Comparison

QR Reader vs Marlin Keypad

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

Head to head

★ 5.01 ratingsView app →

About

QR Reader

Features

Read full description

Features: - Scan QR Code. - Display QR code data. - Access the history. Supported QR codes types: - text - mail - phone number - contact info - sms - wifi - geo - calendar event - Driver licence

About

Marlin Keypad

This utility app allows users to connect with and control Marlin MFlex Legend Keypads. It provides essential functionality for managing these specialized devices.

Highlights

Connect to Marlin MFlex Legend Keypads
Control Marlin MFlex Legend Keypads
Utility functions
Device management

Features

Read full description

Utility app for connecting to and controlling Marlin MFlex Legend Keypads.

Screenshots

QR Reader4 screens

Marlin Keypad3 screens

Verdict

The call

The clearest difference is update cadence: QR Reader at every 2 months against Marlin Keypad's every 10 months. On price, ads, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

QR Reader ships an update every 2 months, Marlin Keypad every 10 months. The most recent releases landed on November 7, 2026 and November 4, 2026 respectively.

Scorecard1 real difference · 8 level

QR Reader versus Marlin Keypad: the parameters behind the verdict, then further details
Parameter	QR Reader	Marlin Keypad
Price	Free	Free
Rating	—	5.0 (1 ratings) — better
Number of ratings	—	1 — better
Update frequency	Every 2 months — better	Every 10 months
Ads	No	No
In-app purchases	No	No
Monetization	—	Free
Devices	iPhone, iPad, iPod	iPhone, iPad, iPod
Requires iOS	11.0 — better	12.0
Further details — not scored
Size	45 MB	33 MB
Age rating	4+	4+
Developer	mounir tajaouart	Marlin Technologies, Inc.

In-app purchases

None

QR Reader

No in-app purchases

None

Marlin Keypad

No in-app purchases

Questions

Is QR Reader free?

QR Reader is free to download, with no in-app purchases.

Is Marlin Keypad free?

Marlin Keypad is free to download, with no in-app purchases.

Do QR Reader or Marlin Keypad have ads?

Neither QR Reader nor Marlin Keypad shows ads.

Which is updated more often, QR Reader or Marlin Keypad?

QR Reader ships an update every 2 months, and Marlin Keypad every 10 months. Most recently, QR Reader was updated on November 7, 2026 and Marlin Keypad on November 4, 2026.