# Vastfit vs Micro Fit

The clearest difference is rating: Micro Fit at 3.0 against Vastfit's 2.7. Micro Fit also leads on update cadence (every 3 weeks vs every 3 months) and iOS requirement (10.0 vs 12.0). On price, review sentiment, ratings volume and ads there is nothing between them.

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

Micro Fit holds the better App Store score, 3.0 against 2.7. Both are backed by a comparable volume of ratings — 25 and 12 respectively. Written reviews point the same way: 20% of Vastfit's written reviews are positive against 25% of Micro Fit's.

Vastfit ships an update every 3 months, Micro Fit every 3 weeks. Both last shipped on October 24, 2026.

## The numbers

| Metric | Vastfit | Micro Fit |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.7 (25 ratings)](https://appshunter.io/ios/app/vastfit/id1621451616/reviews) | **[3.0 (12 ratings)](https://appshunter.io/ios/app/micro-fit/id1626934619/reviews)** |
| Number of ratings | **25** | 12 |
| Positive reviews | 20.0% of reviews | **25.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 221 MB | 222 MB |
| Requires iOS | 12.0 | **10.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Shenzhen Weir Health Technology Co., Ltd](https://appshunter.io/developer/1548880933) | [吉 綦](https://appshunter.io/developer/1624646297) |

## 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. It allows for watch customization, notification management, and setting health and activity goals. Users can also initiate health measurements and track outdoor sports with GPS.

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

**In-app purchases:** none


### Micro Fit

[App page](https://appshunter.io/ios/app/micro-fit/id1626934619)

This app helps you understand and manage your health by syncing with your smartwatch. It provides detailed analysis of your activity data, offering personalized health guidance based on your steps and distance. Seamless integration with HealthKit ensures a comprehensive view of your fitness journey.

**Highlights:** Smartwatch data binding, Step and distance tracking, Detailed exercise record analysis, HealthKit data synchronization, Weight and motion data import

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Vastfit free?

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

### Is Micro Fit free?

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

### Which has better reviews, Vastfit or Micro Fit?

Micro Fit is rated higher. Vastfit averages 2.7 out of 5 from 25 ratings, while Micro Fit averages 3.0 from 12 ratings.

### Do Vastfit or Micro Fit have ads?

Neither Vastfit nor Micro Fit shows ads.

### Which is updated more often, Vastfit or Micro Fit?

Vastfit ships an update every 3 months, and Micro Fit every 3 weeks. Most recently, Vastfit was updated on October 24, 2026 and Micro Fit 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.*