# ZDfit vs Refit Pro

ZDfit and Refit Pro are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

ZDfit ships an update monthly, Refit Pro every 2 months. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | ZDfit | Refit Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.1 (75 ratings)](https://appshunter.io/ios/app/zdfit/id1669208807/reviews)** | — |
| Number of ratings | **75** | — |
| Positive reviews | 19.1% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 2 months |
| Monetization | Free | — |
| Size | 250 MB | 47 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Shenzhen Zhongdong Technology Co., Ltd.](https://appshunter.io/developer/1669208809) | [Mach Fitness Lab](https://appshunter.io/developer/1715278709) |

## What reviewers say

### ZDfit

[App page](https://appshunter.io/ios/app/zdfit/id1669208807)

This app pairs with a smartwatch to provide real-time fitness tracking, including steps, distance, and calories. It also monitors sleep quality and displays notifications from your smartphone, all while integrating with Apple Health.

**Highlights:** Real-time sports performance monitoring, Step, distance, and calorie tracking, Sleep quality monitoring, Smartphone notifications (SMS, calls), Multi-sport activity tracking, Apple Health integration

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 👍 Good for basic watch functions
- 👍 Ability to change watch faces works well
- 👍 Altimeter, compass, and pressure functions are invaluable for flying/hiking
- 👍 Easy app setup
- 👍 Can do it all, plethora of options

**What reviewers complain about**

- 🐛 Will not charge
- 🐛 Lacking features when everything is turned off
- 🐛 Some functions don’t work (editing dial)
- 🐛 Trajectory issues, fails to push
- 🐛 Does not perform as advertised (no voice assistant, weather, calling)

**Reported bugs**

- Will not charge
- Trajectory push fails
- Wallpaper download fails
- Bluetooth linking fails
- Watch not updating without app

**Requested features**

- Add voice assistant
- Add weather data
- Enable calling out and answering phone calls
- Improve dial editing functionality
- Improve trajectory push functionality


### Refit Pro

[App page](https://appshunter.io/ios/app/refit-pro/id6757340698)

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

**In-app purchases:** none


## Frequently asked questions

### Is ZDfit free?

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

### Is Refit Pro free?

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

### Do ZDfit or Refit Pro have ads?

Neither ZDfit nor Refit Pro shows ads.

### Which is updated more often, ZDfit or Refit Pro?

ZDfit ships an update monthly, and Refit Pro every 2 months. Most recently, ZDfit was updated on November 3, 2026 and Refit Pro on October 31, 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.*