# Gs Fit vs KDultra

The clearest difference is rating: Gs Fit at 3.2 against KDultra's 1.0. Gs Fit also leads on ratings volume (95 vs 1) and review sentiment (22% vs 0%). KDultra's advantage is in-app purchases (none vs 10) and ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. Gs Fit sells 10 one-off in-app purchases. KDultra asks for nothing beyond the download.

Gs Fit holds the better App Store score, 3.2 against 1.0. That said, the two scores are not equally well evidenced: Gs Fit has 95 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 22% of Gs Fit's written reviews are positive against 0% of KDultra's.

Gs Fit ships an update every 4 weeks, KDultra every 2 months. The most recent releases landed on November 7, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Gs Fit | KDultra |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.2 (95 ratings)](https://appshunter.io/ios/app/gs-fit/id6444860495/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/kdultra/id6450892998/reviews) |
| Number of ratings | **95** | 1 |
| Positive reviews | **22.2% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 4 weeks** | Every 2 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 529 MB | 170 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Shenzhen Guangsu Shidai Technology Co., Ltd](https://appshunter.io/developer/1625325865) | [Shenzhen United Power Technology Co., Ltd.](https://appshunter.io/developer/1447215451) |

## What reviewers say

### Gs Fit

[App page](https://appshunter.io/ios/app/gs-fit/id6444860495)

Manage all your smart devices, from smartwatches to headphones, through a single, intuitive app. It offers quick connections, customizable scenes for different environments, and tracks key health data like steps and weight for a seamless smart life.

**Highlights:** Centralized multi-device management, Quick device pairing and status monitoring, Customizable device scenes, Health data synchronization (steps, weight), Cross-device control

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Meditation Sound Scene | $0.99 | one-time |
| Ordinary dial | $0.99 | one-time |
| Ordinary game | $0.99 | one-time |
| Game membership-month package | $1.99 | one-time |
| Game membership-package season | $2.99 | one-time |
| Gs Fit Monthly card membership | $3.99 | one-time |
| Game membership-package year | $3.99 | one-time |
| Gs Fit Season card membership | $8.99 | one-time |
| Gs Fit Annual card membership | $29.99 | one-time |
| 1800 Minutes Call Package | $59.99 | one-time |


### KDultra

[App page](https://appshunter.io/ios/app/kdultra/id6450892998)

This smart fitness app connects to Bluetooth watches to track your workouts and health metrics. It records activities, monitors heart rate and sleep, and offers personalized plans to help you achieve fitness goals and improve well-being.

**Highlights:** Connects to Bluetooth watches, Tracks exercise data, Monitors heart rate, Records sleep quality, Personalized fitness plans, Multi-language support

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Gs Fit free?

Gs Fit is free to download, with in-app purchases available.

### Is KDultra free?

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

### Which has better reviews, Gs Fit or KDultra?

Gs Fit is rated higher. Gs Fit averages 3.2 out of 5 from 95 ratings, while KDultra averages 1.0 from 1 ratings.

### Do Gs Fit or KDultra have ads?

Gs Fit shows ads; KDultra does not.

### Which is updated more often, Gs Fit or KDultra?

Gs Fit ships an update every 4 weeks, and KDultra every 2 months. Most recently, Gs Fit was updated on November 7, 2026 and KDultra on November 3, 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.*