# Plagiarism Checker vs Engineering Calculator

The clearest difference is price: Plagiarism Checker at Free against Engineering Calculator's $1.99. Plagiarism Checker also leads on rating (4.3 vs 1.0) and update cadence (monthly vs every 30 months). Engineering Calculator's advantage is in-app purchases (none vs 12). On ads and device support there is nothing between them.

Plagiarism Checker is free to download; Engineering Calculator costs $1.99 up front. Plagiarism Checker sells 12 in-app purchases, starting at $7.99 per month. Engineering Calculator asks for nothing beyond the download.

Plagiarism Checker holds the better App Store score, 4.3 against 1.0. That said, the two scores are not equally well evidenced: Plagiarism Checker has 1.2K ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 20% of Plagiarism Checker's written reviews are positive against 0% of Engineering Calculator's.

Plagiarism Checker ships an update monthly, Engineering Calculator every 30 months. The most recent releases landed on September 19, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | Plagiarism Checker | Engineering Calculator |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | **[4.3 (1.2K ratings)](https://appshunter.io/ios/app/plagiarism-checker/id1231934420/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/engineering-calculator/id1297957037/reviews) |
| Number of ratings | **1.2K** | 1 |
| Positive reviews | **20.3% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Monthly** | Every 30 months |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 64 MB | 7 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [CONTENT ARCADE DUBAI LTD FZE](https://appshunter.io/developer/1355616995) | [loay setrak](https://appshunter.io/developer/923932983) |

## What reviewers say

### Plagiarism Checker

[App page](https://appshunter.io/ios/app/plagiarism-checker/id1231934420)

Detect duplicate content with this mobile application. It offers instant, fast, and accurate plagiarism checks for text or images, ensuring your work is original. Ideal for students, writers, and professionals.

**Highlights:** Instant Plagiarism Checking, Fast and Accurate, Check Plagiarism by Upload Image (OCR), Check Plagiarism by Copy Pasting Text, Real-time Results, Duplicate Content Detection

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

**In-app purchases (12)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Basic Subscription | $7.99 | per month |
| Standard Plan | $12.99 | per month |
| Monthly Basic | $19.99 | per month |
| Premium Subscription | $29.99 | per month |
| Subscription Pro | $39.99 | per month |
| Enterprise Subscription | $49.99 | per month |
| Enable Import from Cloud | $1.99 | one-time |
| 10 Queries Bucket | $1.99 | one-time |
| 20 Queries Bucket | $2.99 | one-time |
| Get Plagiarism Checker Pro | $4.99 | one-time |
| 50 Queries Bucket | $5.99 | one-time |
| 100 Queries Bucket | $9.99 | one-time |

**What reviewers like**

- 🚀 Fast and efficient
- 👍 Easy to use
- ✨ Effective plagiarism detection

**What reviewers complain about**

- 💰 Expensive, with limited free usage
- 🐛 Unreliable, often doesn't work as expected
- 🔒 Lack of transparency around features and pricing
- ⚠️ Inaccurate plagiarism results

**Reported bugs**

- App crashes frequently
- Login and account issues
- Compatibility problems with older devices

**Requested features**

- Increase free usage limit
- Provide more detailed plagiarism reports
- Add dark mode option


### Engineering Calculator

[App page](https://appshunter.io/ios/app/engineering-calculator/id1297957037)

This application provides a comprehensive suite of 59 engineering calculators across civil, electrical, and mechanical disciplines. It includes formulas and descriptions for each calculator, along with convenient copy and clear functions.

**Highlights:** 59 engineering calculators, Civil, Electrical, Mechanical categories, Formulas included for each calculator, Descriptions for each calculator, Copy and clear button functionality

**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 Engineering Calculator free?

Engineering Calculator costs $1.99, with no in-app purchases.

### Which has better reviews, Plagiarism Checker or Engineering Calculator?

Plagiarism Checker is rated higher. Plagiarism Checker averages 4.3 out of 5 from 1.2K ratings, while Engineering Calculator averages 1.0 from 1 ratings.

### Do Plagiarism Checker or Engineering Calculator have ads?

Neither Plagiarism Checker nor Engineering Calculator shows ads.

### Which is updated more often, Plagiarism Checker or Engineering Calculator?

Plagiarism Checker ships an update monthly, and Engineering Calculator every 30 months. Most recently, Plagiarism Checker was updated on September 19, 2026 and Engineering Calculator on September 9, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*