# Qorrect vs Structural Analyzer

The clearest difference is in-app purchases: Structural Analyzer at none against Qorrect's 1. Structural Analyzer also leads on update cadence (every 6 days vs monthly) and device support (3 vs 1). On price and ads there is nothing between them.

Both are free to download. Qorrect sells 1 one-off in-app purchase. Structural Analyzer asks for nothing beyond the download.

Qorrect ships an update monthly, Structural Analyzer every 6 days. The most recent releases landed on October 17, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Qorrect | Structural Analyzer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Monthly | **Every 6 days** |
| Size | 3 MB | 10 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Qloud LTD](https://appshunter.io/developer/1800890345) | [Ka Wai Miu](https://appshunter.io/developer/1888420957) |

## What reviewers say

### Qorrect

[App page](https://appshunter.io/ios/app/qorrect/id6744972508)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $2.99 | one-time |


### Structural Analyzer

[App page](https://appshunter.io/ios/app/structural-analyzer/id6761255404)

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

**In-app purchases:** none


## Frequently asked questions

### Is Qorrect free?

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

### Is Structural Analyzer free?

Structural Analyzer is free to download, with no in-app purchases.

### Do Qorrect or Structural Analyzer have ads?

Neither Qorrect nor Structural Analyzer shows ads.

### Which is updated more often, Qorrect or Structural Analyzer?

Qorrect ships an update monthly, and Structural Analyzer every 6 days. Most recently, Qorrect was updated on October 17, 2026 and Structural Analyzer on October 7, 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.*