# smartMFD by Guardian Avionics vs BOTzie

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.

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

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.

## The numbers

| Metric | smartMFD by Guardian Avionics | BOTzie |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.7 (3 ratings)](https://appshunter.io/ios/app/smartmfd-by-guardian-avionics/id599071174/reviews)** | — |
| Number of ratings | **3** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 6 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 121 MB | 39 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Co guardian llc](https://appshunter.io/developer/599071177) | [STEMbotix Private Limited](https://appshunter.io/developer/1757548093) |

## What reviewers say

### smartMFD by Guardian Avionics

[App page](https://appshunter.io/ios/app/smartmfd-by-guardian-avionics/id599071174)

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

**In-app purchases:** none


### BOTzie

[App page](https://appshunter.io/ios/app/botzie/id6767105552)

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

**In-app purchases:** none


## Frequently asked 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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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*