Comparison

Electrician RF Field Toolkit vs FastFileTransfer

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

Head to head
About

Electrician RF Field Toolkit

A comprehensive suite of calculators for electricians and technicians, offering direct inputs and clear outputs for power, impedance, signal, and conversion tasks. Streamline calculations for Ohm's Law, RF/dB, component impedance, and transmission line properties with formula-driven views.

Highlights
  • Ohm's Law Smart Solver
  • Power in Circuit calculations
  • dB Converter
  • Return Loss / VSWR
  • Impedance (RLC) calculator
  • Coax Cable Calculator
  • Skin Depth calculation
Features
Read full description

Thank you for choosing Electrician RF Field Toolkit. Your attention to measurements, code requirements, and clear records shows the care you put into your work. Use the app to check a number and keep a record without losing your place. Electrician RF Field Toolkit combines practical electrical calculators, RF calculators, electronics tools, saved field records, and reference material in one organized app. It helps you move from a question to a clear result without building a spreadsheet or searching through scattered notes. Calculate common electrical values: - Solve Ohm's law for voltage, current, resistance, and power - Calculate series and parallel resistance - Estimate voltage drop - Work with capacitive and inductive reactance - Review RLC impedance and resonance - Check transformer turns, voltage, current, and impedance ratios - Enter longer formulas with a three-row math keypad and review results in a scrolling view - Convert percentages, parts per million, binary, and hexadecimal values Handle RF and signal work: - Convert dB, dBm, watts, and voltage - Calculate VSWR, return loss, reflection coefficient, and mismatch loss - Estimate wavelength from frequency - Account for cable velocity factor and propagation delay - Estimate coax cable impedance, capacitance, and inductance Create useful field records: - Start each record from a clear record type on Home - Save circuit calculations, cable runs, measurements, job sites, service notes, equipment details, and inventory - Choose realistic suggested values for cable type, service conditions, equipment, and common field entries - Add a custom value when a job needs something different - Use practical reference charts at the bottom of supported records - Search and filter saved work by record type, text, status, or recency Made for quick work on iPhone and iPad: - Clean Home, Calculators, Records, Stats, and More tabs - Split views on iPad keep lists and details visible together - Horizontal choices make common values easy to select - American and International choices are available where they apply - Choose System, Light, or Dark appearance Keep records portable: - Export saved records, names, time entries, and milling jobs to one JSON archive - Export one data category as spreadsheet-ready CSV - Import JSON without replacing entries already saved - See counts by category and a completion message after each transfer - Handle up to 10,000 entries per transfer, with a 100 MB JSON import limit Use built-in guidance and references: - Search the Help guide by workflow, formula, records, or troubleshooting topic - Review Ohm's law, AC power, voltage drop, reactance, impedance, RF, VSWR, dB, transformer, frequency, and statistics formulas - Open bundled drill-size, tap-drill, and pipe-thread charts - Find external electrical, cable, and engineering sources under Reference in More - Check for App Store updates manually from Settings - Restore eligible purchases when moving to another device Useful for: - Electricians and electrical contractors - Low voltage and communications technicians - RF technicians and radio amateurs - Electronics, audio, and bench technicians - Maintenance teams and service professionals - Apprentices, trade students, instructors, and makers For monthly subscriptions: Monthly Pro is a 1-month auto-renewable subscription. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Use Electrician RF Field Toolkit as a planning and reference aid. Verify calculations, measurements, equipment listings, manufacturer instructions, adopted electrical codes, local requirements, and actual site conditions before performing work.

About

FastFileTransfer

Features
Read full description

1. Turn your iOS device into an FTP server and Web server. Break down the barriers between systems. Supports fast and reliable file transfer between iOS and other any device that using ftp client software . 2. Support Files application, breaking the gap between applications, Files can be moved and deleted using the Files app or other apps.

Screenshots

Electrician RF Field Toolkit4 screens
FastFileTransfer4 screens

Verdict

The call

The clearest difference is price: Electrician RF Field Toolkit at Free against FastFileTransfer's $1.99. Electrician RF Field Toolkit also leads on update cadence (every 2 months vs every 5 months). FastFileTransfer's advantage is in-app purchases (none vs 2) and iOS requirement (14.0 vs 17.6). On ads and device support 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

Electrician RF Field Toolkit is free to download; FastFileTransfer costs $1.99 up front. Electrician RF Field Toolkit sells 2 in-app purchases, starting at $1.99 per month. FastFileTransfer asks for nothing beyond the download.

UpkeepUpdate frequency

Electrician RF Field Toolkit ships an update every 2 months, FastFileTransfer every 5 months. The most recent releases landed on October 10, 2026 and October 11, 2026 respectively.

Scorecard4 real differences · 6 level
Electrician RF Field Toolkit versus FastFileTransfer: the parameters behind the verdict, then further details
ParameterElectrician RF Field ToolkitFastFileTransfer
PriceFree — better$1.99
Rating5.0 (1 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings1 — better—
Update frequencyEvery 2 months — betterEvery 5 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationPaid—
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS17.614.0 — better
Further details — not scored
Size8 MB11 MB
Age rating4+4+
DeveloperVerosocial Studio慕华 齐

In-app purchases

2 purchases

Electrician RF Field Toolkit

Subscriptions1
  • Electric Calc pro monthly$1.991 Month
One-time1
  • Electrical Calculators pro lifetime$14.99
None

FastFileTransfer

No in-app purchases

Questions

Is Electrician RF Field Toolkit free?
Electrician RF Field Toolkit is free to download, with in-app purchases available.
Is FastFileTransfer free?
FastFileTransfer costs $1.99, with no in-app purchases.
Do Electrician RF Field Toolkit or FastFileTransfer have ads?
Neither Electrician RF Field Toolkit nor FastFileTransfer shows ads.
Which is updated more often, Electrician RF Field Toolkit or FastFileTransfer?
Electrician RF Field Toolkit ships an update every 2 months, and FastFileTransfer every 5 months. Most recently, Electrician RF Field Toolkit was updated on October 10, 2026 and FastFileTransfer on October 11, 2026.

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