Comparison

BITEKEEPER 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

BITEKEEPER

Features
Read full description

BITEKEEPER is a smart alarm application developed by Rippton Smart Fishing Gear. The app allows you to easily control the functions of Rippton's alarms, such as volume, tone, sensitivity and light color.

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

BITEKEEPER4 screens
NDT Master4 screens

Verdict

The call

The clearest difference is in-app purchases: BITEKEEPER at none against NDT Master's 1. BITEKEEPER also leads on iOS requirement (13 vs 15). NDT Master's advantage is update cadence (every 2 weeks vs monthly). 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. BITEKEEPER asks for nothing beyond the download.

UpkeepUpdate frequency

BITEKEEPER ships an update monthly, NDT Master every 2 weeks. The most recent releases landed on November 7, 2026 and November 5, 2026 respectively.

Scorecard3 real differences · 7 level
BITEKEEPER versus NDT Master: the parameters behind the verdict, then further details
ParameterBITEKEEPERNDT Master
PriceFreeFree
Rating—3.0 (2 ratings) — better
Positive reviews—0.0% of reviews
Number of ratings—2 — better
Update frequencyMonthlyEvery 2 weeks — better
AdsNoNo
In-app purchasesNo — betterYes
Monetization—Free with in-app purchases
DevicesiPhone, iPad, iPod, Apple Watch — betteriPhone, iPad, iPod
Requires iOS13 — better15
Further details — not scored
Size103 MB20 MB
Age rating4+4+
DeveloperNingbo Pelican Drone Co., Ltd.雪 蔺

In-app purchases

None

BITEKEEPER

No in-app purchases

1 purchases

NDT Master

One-time1
  • Professional Unlock$9.99

Questions

Is BITEKEEPER free?
BITEKEEPER 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 BITEKEEPER or NDT Master have ads?
Neither BITEKEEPER nor NDT Master shows ads.
Which is updated more often, BITEKEEPER or NDT Master?
BITEKEEPER ships an update monthly, and NDT Master every 2 weeks. Most recently, BITEKEEPER was updated on November 7, 2026 and NDT Master on November 5, 2026.

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