# Nautlius vs Palabros

The clearest difference is in-app purchases: Nautlius at none against Palabros's 6. Nautlius also leads on iOS requirement (18.0 vs 26.0). Palabros's advantage is ratings volume (16 vs 2). On price, rating, ads and device support there is nothing between them.

Both are free to download. Palabros sells 6 in-app purchases, starting at $0.99 per 7 days. Nautlius asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Nautlius against 4.9 for Palabros. That said, the two scores are not equally well evidenced: Palabros has 16 ratings behind it against 2, so its average is the more settled of the two.

## The numbers

| Metric | Nautlius | Palabros |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/nautlius-stem-toolbox/id6736767636/reviews)** | [4.9 (16 ratings)](https://appshunter.io/ios/app/palabros-dictionary/id6758098070/reviews) |
| Number of ratings | 2 | **16** |
| Positive reviews | — | 85.7% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 3 days |
| Monetization | **Free** | Freemium |
| Size | 13 MB | 178 MB |
| Requires iOS | **18.0** | 26.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Troy Husted](https://appshunter.io/developer/1665389547) | [Nacho Cerrato Ruiz](https://appshunter.io/developer/1870841391) |

## 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


### Palabros

[App page](https://appshunter.io/ios/app/palabros-dictionary/id6758098070)

This app helps you understand and remember new Spanish and English vocabulary. Look up words, save them, and review using engaging games. It offers widgets for quick access and a word of the day feature.

**Highlights:** Spanish and English word lookup, Official definitions and explanations, Save words for review, 4 vocabulary review game modes, Home and Lock Screen widgets, Word of the day, Bilingual mode and pronunciation

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Palabros Weekly | $0.99 | per 7 days |
| Palabros Month | $2.99 | per month |
| Palabros Annual | $14.99 | per year |
| Palabros Pro | $39.99 | one-time |
| Palabros Pro (Support) | $49.99 | one-time |
| Palabros Pro Patron | $99.99 | one-time |


## Frequently asked questions

### Is Nautlius free?

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

### Is Palabros free?

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

### Which has better reviews, Nautlius or Palabros?

Nautlius is rated higher. Nautlius averages 5.0 out of 5 from 2 ratings, while Palabros averages 4.9 from 16 ratings.

### Do Nautlius or Palabros have ads?

Neither Nautlius nor Palabros 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.*