Comparison

smartMFD by Guardian Avionics vs BOTzie

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

Head to head
About

smartMFD by Guardian Avionics

This app transforms your mobile device into a multifunction display for aircraft, showing flight data, engine performance, and navigation charts. It records flight data for later analysis and provides alerts for carbon monoxide levels and pulse oximetry when connected to compatible hardware.

Highlights
  • Multifunction display (MFD)
  • Flight data recording and analysis
  • Engine performance monitoring
  • VFR/IFR charts and approach plates
  • CO level alerts
  • Pulse oximeter readings
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The Guardian Avionics smartMFD application for Apple iOS is what makes the smartPlane system a true budget-friendly multifunction display for your aircraft. Powered with data from the smartPlane product line, the smartMFD provides a user-friendly display of aircraft positional and attitude data, engine performance data, and VFR/IFR charts and approach plates for easy reference. The smartMFD app also provides CO level alerts and pulse oximeter readings (when connected to smartLink 555). The smartMFD application records all flight data and automatically uploads it to the smartData web app from Guardian Avionics -- allowing you to analyze engine performance trends and review past flight path data. When used with a smartPanel dock for the iPad or iPhone in your instrument panel - smartMFD can provide you everything you need in a multifunction display for a fraction of the cost of many others on the market. What can smartMFD do? ----- Easy to understand MFD display. GPS location, speed, altitude, and engine data recording with automatic uploading to smartCloud web app. Accurate airspeed and altitude data display. Attitude display with AHRS equipped smartPlane products. Configurable engine monitor display with custom warning thresholds. VFR & IFR sectional chart display with airport information and approach plates. METAR & TAF weather data with AIRMET/SIGMET map overlays. Carbon Monoxide level reporting and alerting when connected to smartPlane products. Pulse oximeter data display (smartLink 555 only). **Requires Guardian Avionics smartLink 554, 555, 650, or 851 for full functionality. --- App access to the health app data to fetch heart rate and blood oxygen level to show in the app. --- In-App Purchases: Plan 1 - DATA ACCESS It includes features like EIS, Engine gauges, Push Notification, iWatch Basic, 2D Map Weather, Chart VFR, Pilot logs. Graphs and Google Earth Plan 2 - VFR It includes all Plan 1 features + iWatch hearth rate and Flight Bag Plan 3 - VFR It includes all Plan 2 features + Chart IFR and Squawk Form Plan 4 - POWER USER It includes all Plan 3 features + Air Show for Passengers Plan 5 - Commercial User It includes all Plan 4 features + Multiple Aircraft users --- Price may vary by location. Subscriptions will be charged to your credit card through your iTunes account. Your subscription will automatically renew unless canceled at least 24 hours before the end of the current period. You will not be able to cancel the subscription once activated. Manage your subscriptions in Account Settings after purchase. --- Privacy Policy: https://guardianavionicsdata.com/Device/PrivacyPolicy Terms of Service: https://guardianavionicsdata.com/Device/TermsConditions

About

BOTzie

Features
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BOTzie allows you to control Wi‑Fi and Bluetooth connected robot cars, drones, and smart hardware wirelessly using your phone. Whether you are into Robotics, STEM Learning, IoT Experiments, DIY Projects, or Remote Vehicles, BOTzie gives you seamless and precise control through multiple control modes. Key Features: • Smooth remote and joystick-based movement control • Wi‑Fi and Bluetooth connectivity support • Terminal mode for sending direct commands • Live graph view for sensor and telemetry monitoring • Voice control for supported movement commands • Downloadable sketch files for supported kits • STOP / RESUME style safety actions • Clean and intuitive interface • Great for STEM education, robotics practice, IoT testing, and DIY automation Compatible with AI & Robotics Kit, AI & IoT Kit, and other supported Wi‑Fi/Bluetooth robotics projects.

Screenshots

smartMFD by Guardian Avionics3 screens
BOTzie4 screens

Verdict

The call

The clearest difference is iOS requirement: smartMFD by Guardian Avionics at 13.0 against BOTzie's 15.1. On price, update cadence, ads and in-app purchases 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.

UpkeepUpdate frequency

smartMFD by Guardian Avionics ships an update every 3 months, BOTzie every 6 weeks. The most recent releases landed on November 1, 2026 and October 31, 2026 respectively.

Scorecard1 real difference · 8 level
smartMFD by Guardian Avionics versus BOTzie: the parameters behind the verdict, then further details
ParametersmartMFD by Guardian AvionicsBOTzie
PriceFreeFree
Rating3.7 (3 ratings) — better—
Number of ratings3 — better—
Update frequencyEvery 3 monthsEvery 6 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod, Apple Watch — betteriPhone, iPad, iPod
Requires iOS13.0 — better15.1
Further details — not scored
Size121 MB39 MB
Age rating4+4+
DeveloperCo guardian llcSTEMbotix Private Limited

In-app purchases

None

smartMFD by Guardian Avionics

No in-app purchases

None

BOTzie

No in-app purchases

Questions

Is smartMFD by Guardian Avionics free?
smartMFD by Guardian Avionics is free to download, with no in-app purchases.
Is BOTzie free?
BOTzie is free to download, with no in-app purchases.
Do smartMFD by Guardian Avionics or BOTzie have ads?
Neither smartMFD by Guardian Avionics nor BOTzie shows ads.
Which is updated more often, smartMFD by Guardian Avionics or BOTzie?
smartMFD by Guardian Avionics ships an update every 3 months, and BOTzie every 6 weeks. Most recently, smartMFD by Guardian Avionics was updated on November 1, 2026 and BOTzie on October 31, 2026.

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