated on October 11, 2026 and KiuboFit on October 2, 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.*