# Engbird vs Mars Legacy

The clearest difference is rating: Engbird at 1.8 against Mars Legacy's 1.3. On price, review sentiment, ratings volume and update cadence there is nothing between them.

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

Engbird holds the better App Store score, 1.8 against 1.3. Both are backed by a comparable volume of ratings — 37 and 71 respectively. Written reviews split almost evenly too, at 13% and 12% positive.

Engbird ships an update every 6 weeks, Mars Legacy monthly. The most recent releases landed on October 26, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | Engbird | Mars Legacy |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.8 (37 ratings)](https://appshunter.io/ios/app/engbird/id1282420032/reviews)** | [1.3 (71 ratings)](https://appshunter.io/ios/app/mars-legacy/id1612237275/reviews) |
| Number of ratings | 37 | **71** |
| Positive reviews | **13.1% of reviews** | 12.2% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Monthly** |
| Monetization | Free | Free |
| Size | 17 MB | 59 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Shenzhen Inkbird Technology Co. Ltd](https://appshunter.io/developer/1163595178) | [MARS TRADING RCC, INC.](https://appshunter.io/developer/1726858942) |

## What reviewers say

### Engbird

[App page](https://appshunter.io/ios/app/engbird/id1282420032)

Monitor environmental conditions like temperature and humidity with smart sensors. View real-time and historical data, export it, and manage multiple devices and users. Supports various sampling intervals and multiple languages.

**Highlights:** Real-time temperature and humidity display, Configurable sampling intervals, Historical data viewing (day, week, month, year), CSV data export, Multi-sensor and multi-user support, Multi-language support

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

**In-app purchases:** none

**What reviewers like**

- 🚀 Works well
- 👍 Simple and easy to use
- 👍 Stores historical data
- 👍 Graphs temperature and humidity
- 👍 Bluetooth connectivity works well

**What reviewers complain about**

- 🐛 Crashes on launch after updates
- 🐛 Unreliable connection and data collection
- 🐛 Inaccurate temperature and humidity readings
- 🐛 Graphs and UI are difficult to use
- 🔋 Drains batteries quickly

**Reported bugs**

- App crashes on startup after updates
- Bluetooth connection issues, sensors not detected
- Temperature and humidity values displayed incorrectly
- Graph time scales do not match actual data
- Sensor names not displayed in app

**Requested features**

- Add push notifications for temperature/humidity alerts
- Improve graph functionality (zoom, customize, etc.)
- Allow calibration of temperature and humidity sensors
- Provide more detailed historical data export options
- Add support for multiple sensors/devices in one view


### 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 Engbird free?

Engbird 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, Engbird or Mars Legacy?

Engbird is rated higher. Engbird averages 1.8 out of 5 from 37 ratings, while Mars Legacy averages 1.3 from 71 ratings.

### Do Engbird or Mars Legacy have ads?

Neither Engbird nor Mars Legacy shows ads.

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

Engbird ships an update every 6 weeks, and Mars Legacy monthly. Most recently, Engbird was updated on October 26, 2026 and Mars Legacy on October 22, 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.*