# 4Studies vs AI Detector & Plagiarism Check

The clearest difference is in-app purchases: 4Studies at none against AI Detector & Plagiarism Check's 2. 4Studies also leads on update cadence (every 2 days vs every 3 weeks) and iOS requirement (15.1 vs 17.0). AI Detector & Plagiarism Check's advantage is ratings volume (6 vs 1). On price, rating, ads and device support there is nothing between them.

Both are free to download. AI Detector & Plagiarism Check sells 2 in-app purchases, starting at $3.99 per month. 4Studies asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.0 for 4Studies against 4.0 for AI Detector & Plagiarism Check. That said, the two scores are not equally well evidenced: AI Detector & Plagiarism Check has 6 ratings behind it against 1, so its average is the more settled of the two.

4Studies ships an update every 2 days, AI Detector & Plagiarism Check every 3 weeks. The most recent releases landed on November 4, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | 4Studies | AI Detector & Plagiarism Check |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (1 ratings)](https://appshunter.io/ios/app/4studies-study-planner/id6479274987/reviews) | [4.0 (6 ratings)](https://appshunter.io/ios/app/ai-detector-and-plagiarism-check/id6673909337/reviews) |
| Number of ratings | 1 | **6** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 2 days** | Every 3 weeks |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 119 MB | 8 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | +4 | 4+ |
| Developer | [SSRC TI](https://appshunter.io/developer/1676448502) | [Maksim Gusev](https://appshunter.io/developer/1616401554) |

## What reviewers say

### 4Studies

[App page](https://appshunter.io/ios/app/4studies-study-planner/id6479274987)

This app helps students and educators organize classes, assignments, and deadlines with an intuitive interface. It also allows for the creation of customized practice tests for university and high school exams.

**Highlights:** Class and assignment organization, Customizable notes and reminders, Academic calendar view, University practice test creation, High school practice test creation, Intuitive user interface

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

**In-app purchases:** none


### AI Detector & Plagiarism Check

[App page](https://appshunter.io/ios/app/ai-detector-and-plagiarism-check/id6673909337)

This app helps ensure your writing is original and human-made. It detects AI-generated content and checks for plagiarism against millions of online sources. Get detailed reports and protect your intellectual property.

**Highlights:** AI text detection (ChatGPT, GPT-4, Claude), Plagiarism scanning against online sources, Import text via clipboard or file upload, Cross-app integration via share menu, Detailed reports with similarity scores, Multilingual support

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Professional version | $3.99 | per month |
| Adding 1,000,000 characters | $3.99 | one-time |


## Frequently asked questions

### Is 4Studies free?

4Studies is free to download, with no in-app purchases.

### Is AI Detector & Plagiarism Check free?

AI Detector & Plagiarism Check is free to download, with in-app purchases available.

### Which has better reviews, 4Studies or AI Detector & Plagiarism Check?

4Studies and AI Detector & Plagiarism Check are both rated 4.0 out of 5 on the App Store, from 1 and 6 ratings respectively.

### Do 4Studies or AI Detector & Plagiarism Check have ads?

Both 4Studies and AI Detector & Plagiarism Check show ads.

### Which is updated more often, 4Studies or AI Detector & Plagiarism Check?

4Studies ships an update every 2 days, and AI Detector & Plagiarism Check every 3 weeks. Most recently, 4Studies was updated on November 4, 2026 and AI Detector & Plagiarism Check on November 5, 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.*