Comparison

Engbird vs Mars Legacy

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Engbird

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
Read full description

Engbird is the easiest way to monitor the environmental conditions affecting the things you care about. Quickly pair the app with our Temperature & Humidity Smart Sensors and enjoy the sleek interface for viewing current and past conditions.It supports the following features: - Displays Temperature & Humidity in real-time. - The sampling interval can be configured for 10s, 30s, 1min, 2min, 5min, 10min, 30min, record length up to 30000. - Can easily view historical data by day, week, month, year, and can export historical data in csv format. - Support a mobile phone to access multiple sensors, you can also access multiple mobile phones with the same sensor - Multi-language support: English, German, French, Spanish, Italian, Portuguese, Russian, Japanese, Chinese.

About

Mars Legacy

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
Read full description

The Mars Hydro app is launched to build a smart, simplified, frontier a ccess for growers to a more manageable grow project, supporting m obile control and growth programs configuration, compatible with Ma rs Hydro Smart Grow System at: www.mars-hydro.com *Easily turn ON/OFF your LED grow lights and adjust the intensity with j ust a few clicks. *Precisely arrange time triggers to achieve automatic growth cycles an d simulation of sunrise and sunset. *Wireless control of multiple LED grow lights via one device at the sam e time. *Different lighting groups are available for independent management, which enables simultaneous monitor on paralleled grows. ...More to be launched

Screenshots

Engbird4 screens
Mars Legacy4 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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

Scorecard1 real difference · 9 level
Engbird versus Mars Legacy: the parameters behind the verdict, then further details
ParameterEngbirdMars Legacy
PriceFreeFree
Rating1.8 (37 ratings) — better1.3 (71 ratings)
Positive reviews13.1% of reviews — better12.2% of reviews
Number of ratings3771 — better
Update frequencyEvery 6 weeksMonthly — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS12.0 — better13.0
Further details — not scored
Size17 MB59 MB
Age rating4+4+
DeveloperShenzhen Inkbird Technology Co. LtdMARS TRADING RCC, INC.

Customer experience

Engbird

All ratings37 ratings
Positive13.5%
Neutral8.1%
Negative78.4%
Written reviews298 reviews
Positive13.1%
Neutral11.1%
Negative75.8%

Mars Legacy

All ratings70 ratings
Positive7.1%
Neutral0.0%
Negative92.9%
Written reviews90 reviews
Positive12.2%
Neutral4.4%
Negative83.3%

User reviews

Engbird

From 37 App Store ratings

What we love

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

Room to improve

  • 🐛 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

Mars Legacy

From 71 App Store ratings

What we love

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

Room to improve

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

Bugs and requests

Engbird

Reported bugs

5 issues
  • 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

5 requests
  • 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

Reported bugs

20 issues
  • 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
Show 15 more
  • Humidity readings display unrealistic fantasy values
  • App crashes and loses all device/account data
  • Login verification codes not received
  • Sunrise/sunset mode ignores brightness settings and forces 100%
  • Time selection interface is confusing and unreliable
  • Fan disconnects from app during use
  • PPFD settings reset unexpectedly
  • App update broke existing functionality
  • Device not detected during initial setup
  • Password signup validation error
  • Bluetooth icon shows as disabled after update
  • Light turns off mid-cycle without reason
  • Temperature unit cannot be changed to Celsius
  • Scenes override manual timer settings
  • App fails to save time settings correctly

Requested features

12 requests
  • 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
Show 7 more
  • Comprehensive help documentation
  • Account recovery and data persistence
  • Multi-language support with accurate translations
  • System time picker instead of custom control
  • Ability to set different brightness levels for different scenes
  • More reliable remote control functionality
  • Better error messages and troubleshooting guidance

In-app purchases

None

Engbird

No in-app purchases

None

Mars Legacy

No in-app purchases

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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