# Vastfit vs Doufit Pro

The clearest difference is ads: Doufit Pro at none against Vastfit's shown. Doufit Pro also leads on review sentiment (50% vs 17%) and update cadence (every 4 weeks vs every 3 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

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

Vastfit ships an update every 3 months, Doufit Pro every 4 weeks. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Vastfit | Doufit Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.7 (25 ratings)](https://appshunter.io/ios/app/vastfit/id1621451616/reviews)** | — |
| Number of ratings | **25** | — |
| Positive reviews | 16.7% of reviews | **50.0% of reviews** |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | **Every 4 weeks** |
| Monetization | Ad-supported | **Free** |
| Size | 207 MB | 228 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Shenzhen Weir Health Technology Co., Ltd](https://appshunter.io/developer/1548880933) | [Shenzhen United Power Technology Co., Ltd.](https://appshunter.io/developer/1447215451) |

## What reviewers say

### Vastfit

[App page](https://appshunter.io/ios/app/vastfit/id1621451616)

This app syncs data from a compatible smartwatch, displaying daily activity, health metrics, and sleep patterns. Users can customize watch settings, manage notifications, and set health goals. It also supports GPS tracking for various sports activities.

**Highlights:** Automatic data synchronization, Daily, weekly, monthly activity graphs, Health metrics tracking (heart rate, SpO2, etc.), Sleep data analysis, Watch customization and settings, Notification management, GPS sports tracking

**In-app purchases:** none


### Doufit Pro

[App page](https://appshunter.io/ios/app/doufit-pro/id6739606789)

Track your daily activity, sleep patterns, and set fitness goals. Receive important notifications and use smart reminders for a healthier lifestyle. View detailed reports of your progress over time.

**Highlights:** Exercise tracking and goal setting, Sleep duration and quality monitoring, Find your phone via bracelet, Call and message notifications, Smart alarm and sedentary reminders, Remote camera control, Daily, weekly, and monthly data reports

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

**In-app purchases:** none


## Frequently asked questions

### Is Vastfit free?

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

### Is Doufit Pro free?

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

### Do Vastfit or Doufit Pro have ads?

Vastfit shows ads; Doufit Pro does not.

### Which is updated more often, Vastfit or Doufit Pro?

Vastfit ships an update every 3 months, and Doufit Pro every 4 weeks. Most recently, Vastfit was updated on November 3, 2026 and Doufit Pro on October 30, 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.*