# Nautlius vs Arthur Reader

The clearest difference is iOS requirement: Arthur Reader at 16.7.11 against Nautlius's 18.0. On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 5.0 for Nautlius against 5.0 for Arthur Reader. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

## The numbers

| Metric | Nautlius | Arthur Reader |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/nautlius-stem-toolbox/id6736767636/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/arthur-reader-ai-summarizer/id6747028260/reviews) |
| Number of ratings | **2** | 1 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 5 months |
| Monetization | Free | Free |
| Size | 13 MB | 11 MB |
| Requires iOS | 18.0 | **16.7.11** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Troy Husted](https://appshunter.io/developer/1665389547) | [AMTech LLC](https://appshunter.io/developer/1819454854) |

## What reviewers say

### Nautlius

[App page](https://appshunter.io/ios/app/nautlius-stem-toolbox/id6736767636)

This app provides a comprehensive suite of tools for STEM education and professional use. It offers engineering calculators, unit conversions, property lookups, and simulation capabilities. Students and professionals can utilize it for quick calculations and data analysis.

**Highlights:** Engineering calculators, Free body diagrams, Property lookup tables, Experiment simulations, Unit conversion

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

**In-app purchases:** none


### Arthur Reader

[App page](https://appshunter.io/ios/app/arthur-reader-ai-summarizer/id6747028260)

Quickly get concise summaries of web pages and documents using AI. This tool highlights key information from news, study materials, and reports, simplifying complex texts without requiring an account.

**Highlights:** AI-powered summarization, Summarize web pages, Summarize documents, Highlights key ideas, No account required

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Nautlius free?

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

### Is Arthur Reader free?

Arthur Reader is free to download, with no in-app purchases.

### Which has better reviews, Nautlius or Arthur Reader?

Nautlius and Arthur Reader are both rated 5.0 out of 5 on the App Store, from 2 and 1 ratings respectively.

### Do Nautlius or Arthur Reader have ads?

Neither Nautlius nor Arthur Reader shows ads.

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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.*