Comparison

NDT X vs Time Converter

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

Head to head
About

NDT X

This app provides essential tools for x-ray calculations, including geometric and CT calculations, image viewing, and quality control. It offers explanations for formulas and supports common detectors for easier use.

Highlights
  • TIFF and DICONDE image viewer
  • Geometric calculations
  • X-ray standards support
  • Image quality control
  • CT calculations
  • Formula explanations
  • Detector selection tool
Features
Read full description

NDT X-ray Toolbox is a useful app for x-ray calculations everyday needed. NDT X-ray Toolbox contains: - An image viewer for TIFF and DICONDE x-ray images - Geometric Calculations (Calculation of M, M opt, Ug, Ut) - X-ray Standards (API 5L, ISO 10893-7, ISO 17636-2 including SNRn Calculation) - Image Quality Control (ISO 19232-1 / EN 462-1, ISO 19232-2) - CT Calculations (Calculation of effective Pixel Size, Number of Pictures, Reconstructed Data Size, Best voxel resolution, Tube Voltage) - all Formulas and Shortcuts are given and explained so that if you don't know what a particular Formula/Shortcut means, you can have a quick look in our app, too. We are working on additional features, so it will be updated soon. Also some nice tools are included, e.g. that you can choose, which Detector (the most common Detectors are included) you have, so that you do not have to check out and manually write the Pixel Pitch if you know which Detector you have. Besides NDT X-ray Toolbox is convincing with a modern design that let it make fun to use it.

About

Time Converter

Easily convert between various units of time, including seconds, minutes, hours, days, weeks, and months. This tool is designed for quick and convenient time calculations for a wide range of users.

Highlights
  • Convert seconds
  • Convert minutes
  • Convert hours
  • Convert days
  • Convert weeks
  • Convert months
Features
Read full description

Time Converter is the fast time converter to convert for Second (s), Minute (min), Hour (h), Day (d), Week, Month. You can use it if you builder, cook, traveler or another cool man. Convert times quickly and as you want.

Screenshots

NDT X4 screens
Time Converter2 screens

Verdict

The call

The clearest difference is price: NDT X at Free against Time Converter's $1.99. NDT X also leads on update cadence (every 2 weeks vs every 59 months). On rating, ratings volume, ads and in-app purchases 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

NDT X is free to download; Time Converter costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for NDT X against 4.9 for Time Converter. Both are backed by a comparable volume of ratings — 3 and 7 respectively.

UpkeepUpdate frequency

NDT X ships an update every 2 weeks, Time Converter every 59 months. The most recent releases landed on October 14, 2026 and October 24, 2026 respectively.

Scorecard3 real differences · 7 level
NDT X versus Time Converter: the parameters behind the verdict, then further details
ParameterNDT XTime Converter
PriceFree — better$1.99
Rating5.0 (3 ratings) — better4.9 (7 ratings)
Positive reviews100.0% of reviews—
Number of ratings37 — better
Update frequencyEvery 2 weeks — betterEvery 59 months
AdsNoNo
In-app purchasesNoNo
MonetizationFree — betterPaid
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.0 — better13.4
Further details — not scored
Size83 MB0 MB
Age rating4+4+
DeveloperVisiconsult X-ray Systems & Solutions GmbHAnna Filobok

Customer experience

NDT X

All ratings3 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Time Converter

All ratings7 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

NDT X

No in-app purchases

None

Time Converter

No in-app purchases

Questions

Is NDT X free?
NDT X is free to download, with no in-app purchases.
Is Time Converter free?
Time Converter costs $1.99, with no in-app purchases.
Which has better reviews, NDT X or Time Converter?
NDT X is rated higher. NDT X averages 5.0 out of 5 from 3 ratings, while Time Converter averages 4.9 from 7 ratings.
Do NDT X or Time Converter have ads?
Neither NDT X nor Time Converter shows ads.
Which is updated more often, NDT X or Time Converter?
NDT X ships an update every 2 weeks, and Time Converter every 59 months. Most recently, NDT X was updated on October 14, 2026 and Time Converter on October 24, 2026.

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