# NDT Companion — NDT Calculators & Plotters

> NDT Calculators & Plotters (iPhone/iPad app by Spection Ltd.)

- Source: https://appshunter.io/ios/app/ndt-companion/id6810574754 (this page in markdown: same URL + `.md`)
- Developer: [Spection Ltd](https://appshunter.io/developer/6810574756)
- Category: Business, Productivity
- Price: Free with in-app purchases
- Age rating: 4+
- Requires: iOS 16.4 · 64 MB
- Languages: American English
- Released: 2026-11-04
- Data updated: 2026-11-10

## What is NDT Companion?

NDT Companion

Learn and inspect in the field!

Calculators and plotters for almost every method: 
PAUT/TOFD/RT/UT/SRUT/ET/MT/PT

RT: Calculate your exposure times, safe distances,  ellipse angles, contact shot placement, acceptance criteria, pipe schedules, density correction calculation, attenuation calcs, sandwich technique for different wall thicknesses, track your source decay, sensitivity and UG calculation, screen factors.

UT: Beam spread, plot defects in buts, tee's, nozzles, plot defects with beam spread, velocity tables, temperature correction, thick/curved material sizing correction, angle and straight beam simulators.

TOFD: Beam coverage, PCS calculator and LWT/BWT timing calculations, Tofd scan simulator.

PAUT: Beam coverage estimator, curvature correction, skip into nozzles and nodes with defect plotting, steering angles.

MT: Coil amperage

VT: Weld geometry, pipeline and vessel inspections notepads and sketch tools, ASME BPE colour chart

ET: weld simulator, tube bundle simulator, phase explainer, fil factor calculation, frequency and depth calculations

ACFM: Simulator, sizing calculations, probe details.

Tank Inspection: API and EEMUA inspection checklists

SAFed: Boiler limits , reporting tool, and simulator.

Note/Sketchbooks for Field Inspections: 
Inspection notebook which allows annotation of photos, creation of sketches, annotation, and tables. All exportable.
Pipeline/Vessel/Tank sketch screens which allow sketching and notes. All Exportable.
Photo inspection: take a photo mark defects take notes export.
Pricing and accounting: track jobs, invoices, receipts, hours, quotes. All exportable to send to client/accountant.

Timekeeping: track your hours, calender view, list view. Add as much or as little detail as you like.

General inspection : Material details/finder, pipe schedules, acceptance criteria, hardness/tensile calculator, remaining life calculator, 

Trackers: Track your certificate expiry, source decay charts, job hours.

All modules include useful educational information and sample exam questions.

EULA:
https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| NDT Companion | $3.99 | per month |


## Is NDT Companion safe?

Not enough ratings yet to assess NDT Companion.

## Is NDT Companion legit?

NDT Companion has limited verification signals. The AppsHunter Legitimacy Score for NDT Companion is 58 out of 100 points across 7 verification signals from App Store and developer data.


## Version history (last 3 releases)

### 3.0.2 — 2026-11-08

Fixes for export png

### 3.0.1 — 2026-11-08

New update pop up 
New weld invigilation
New UT calibration Sims

### 2.0.9 — 2026-11-04

No release notes.

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-11-10.*