# QR Reader vs Marlin Keypad

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.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

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.

## The numbers

| Metric | QR Reader | Marlin Keypad |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/marlin-keypad/id6479428020/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 10 months |
| Monetization | — | Free |
| Size | 45 MB | 33 MB |
| Requires iOS | **11.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [mounir tajaouart](https://appshunter.io/developer/1610887165) | [Marlin Technologies, Inc.](https://appshunter.io/developer/1735942032) |

## What reviewers say

### QR Reader

[App page](https://appshunter.io/ios/app/qr-reader-history/id1615222216)

**Features:** macOS Compatibility

**In-app purchases:** none


### Marlin Keypad

[App page](https://appshunter.io/ios/app/marlin-keypad/id6479428020)

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:** macOS Compatibility

**In-app purchases:** none


## Frequently asked 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.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*