RF Tools ++ vs EL Tech
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
RF Tools ++
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RF Tools provides essential utilities for RF and link budget calculations including: Antenna Factor, Field Intensity, Phase, Time Delay, Wavelength, Cable Calculator, Cable Loss, Cable K1 K2 estimator, dBm/Watts conversions, dBµA/Amps conversions, dBµV/Volts conversions, Gain conversions, Power conversions, Free Space Loss, VHF/UHF Line of Sight, Fade Margin, Link Margin, Radar Max/Min Range, VSWR/Power/Return Loss Conversions, Radar Equation Solver and several reference items. The cable loss tool includes generic cables and many cables from Andrew, Beiden, Harbour Industries, Huber+Suhner, IW-Microwave, MegaPhase, Micro-Coax, PIC Wire & Cable, Times Microwave and Webro. Calculations are added regularly
EL Tech
Access real-time ASOS surface observations and NEXRAD radar data to monitor airport equipment health, detect anomalies, and troubleshoot issues. This tool helps maintenance personnel and field engineers ensure high system uptime for critical aviation weather systems.
- Live ASOS surface observations
- Real-time NEXRAD radar data
- Monitor equipment health
- Detect anomalies
- Troubleshoot system issues
- Maintain system uptime
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EL Tech is the essential mobile tool for airport maintenance personnel, technicians, and field engineers responsible for keeping ASOS, AWOS, and NEXRAD systems operational. Access live ASOS surface observations and NEXRAD radar data in real time to monitor equipment health, detect anomalies, troubleshoot issues, and maintain high system uptime — all from your iPhone.
Screenshots
Verdict
The clearest difference is price: EL Tech at Free against RF Tools ++'s $1.99. RF Tools ++'s advantage is iOS requirement (17.0 vs 26.0). On update cadence, ads, in-app purchases 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
EL Tech is free to download; RF Tools ++ costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.
RF Tools ++ ships an update every 2 weeks, EL Tech every 10 days. The most recent releases landed on October 9, 2026 and September 24, 2026 respectively.
| Parameter | RF Tools ++ | EL Tech |
|---|---|---|
| Price | $1.99 | Free — better |
| Rating | — | 5.0 (6 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 6 — better |
| Update frequency | Every 2 weeks | Every 10 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 17.0 — better | 26.0 |
| Further details — not scored | ||
| Size | 42 MB | 102 MB |
| Age rating | 4+ | 17+ |
| Developer | Jeff Curtis | Zane Smith |
In-app purchases
RF Tools ++
No in-app purchases
EL Tech
No in-app purchases
