# Haiz vs Next Fit Pro

The clearest difference is update cadence: Next Fit Pro at weekly against Haiz's every 11 months. Haiz's advantage is review sentiment (38% vs 24%) and iOS requirement (12 vs 15.1). On price, ads, in-app purchases and monetization model 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, Next Fit Pro weekly. Both last shipped on October 24, 2026.

## The numbers

| Metric | Haiz | Next Fit Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (1 ratings)](https://appshunter.io/ios/app/haiz/id1575310920/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | **38.0% of reviews** | 24.1% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 11 months | **Weekly** |
| Monetization | Free | Free |
| Size | 303 MB | 59 MB |
| Requires iOS | **12** | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | +4 |
| Developer | [Yong Hong](https://appshunter.io/developer/1575310922) | [DLG TECNOLOGIA LTDA](https://appshunter.io/developer/1360859050) |

## 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


### Next Fit Pro

[App page](https://appshunter.io/ios/app/next-fit-pro/id1587966162)

Manage client registrations, sales, and schedules. Create personalized workouts and manage WODs. Track performance indicators and receive payments.

**Highlights:** Performance indicator tracking, Client management, Sales and payment processing, Workout and WOD creation, Schedule management

**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 Next Fit Pro free?

Next Fit Pro is free to download, with no in-app purchases.

### Do Haiz or Next Fit Pro have ads?

Neither Haiz nor Next Fit Pro shows ads.

### Which is updated more often, Haiz or Next Fit Pro?

Haiz ships an update every 11 months, and Next Fit Pro weekly. Most recently, Haiz was updated on October 24, 2026 and Next Fit Pro 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.*