RF Tools ++ vs Nullface Me
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
Nullface Me
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See how much you can change your look. Nullface Me shows you how facial recognition sees your face in real-time. Apply makeup, try accessories, experiment with styling, and watch your match score drop as you transform. WHY USE IT? For creatives: Discover which features make the biggest difference. Let the heatmap guide your boldest looks. For the curious: Learn what actually affects facial recognition. Spoiler: eyebrows matter more than you think. TWO WAYS TO TEST Visible Light A real-time heatmap shows what's changed. Blue means still you, yellow means different. IR + Depth Uses the same infrared and 3D sensors as Face ID to confirm your transformation actually works. BUILT FOR PRIVACY There's no tracking and everything works offline. All processing happens on your device. Nothing leaves your phone. HOW IT WORKS 1. Capture your baseline 2. Change your look 3. Watch the percentage drop 4. Under 30%? Unrecognizable. Privacy but make it fashion.
Screenshots
Verdict
The clearest difference is price: Nullface Me at Free against RF Tools ++'s $1.99. RF Tools ++'s advantage is iOS requirement (17.0 vs 26.2). On 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
Nullface Me is free to download; RF Tools ++ costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | RF Tools ++ | Nullface Me |
|---|---|---|
| Price | $1.99 | Free — better |
| Update frequency | Every 2 weeks | — |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 17.0 — better | 26.2 |
| Further details — not scored | ||
| Size | 42 MB | 84 MB |
| Age rating | 4+ | 4+ |
| Developer | Jeff Curtis | RAMBO ANDERSON-YOU |
In-app purchases
RF Tools ++
No in-app purchases
Nullface Me
No in-app purchases









