# HAYLOU vs HD Fit Pro

The clearest difference is rating: HD Fit Pro at 3.6 against HAYLOU's 2.9. HD Fit Pro also leads on review sentiment (30% vs 11%). HAYLOU's advantage is update cadence (every 3 days vs every 2 weeks) and iOS requirement (9.0 vs 13.0). On price, ratings volume, ads and in-app purchases there is nothing between them.

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

HD Fit Pro holds the better App Store score, 3.6 against 2.9. Both are backed by a comparable volume of ratings — 74 and 121 respectively. Written reviews point the same way: 11% of HAYLOU's written reviews are positive against 30% of HD Fit Pro's.

HAYLOU ships an update every 3 days, HD Fit Pro every 2 weeks. The most recent releases landed on November 3, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | HAYLOU | HD Fit Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.9 (74 ratings)](https://appshunter.io/ios/app/haylou/id1486710129/reviews) | **[3.6 (121 ratings)](https://appshunter.io/ios/app/hd-fit-pro/id1601611643/reviews)** |
| Number of ratings | 74 | **121** |
| Positive reviews | 11.0% of reviews | **29.8% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 2 weeks |
| Monetization | Free | Free |
| Size | 80 MB | 537 MB |
| Requires iOS | **9.0** | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Dongguan Liesheng Electronic Co.,Ltd.](https://appshunter.io/developer/1479377043) | [Shenzhen Huadafeng Electronics Co., Ltd.](https://appshunter.io/developer/1524150290) |

## What reviewers say

### HAYLOU

[App page](https://appshunter.io/ios/app/haylou/id1486710129)

Track your daily steps, calories burned, and exercise duration with detailed analysis. Monitor your sleep patterns, set fitness goals, and receive intelligent reminders. Manage your TWS headset settings and enjoy a healthier lifestyle.

**Highlights:** Accurate exercise records, Detailed sleep analysis, Pedometer with calorie and distance tracking, GPS route recording, Sleep stage monitoring, Goal setting, Intelligent silent alarm

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

**In-app purchases:** none

**What reviewers like**

- 👍 Good sound quality
- ⏱️ Long battery life
- 🎯 Accurate activity tracking
- 💪 Comfortable fit
- 📊 Quality reports available

**What reviewers complain about**

- 🐛 Frequent app crashes
- 🔌 Poor connectivity issues
- ❌ Registration/verification code failures
- ⚠️ Data synchronization problems
- 🌐 Abandoned/outdated app

**Reported bugs**

- Verification code not being sent
- Registration fails with error messages
- App crashes on startup
- App crashes when accessing heart rate settings
- Device not detected/recognized

**Requested features**

- Add more watch faces
- Custom watch face support
- Weather synchronization settings
- Celsius/Fahrenheit toggle
- Russian language support


### HD Fit Pro

[App page](https://appshunter.io/ios/app/hd-fit-pro/id1601611643)

This smart health app integrates data and services from Bluetooth wearable devices. It tracks various sports activities and monitors daily health metrics like steps and sleep, helping users manage their physical well-being and build healthy routines.

**Highlights:** Bluetooth wearable device integration, Sports data recording (running, cycling, climbing), Step and sleep monitoring, Health data management, Daily exercise tracking, Healthy routine development

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is HAYLOU free?

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

### Is HD Fit Pro free?

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

### Which has better reviews, HAYLOU or HD Fit Pro?

HD Fit Pro is rated higher. HAYLOU averages 2.9 out of 5 from 74 ratings, while HD Fit Pro averages 3.6 from 121 ratings.

### Do HAYLOU or HD Fit Pro have ads?

Neither HAYLOU nor HD Fit Pro shows ads.

### Which is updated more often, HAYLOU or HD Fit Pro?

HAYLOU ships an update every 3 days, and HD Fit Pro every 2 weeks. Most recently, HAYLOU was updated on November 3, 2026 and HD Fit Pro on November 7, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*
