Comparison

Fox RT Guide vs NDT Master

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

Head to head
About

Fox RT Guide

Features
Read full description

Fox RT Guide is the essential companion app for NDT radiography professionals. Whether you work with Film, CR (Computed Radiography), or DR (Digital Radiography) systems, this app puts critical tools and references right in your pocket — on-site and beyond. EXPOSURE CALCULATOR • Recommended mode: Enter material, thickness, and distance — get optimized kV, mA, and focal spot recommendations • Manual mode: Calculate exposure times for X-Ray and isotope sources (Ir-192, Co-60, Se-75, Tm-170) • Supports Film, CR, and DR detectors with ISO 17636-2 compliant geometric unsharpness (Ug) validation • Save and reload up to 10 calculations STANDARDS REFERENCE • Quick-access database of 15+ major NDT standards • Covers ASME, ASTM, ISO, AWS, API, and ASNT codes • Key requirements summary with direct links to official standards bodies TECHNIQUE CHARTS • Material-specific exposure parameters for Carbon Steel, Stainless Steel, and Aluminum • Charts for X-Ray, Ir-192, and Co-60 sources • Separate data for Film (ISO 17636-1), CR, and DR (ISO 17636-2) DICOM / DICONDE IMAGE VIEWER • Open DICOM and standard image files • Window/Level adjustment, zoom, pan, rotate, and flip controls • On-image measurement tool with mm/inch calibration • Full DICOM tag browser with search IQI / PENETRAMETER GUIDE • ASTM E1025 hole-type penetrameter lookup • ISO 19232-1 Wire IQI (W1–W19) reference • ISO 19232-5 Duplex Wire IQI (D1–D13) with SRb requirements SAFETY CALCULATOR • Safe distance calculations for X-Ray and isotope sources • Shielding requirements for lead, concrete, and steel • ALARA guidelines and dose rate reference ADDITIONAL TOOLS • Film Selection Guide — thickness-based film recommendations per ISO 11699-1 • Density Guide — interactive density reference with acceptance ranges • Geometric Unsharpness Calculator — Ug calculation with ISO 17636-2 quality ratings • Defect Interpretation Guide — weld, casting, forging, and processing defects with acceptance criteria per ASME, AWS, API, and ISO codes • Unit Converter — Length, Radioactivity, Dose, Pressure, Temperature, Film Density, and Distance • Detector Performance — DQE, MTF tables, calibration procedures, and Film vs CR vs DR comparison RT QUIZ • 60 questions across 6 categories for ASNT Level I, II, and III certification preparation • Categories: RT Fundamentals, Equipment & Setup, Image Quality, Standards & Codes, Safety, and Defect Interpretation • Instant feedback with detailed explanations • Score tracking with category breakdown Designed by Foxes, for NDT professionals. © 2026 Mind Fox Software Solutions Pvt Ltd

About

NDT Master

This app streamlines ultrasonic testing for field inspections. It offers rapid weld rating, DAC/TCG curve building, 3D beam simulation, and OCR parameter capture. Includes essential UT calculators and material presets for efficient flaw detection and setup confidence.

Highlights
  • AWS D-Rating in 5 Seconds
  • DAC/TCG Curve Building
  • 3D Beam Simulation
  • OCR Parameter Capture
  • 9 UT Calculators
  • Offline-First Workflow
Features
Read full description

NDT Master is built for field ultrasonic testing workflows. It brings AWS D-Rating, DAC/TCG curve building, 3D beam simulation, OCR parameter capture, and practical UT calculators into one offline-first app. Core field workflows - AWS D-Rating in 5 Seconds: Fast weld indication workflow for field UT - Build DAC/TCG Curves Fast: Plot reference echoes and gain table instantly - Scan Readings. Auto-Fill Parameters.: OCR maps velocity, MHz and dB in seconds - Locate Flaws Faster: Instant depth and projection outputs - Critical Angles at a Glance: Snell + beam spread for setup confidence - Beam Spread You Can Trust: Visualize setup impact before inspection starts Tools included - 9 UT calculators: Wavelength, Near Field, Beam Spread, Flaw Location, Snell's Law, ToFD PCS, dB Calc, Acoustic Impedance, Resonance. - Material presets for steel, aluminum, stainless steel, and common inspection setup. - Code-aware workflows for weld inspection decisions, with AWS and ASME terminology kept visible. Offline and private - Built for Real Field Work: Local data, no account, offline-first workflow

Screenshots

Fox RT Guide4 screens
NDT Master4 screens

Verdict

The call

The clearest difference is in-app purchases: Fox RT Guide at none against NDT Master's 1. NDT Master's advantage is update cadence (every 2 weeks vs every 6 weeks) and iOS requirement (15 vs 18.6). On price, 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

Both are free to download. NDT Master sells 1 one-off in-app purchase. Fox RT Guide asks for nothing beyond the download.

UpkeepUpdate frequency

Fox RT Guide ships an update every 6 weeks, NDT Master every 2 weeks. Both last shipped on October 25, 2026.

Scorecard3 real differences · 7 level
Fox RT Guide versus NDT Master: the parameters behind the verdict, then further details
ParameterFox RT GuideNDT Master
PriceFreeFree
Rating—3.0 (2 ratings) — better
Positive reviews—0.0% of reviews
Number of ratings—2 — better
Update frequencyEvery 6 weeksEvery 2 weeks — better
AdsNoNo
In-app purchasesNo — betterYes
Monetization—Free with in-app purchases
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS18.615 — better
Further details — not scored
Size3 MB20 MB
Age rating4+4+
DeveloperMind Fox Software Solutions Private Limited雪 蔺

In-app purchases

None

Fox RT Guide

No in-app purchases

1 purchases

NDT Master

One-time1
  • Professional Unlock$9.99

Questions

Is Fox RT Guide free?
Fox RT Guide is free to download, with no in-app purchases.
Is NDT Master free?
NDT Master is free to download, with in-app purchases available.
Do Fox RT Guide or NDT Master have ads?
Neither Fox RT Guide nor NDT Master shows ads.
Which is updated more often, Fox RT Guide or NDT Master?
Fox RT Guide ships an update every 6 weeks, and NDT Master every 2 weeks. Most recently, Fox RT Guide was updated on October 25, 2026 and NDT Master on October 25, 2026.

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