Comparison

PTBTX2™ vs QR Genius

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

Head to head
About

PTBTX2™

This application transforms your iOS device into a precise water quality measurement tool when paired with compatible pocket testers. It offers wireless connectivity, intuitive data recording, and exportable measurement logs for various water quality parameters.

Highlights
  • Wireless communication with pocket testers
  • Intuitive GUI for measurements
  • On-board database for data storage
  • Sortable, filterable, and exportable data
  • Automatic calibration records
  • Supports multiple water quality parameters
Features
Read full description

REQUIRED EQUIPMENT: ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ Myron L® Company ULTRAPENX2™ (Second Generation Ultrapen) Models: PTBT1; PTBT2, PTBT3, PTBT4, PTBT5 & PTBT6 INTRODUCTION ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ The PTBTX2™ App is a GUI and communication application that, when paired with one of Myron L® Company's ULTRAPENX2 pocket testers, converts your iOS device into an accurate, reliable, fast and simple to use measurement and data storage device to use in diverse water quality applications. ADVANCED FEATURES INCLUDE: ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ - Wireless communication between the tester and your iOS device means no bothersome wires to interfere with quickly moving from sample to sample and the paired mobile device can be held safely away from the liquid samples being measured. - Intuitive GUI design for easily pairing, calibrating, measuring and recording measurements in the App on-board database. - The database can be sorted, filtered and exported via your devices email App as either .xls; .xlsx, .csv formatted attachments NOTE: The .csv export format may have render certain special characters (such as apostrophes or quotation marks) incorrectly when opened with some spreadsheet applications. - Automatic records made of every calibration performed on each PTBTX2™ pocket tester. WORKS WITH ULTRAPENX2™ POCKET TESTERS ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ULTRAPENX2™ PTBT1 – Measures Conductivity, Total Dissolved Solids (TDS), Salinity, and Temperature. ULTRAPENX2™ PTBT2 – Measures pH and Temperature. ULTRAPENX2™ PTBT3 – Measures Oxidation Reduction Potential (ORP) and Temperature. ULTRAPENX2™ PTBT4 – Measures Free Chlorine Equivalent (FCE) and Temperature. ULTRAPENX2™ PTBT5 – Measures Dissolved Oxygen (Concentration or Saturation) and Temperature. ULTRAPENX2™ PTBT6 – Measures Nitrate Concentration (nitrate or nitrate as nitrogen) and Temperature. The PTBT2 through the PTBT6 Include a sample and hold mode as well as a live measurements mode. Future ULTRAPENX2™ pocket testers will include measurement of Free Chlorine, Dissolved Oxygen and Nitrate. 1. Optimized for iOS 10 or later. 2. When operating on mobile devices running iOS 8 or 9 the PTBTX2™ App but may experience the following performance issues: - Difficulty making and maintaining wireless connections. - Transient on screen messaging errors during some measurements. ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ Myron L® is a registered trademark of the Myron L® Company, 2450 Impala Drive, Carlsbad CA, 92010-7226 Bluetooth® is a registered trademark of Bluetooth SIG

About

QR Genius

Easily scan and create QR codes with this intuitive utility. Access your scan history and share personalized codes seamlessly. Designed for a swift and accurate experience.

Highlights
  • Fast and accurate QR code scanning
  • Easy QR code creation
  • Personalized code sharing
  • Intuitive user interface
  • Scan history access
  • Seamless code sharing
Features
Read full description

QR Genius: Best QR Code Scanner & Creator Unlock the power of QR codes with QR Genius, the ultimate mobile QR code scanner and creator for iPhone. Scan with Precision Effortlessly scan QR codes of any format using your device's camera. QR Genius ensures swift and accurate information retrieval for an unparalleled scanning experience. Create & Share Codes Unleash your creativity by crafting personalized QR codes. Share them with friends, allowing you to seamlessly exchange information in a unique and efficient way. User-Friendly Interface QR Genius boasts an intuitive design, making navigation a breeze. Its user-friendly interface ensures a smooth and enjoyable scanning and code creation process. Scan History at Your Fingertips Access your scan history and view previously created codes whenever you need them. QR Genius keeps track of your activity, providing a convenient reference for your past scans and creations. Key Features: Fast and accurate QR code scanning Easy QR code creation for personalized sharing Intuitive and user-friendly interface Scan history for quick access to past scans Share your created codes seamlessly Download QR Genius now and elevate your QR code experience!

Screenshots

PTBTX2™4 screens
QR Genius3 screens

Verdict

The call

The clearest difference is iOS requirement: PTBTX2™ at 13.0 against QR Genius's 16.0. On price, rating, ratings volume and update cadence 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. 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 PTBTX2™ against 5.0 for QR Genius. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

UpkeepUpdate frequency

PTBTX2™ ships an update every 15 months, QR Genius every 16 months. The most recent releases landed on September 29, 2026 and October 14, 2026 respectively.

Scorecard1 real difference · 9 level
PTBTX2™ versus QR Genius: the parameters behind the verdict, then further details
ParameterPTBTX2™QR Genius
PriceFreeFree
Rating5.0 (1 ratings)5.0 (1 ratings)
Positive reviews—100.0% of reviews
Number of ratings11
Update frequencyEvery 15 months — betterEvery 16 months
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPod — betteriPhone
Requires iOS13.0 — better16.0
Further details — not scored
Size17 MB4 MB
Age rating4+4+
DeveloperMyron L CompanyAnil Karagoz

Customer experience

PTBTX2™

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

QR Genius

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

PTBTX2™

No in-app purchases

None

QR Genius

No in-app purchases

Questions

Is PTBTX2™ free?
PTBTX2™ is free to download, with no in-app purchases.
Is QR Genius free?
QR Genius is free to download, with no in-app purchases.
Which has better reviews, PTBTX2™ or QR Genius?
PTBTX2™ and QR Genius are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.
Do PTBTX2™ or QR Genius have ads?
Neither PTBTX2™ nor QR Genius shows ads.
Which is updated more often, PTBTX2™ or QR Genius?
PTBTX2™ ships an update every 15 months, and QR Genius every 16 months. Most recently, PTBTX2™ was updated on September 29, 2026 and QR Genius on October 14, 2026.

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