# CodeInsight vs Qr reader 2021

The clearest difference is ads: CodeInsight at none against Qr reader 2021's shown. CodeInsight also leads on update cadence (every 2 weeks vs every 4 months). Qr reader 2021's advantage is iOS requirement (11.0 vs 17.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. CodeInsight sells 1 one-off in-app purchase and Qr reader 2021 sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

CodeInsight ships an update every 2 weeks, Qr reader 2021 every 4 months. The most recent releases landed on October 3, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | CodeInsight | Qr reader 2021 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (3 ratings)](https://appshunter.io/ios/app/codeinsight/id1552511524/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 2 weeks** | Every 4 months |
| Monetization | Free | — |
| Size | 10 MB | 34 MB |
| Requires iOS | 17.0 | **11.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [飞 龙](https://appshunter.io/developer/965611281) | [AMARDEEP DHILLON](https://appshunter.io/developer/999752727) |

## What reviewers say

### CodeInsight

[App page](https://appshunter.io/ios/app/codeinsight/id1552511524)

Read and analyze programming code on mobile devices with extensive language support and syntax highlighting. Features include GitHub integration, code searching, and symbol navigation, eliminating the need for a PC for code review.

**Highlights:** Extensive programming language support, Syntax highlighting for multiple languages, GitHub browsing and code downloading, Code search and symbol navigation, Upload code via Wi-Fi and iTunes, Support for various archive formats (Tar, Zip)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full funtional version | $2.99 | one-time |


### Qr reader 2021

[App page](https://appshunter.io/ios/app/qr-reader-2021/id1553497179)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove ads | $0.99 | one-time |


## Frequently asked questions

### Is CodeInsight free?

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

### Is Qr reader 2021 free?

Qr reader 2021 is free to download, with in-app purchases available.

### Do CodeInsight or Qr reader 2021 have ads?

Qr reader 2021 shows ads; CodeInsight does not.

### Which is updated more often, CodeInsight or Qr reader 2021?

CodeInsight ships an update every 2 weeks, and Qr reader 2021 every 4 months. Most recently, CodeInsight was updated on October 3, 2026 and Qr reader 2021 on October 8, 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.*