Comparison

Blaxtair vs RF calculator & Smith Chart

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

Head to head
About

Blaxtair

Manage and optimize your systems with this intuitive mobile application. Easily upload/download data, upgrade software, and configure detection zones for enhanced safety and productivity.

Highlights
  • Easy software updates
  • Data upload and download
  • Customizable detection zones
  • User-friendly interface
  • System configuration management
Features
Read full description

The Blaxtair App offers a seamless and efficient way to manage and optimize your Blaxtair systems. With this intuitive mobile application, you can perform a wide range of essential tasks to ensure your equipment is always operating at its best. Whether you're in the field or at the office, the Blaxtair App simplifies system management by allowing you to upload and download data, upgrade software versions, and handle important configurations effortlessly. Key features of the Blaxtair App include: - Easy Software Updates: Keep your Blaxtair system up to date with the latest software versions to ensure optimal performance and access to new features. Simply initiate the update process directly through the app. - Data Management: Upload and download vital system data with ease. This includes the ability to retrieve videos captured by your Blaxtair system, helping you analyze incidents, enhance safety protocols, and maintain detailed records. - Custom Configurations: The app allows you to inject and retrieve configuration settings for your system, giving you complete control over detection zones. Adjust the size and number of detection areas to fit your specific operational needs, ensuring the most accurate and tailored performance from your Blaxtair equipment. - User-Friendly Interface: Designed for professionals, the app is easy to navigate, making complex system management tasks simpler and more efficient, even for users with minimal technical knowledge.With the Blaxtair App, you have the power to keep your systems updated, fine-tuned, and ready to perform—helping you maintain a safer and more productive environment. Manage your Blaxtair devices anytime and anywhere from your mobile device, and ensure your equipment is always configured for optimal safety and functionality.

About

RF calculator & Smith Chart

Features
Read full description

RF Calculator & Smith Chart is an all-in-one RF engineering toolkit for impedance matching, RF network analysis, antenna calculations, filters, attenuators and wireless system design. Built for RF engineers, electronics engineers, students, technicians and radio enthusiasts, it brings essential RF calculations and design tools together in one convenient app. Analyze impedance, work with Smith Charts, calculate VSWR and S11, design matching networks, estimate path loss, build RF attenuators and evaluate wireless links without jumping between multiple tools. RF & IMPEDANCE TOOLS • Smith Chart for impedance visualization and matching • S11 and reflection analysis • Reflection coefficient calculator • VSWR calculator • Impedance and transmission-line calculations • Cascaded RF network calculations IMPEDANCE MATCHING Design and analyze common RF matching networks: • L matching networks • Pi (π) matching networks • T matching networks • Stub tuner calculations Useful for antenna matching, RF amplifiers, transmission lines and other impedance-matching applications. RF FILTER DESIGN Calculate and design common passive and RF filters: • RC filters • RL filters • RLC networks • Butterworth LC low-pass filters • Chebyshev LC low-pass filters • Filter designs up to 8th order • Microstrip band-pass filters • Microstrip band-reject / notch filters RLC CIRCUITS Analyze frequency-dependent RLC networks: • Series RLC circuits • Parallel RLC circuits • Resonant frequency calculations • Frequency behavior and reactance RF ATTENUATOR DESIGN Quickly calculate standard RF attenuator networks: • Pi (π) attenuator • T attenuator • Bridged-T attenuator Ideal for RF signal-level control, impedance-matched pads and test setups. ANTENNA & PROPAGATION TOOLS Plan and evaluate RF and wireless systems with: • Antenna design utilities • Free-space path loss calculations • Friis transmission calculations • RF link budget calculator • Power density calculator • Radar maximum-range calculator COMPONENT DESIGN & REFERENCE Useful electronics tools are also included for RF design and prototyping: • Air-core inductor design • Spiral inductor design • Multi-layer air-core inductor calculations • SMD resistor code • Resistor color code • Resistors in series and parallel • SMD capacitor code • Capacitors in series and parallel BUILT FOR PRACTICAL RF WORK RF Calculator & Smith Chart is designed for quick engineering workflows. Select a tool, enter your parameters and get the values you need without working through repetitive equations manually. Use it for: • RF circuit design • Impedance matching • Antenna projects • Wireless link planning • Filter design • RF testing and troubleshooting • Electronics laboratories • Engineering study and coursework • Amateur radio and RF experimentation Whether you're checking VSWR, designing an impedance-matching network, calculating a link budget or experimenting with RF filters, RF Calculator & Smith Chart keeps essential RF engineering tools within easy reach.

Screenshots

Blaxtair4 screens
RF calculator & Smith Chart4 screens

Verdict

The call

The clearest difference is in-app purchases: Blaxtair at none against RF calculator & Smith Chart's 1. Blaxtair also leads on update cadence (every 2 months vs every 4 months). On price, ads, device support and iOS requirement 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. RF calculator & Smith Chart sells 1 one-off in-app purchase. Blaxtair asks for nothing beyond the download.

UpkeepUpdate frequency

Blaxtair ships an update every 2 months, RF calculator & Smith Chart every 4 months. The most recent releases landed on October 9, 2026 and October 22, 2026 respectively.

Scorecard2 real differences · 8 level
Blaxtair versus RF calculator & Smith Chart: the parameters behind the verdict, then further details
ParameterBlaxtairRF calculator & Smith Chart
PriceFreeFree
Rating5.0 (1 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings1 — better—
Update frequencyEvery 2 months — betterEvery 4 months
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS16.015.0 — better
Further details — not scored
Size47 MB31 MB
Age rating4+4+
DeveloperArcureAnas Abubakar

In-app purchases

None

Blaxtair

No in-app purchases

1 purchases

RF calculator & Smith Chart

One-time1
  • upgrade to pro$3.99

Questions

Is Blaxtair free?
Blaxtair is free to download, with no in-app purchases.
Is RF calculator & Smith Chart free?
RF calculator & Smith Chart is free to download, with in-app purchases available.
Do Blaxtair or RF calculator & Smith Chart have ads?
Neither Blaxtair nor RF calculator & Smith Chart shows ads.
Which is updated more often, Blaxtair or RF calculator & Smith Chart?
Blaxtair ships an update every 2 months, and RF calculator & Smith Chart every 4 months. Most recently, Blaxtair was updated on October 9, 2026 and RF calculator & Smith Chart on October 22, 2026.

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