# QR Reader：QR  Code vs CalcGrid

The clearest difference is update cadence: CalcGrid at every 3 days against QR Reader：QR  Code's every 4 months. CalcGrid also leads on price ($0.99 vs $1.99). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

QR Reader：QR  Code costs $1.99 and CalcGrid $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

QR Reader：QR  Code ships an update every 4 months, CalcGrid every 3 days. The most recent releases landed on September 19, 2026 and September 11, 2026 respectively.

## The numbers

| Metric | QR Reader：QR  Code | CalcGrid |
| --- | --- | --- |
| Price | $1.99 | **$0.99** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 days** |
| Size | 35 MB | 0 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [宝锋 吴](https://appshunter.io/developer/1639886745) | [VIADEX VENTURES INC](https://appshunter.io/developer/1792353141) |

## What reviewers say

### QR Reader：QR  Code

[App page](https://appshunter.io/ios/app/qr-readerqr-code/id6447519739)

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

**In-app purchases:** none


### CalcGrid

[App page](https://appshunter.io/ios/app/calcgrid/id6744668495)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is QR Reader：QR  Code free?

QR Reader：QR  Code costs $1.99, with no in-app purchases.

### Is CalcGrid free?

CalcGrid costs $0.99, with no in-app purchases.

### Do QR Reader：QR  Code or CalcGrid have ads?

Neither QR Reader：QR  Code nor CalcGrid shows ads.

### Which is updated more often, QR Reader：QR  Code or CalcGrid?

QR Reader：QR  Code ships an update every 4 months, and CalcGrid every 3 days. Most recently, QR Reader：QR  Code was updated on September 19, 2026 and CalcGrid on September 11, 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.*