# YINMIK vs Mars Legacy

The clearest difference is rating: YINMIK at 1.9 against Mars Legacy's 1.3. Mars Legacy's advantage is ratings volume (71 vs 23). 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.

YINMIK holds the better App Store score, 1.9 against 1.3. Both are backed by a comparable volume of ratings — 23 and 71 respectively. Written reviews point the same way: 15% of YINMIK's written reviews are positive against 12% of Mars Legacy's.

YINMIK ships an update every 6 weeks, Mars Legacy monthly. Both last shipped on November 3, 2026.

## The numbers

| Metric | YINMIK | Mars Legacy |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.9 (23 ratings)](https://appshunter.io/ios/app/yinmik/id1590106540/reviews)** | [1.3 (71 ratings)](https://appshunter.io/ios/app/mars-legacy/id1612237275/reviews) |
| Number of ratings | 23 | **71** |
| Positive reviews | **15.0% of reviews** | 12.2% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Monthly** |
| Monetization | Free | Free |
| Size | 60 MB | 59 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Huiquan Electronic](https://appshunter.io/developer/1590106542) | [MARS TRADING RCC, INC.](https://appshunter.io/developer/1726858942) |

## What reviewers say

### YINMIK

[App page](https://appshunter.io/ios/app/yinmik/id1590106540)

This utility app facilitates the easy recording and real-time transmission of test data via Bluetooth. It offers features like data calibration, automatic or manual saving, and sharing to popular messaging platforms, along with access to a product catalog.

**Highlights:** Simple installation and operation, Real-time Bluetooth data transmission, Customizable calibration points, Automatic and manual data saving, Data sharing to third-party platforms, Product catalog access

**Features:** macOS Compatibility

**In-app purchases:** none


### Mars Legacy

[App page](https://appshunter.io/ios/app/mars-legacy/id1612237275)

Control and configure your indoor grow lights remotely. Automate growth cycles with custom timers, simulate sunrise and sunset, and manage multiple lights independently from a single device. Compatible with the Mars Hydro Smart Grow System.

**Highlights:** Remote LED light control, Adjustable light intensity, Automatic growth cycle programming, Sunrise/sunset simulation, Wireless multi-light control, Independent lighting group management

**In-app purchases:** none

**What reviewers like**

- ✅ Fan control works reliably
- ⚙️ Basic on/off functionality operational
- 🎯 Good hardware quality (lights and fans)
- 💰 Reasonable price-to-quality ratio
- 📱 App concept is innovative

**What reviewers complain about**

- 🐛 Frequent disconnections (WiFi and Bluetooth)
- ⏱️ Timer functionality completely broken
- 🌅 Sunrise/sunset mode non-functional
- 🎬 Scene/automation features unreliable
- 🔄 App randomly resets or crashes

**Reported bugs**

- App cannot detect Bluetooth despite phone detecting it
- Timer settings do not execute at scheduled times
- Scenes and automation groups fail to work
- WiFi connection drops frequently and reconnection fails
- Light brightness changes unexpectedly without user input

**Requested features**

- Multiple on/off cycles per day for automation
- Daylight saving time adjustment option
- Sunrise/sunset mode with adjustable brightness levels
- Better WiFi stability and range
- Improved app interface and user experience


## Frequently asked questions

### Is YINMIK free?

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

### Is Mars Legacy free?

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

### Which has better reviews, YINMIK or Mars Legacy?

YINMIK is rated higher. YINMIK averages 1.9 out of 5 from 23 ratings, while Mars Legacy averages 1.3 from 71 ratings.

### Do YINMIK or Mars Legacy have ads?

Neither YINMIK nor Mars Legacy shows ads.

### Which is updated more often, YINMIK or Mars Legacy?

YINMIK ships an update every 6 weeks, and Mars Legacy monthly. Most recently, YINMIK was updated on November 3, 2026 and Mars Legacy 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.*