# Vastfit vs ZTplus

The clearest difference is rating: Vastfit at 2.9 against ZTplus's 2.5. Vastfit also leads on ratings volume (22 vs 4). On price, review sentiment, update cadence 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.

Vastfit holds the better App Store score, 2.9 against 2.5. That said, the two scores are not equally well evidenced: Vastfit has 22 ratings behind it against 4, so its average is the more settled of the two. Written reviews split almost evenly too, at 20% and 20% positive.

Vastfit ships an update every 3 months, ZTplus every 2 months. The most recent releases landed on October 7, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Vastfit | ZTplus |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.9 (22 ratings)](https://appshunter.io/ios/app/vastfit/id1621451616/reviews)** | [2.5 (4 ratings)](https://appshunter.io/ios/app/ztplus/id6498890705/reviews) |
| Number of ratings | **22** | 4 |
| Positive reviews | 20.0% of reviews | 20.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | Free | Free |
| Size | 221 MB | 193 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Shenzhen Weir Health Technology Co., Ltd](https://appshunter.io/developer/1548880933) | [Shenzhen ZhanTuan technology Co., LTD](https://appshunter.io/developer/1717019206) |

## 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


### ZTplus

[App page](https://appshunter.io/ios/app/ztplus/id6498890705)

This app connects to Bluetooth smartwatches to track various sports activities and health metrics. It monitors steps, heart rate, sleep, and provides personalized fitness plans to improve well-being. Multilingual support enhances user understanding of fitness data.

**Highlights:** Bluetooth smartwatch integration, Sports activity tracking (steps, runs, cycles), Health stats monitoring (heart rate, sleep), Personalized fitness plans, Multilingual support

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Vastfit free?

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

### Is ZTplus free?

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

### Which has better reviews, Vastfit or ZTplus?

Vastfit is rated higher. Vastfit averages 2.9 out of 5 from 22 ratings, while ZTplus averages 2.5 from 4 ratings.

### Do Vastfit or ZTplus have ads?

Neither Vastfit nor ZTplus shows ads.

### Which is updated more often, Vastfit or ZTplus?

Vastfit ships an update every 3 months, and ZTplus every 2 months. Most recently, Vastfit was updated on October 7, 2026 and ZTplus on October 10, 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.*