# Multi QR Reader vs Ohm's Law+

The clearest difference is price: Multi QR Reader at Free against Ohm's Law+'s $0.99. Multi QR Reader also leads on ratings volume (33 vs 2) and iOS requirement (13.0 vs 26.0). Ohm's Law+'s advantage is in-app purchases (none vs 2) and update cadence (daily vs monthly). On rating, ads and device support there is nothing between them.

Multi QR Reader is free to download; Ohm's Law+ costs $0.99 up front. Multi QR Reader sells 2 in-app purchases, starting at $2.99 per 3 months. Ohm's Law+ asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.9 for Multi QR Reader against 5.0 for Ohm's Law+. That said, the two scores are not equally well evidenced: Multi QR Reader has 33 ratings behind it against 2, so its average is the more settled of the two.

Multi QR Reader ships an update monthly, Ohm's Law+ daily. The most recent releases landed on September 28, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Multi QR Reader | Ohm's Law+ |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | [4.9 (33 ratings)](https://appshunter.io/ios/app/multi-qr-reader/id1564035185/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/ohms-law-plus/id6753729105/reviews)** |
| Number of ratings | **33** | 2 |
| Positive reviews | 85.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Monthly | **Daily** |
| Monetization | **Freemium** | Paid |
| Size | 12 MB | 1 MB |
| Requires iOS | **13.0** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Pratik Sodha](https://appshunter.io/developer/1772394475) | [Kanz Studios](https://appshunter.io/developer/1844708754) |

## What reviewers say

### Multi QR Reader

[App page](https://appshunter.io/ios/app/multi-qr-reader/id1564035185)

Easily scan multiple QR codes and barcodes simultaneously. Get detailed information and manage your scanned data with features like history, CSV, and PDF export. Create your own QR codes to share information securely.

**Highlights:** Batch QR and barcode scanning, Detailed data cards, Scan history, CSV and PDF export, QR code creation, Support for various code types

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Batch Scanner Premium | $2.99 | per 3 months |
| Batch Scanner Pro | $9.99 | per 3 months |


### Ohm's Law+

[App page](https://appshunter.io/ios/app/ohms-law-plus/id6753729105)

This utility app simplifies electrical calculations with a clean interface. Input any two values (voltage, current, resistance, or power) to instantly solve for the remaining ones. It also includes a resistor color code calculator and a home screen widget for quick access.

**Highlights:** Electrical calculations, Resistor color code calculator, Home screen widget, Sleek Liquid Glass interface, Accurate and fast

**In-app purchases:** none


## Frequently asked questions

### Is Multi QR Reader free?

Multi QR Reader is free to download, with in-app purchases available.

### Is Ohm's Law+ free?

Ohm's Law+ costs $0.99, with no in-app purchases.

### Which has better reviews, Multi QR Reader or Ohm's Law+?

Ohm's Law+ is rated higher. Multi QR Reader averages 4.9 out of 5 from 33 ratings, while Ohm's Law+ averages 5.0 from 2 ratings.

### Do Multi QR Reader or Ohm's Law+ have ads?

Neither Multi QR Reader nor Ohm's Law+ shows ads.

### Which is updated more often, Multi QR Reader or Ohm's Law+?

Multi QR Reader ships an update monthly, and Ohm's Law+ daily. Most recently, Multi QR Reader was updated on September 28, 2026 and Ohm's Law+ on October 13, 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.*