# Scan QR Code Fast vs Calculator

The clearest difference is price: Calculator at Free against Scan QR Code Fast's $2.99. Scan QR Code Fast's advantage is update cadence (every 3 days vs every 3 weeks). On rating, ratings volume, ads and in-app purchases there is nothing between them.

Calculator is free to download; Scan QR Code Fast costs $2.99 up front. Scan QR Code Fast sells 3 in-app purchases, starting at $1.99 per 7 days and Calculator sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Calculator holds the better App Store score, 5.0 against 4.8. Both are backed by a comparable volume of ratings — 6 and 4 respectively.

Scan QR Code Fast ships an update every 3 days, Calculator every 3 weeks. The most recent releases landed on September 19, 2026 and June 4, 2026 respectively.

## The numbers

| Metric | Scan QR Code Fast | Calculator |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | [4.8 (6 ratings)](https://appshunter.io/ios/app/scan-qr-code-fast/id1519596298/reviews) | **[5.0 (4 ratings)](https://appshunter.io/ios/app/calculator-currency-unit/id1583572133/reviews)** |
| Number of ratings | **6** | 4 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 3 weeks |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 27 MB | 19 MB |
| Requires iOS | 13.6 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Emmito (Pvt) Ltd](https://appshunter.io/developer/1519136935) | [hua-shan cheng](https://appshunter.io/developer/1019388170) |

## What reviewers say

### Scan QR Code Fast

[App page](https://appshunter.io/ios/app/scan-qr-code-fast/id1519596298)

Easily scan QR codes and barcodes with automatic detection and decoding. Access relevant options based on code type, from URLs to product information. Save scan history and use it for coupons to get discounts.

**Highlights:** Automatic QR and barcode detection, Reads all QR/barcode types, Provides relevant action options, Scans coupon codes for discounts, Saves scan history, Ad-free experience with subscription

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Subscription | $1.99 | per 7 days |
| Monthly Subscription | $4.99 | per month |
| Annual Subscription | $49.99 | per year |


### Calculator

[App page](https://appshunter.io/ios/app/calculator-currency-unit/id1583572133)

This versatile tool combines a scientific calculator with currency and unit conversion capabilities. It offers a history manager, full editing options, and an intuitive interface for school, work, and daily tasks. Supports offline currency conversion.

**Highlights:** Scientific calculator functions, Currency converter with 37 currencies, Unit converter with 181 units, History manager for calculations, Offline currency conversion, Full editing options (undo/redo)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock iPad Landscape | $0.99 | one-time |
| Unlock History | $0.99 | one-time |


## Frequently asked questions

### Is Scan QR Code Fast free?

Scan QR Code Fast costs $2.99, and also offers in-app purchases.

### Is Calculator free?

Calculator is free to download, with in-app purchases available.

### Which has better reviews, Scan QR Code Fast or Calculator?

Calculator is rated higher. Scan QR Code Fast averages 4.8 out of 5 from 6 ratings, while Calculator averages 5.0 from 4 ratings.

### Do Scan QR Code Fast or Calculator have ads?

Neither Scan QR Code Fast nor Calculator shows ads.

### Which is updated more often, Scan QR Code Fast or Calculator?

Scan QR Code Fast ships an update every 3 days, and Calculator every 3 weeks. Most recently, Scan QR Code Fast was updated on September 19, 2026 and Calculator on June 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.*