# Plagiarism Checker vs QuickCalc+

The clearest difference is in-app purchases: QuickCalc+ at none against Plagiarism Checker's 3. QuickCalc+ also leads on update cadence (every 3 months vs every 6 months). Plagiarism Checker's advantage is device support (3 vs 1) and iOS requirement (13.0 vs 16.6). On price and ads there is nothing between them.

Both are free to download. Plagiarism Checker sells 3 in-app purchases, starting at $4.99 per 7 days. QuickCalc+ asks for nothing beyond the download.

Plagiarism Checker ships an update every 6 months, QuickCalc+ every 3 months. The most recent releases landed on October 12, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | Plagiarism Checker | QuickCalc+ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (12 ratings)](https://appshunter.io/ios/app/plagiarism-checker-gpt-text/id6504550331/reviews)** | — |
| Number of ratings | **12** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 3 months** |
| Monetization | Free with in-app purchases | — |
| Size | 67 MB | 1 MB |
| Requires iOS | **13.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Ajay Gorasiya](https://appshunter.io/developer/1455174866) | [少波 朱](https://appshunter.io/developer/1447096652) |

## What reviewers say

### Plagiarism Checker

[App page](https://appshunter.io/ios/app/plagiarism-checker-gpt-text/id6504550331)

This app helps students, educators, and professionals ensure the originality of their work. It scans documents against a vast database to detect plagiarism and provides detailed reports with similarity percentages.

**Highlights:** Comprehensive scanning against billions of sources, Detailed similarity reports, Real-time detection, Multi-format document support (DOC, DOCX, PDF, TXT), User-friendly interface, Secure and confidential processing

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Subscription | $4.99 | per 7 days |
| Monthly Subscription | $14.99 | per month |
| Yearly | $39.99 | per year |


### QuickCalc+

[App page](https://appshunter.io/ios/app/quickcalc-plus/id6761042212)

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

**In-app purchases:** none


## Frequently asked questions

### Is Plagiarism Checker free?

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

### Is QuickCalc+ free?

QuickCalc+ is free to download, with no in-app purchases.

### Do Plagiarism Checker or QuickCalc+ have ads?

Neither Plagiarism Checker nor QuickCalc+ shows ads.

### Which is updated more often, Plagiarism Checker or QuickCalc+?

Plagiarism Checker ships an update every 6 months, and QuickCalc+ every 3 months. Most recently, Plagiarism Checker was updated on October 12, 2026 and QuickCalc+ on September 29, 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.*