# Nautical translator vs AIDP

The clearest difference is price: AIDP at Free against Nautical translator's $3.99. AIDP also leads on update cadence (every 5 days vs every 20 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

AIDP is free to download; Nautical translator costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Nautical translator ships an update every 20 months, AIDP every 5 days. The most recent releases landed on October 3, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Nautical translator | AIDP |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/nautical-translator/id1543675521/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 20 months | **Every 5 days** |
| Monetization | Paid | — |
| Size | 11 MB | 32 MB |
| Requires iOS | 14.0 | **13** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Marco Duranti](https://appshunter.io/developer/1561589229) | [DIGITAL FOREST SRL](https://appshunter.io/developer/581246108) |

## What reviewers say

### Nautical translator

[App page](https://appshunter.io/ios/app/nautical-translator/id1543675521)

This app provides illustrated nautical vocabulary in five languages, designed for sailors but useful for anyone learning boat terminology. It covers emergencies, port communication, and everyday needs with over 2000 words and idioms, accessible offline.

**Highlights:** Illustrated nautical vocabulary, Five language support (IT, EN, FR, ES, DE), Covers emergencies and port communication, Includes human body parts, food, and technical terms, Offline accessibility, Over 2000 words and idioms

**Features:** macOS Compatibility

**In-app purchases:** none


### AIDP

[App page](https://appshunter.io/ios/app/aidp/id6740077098)

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

**In-app purchases:** none


## Frequently asked questions

### Is Nautical translator free?

Nautical translator costs $3.99, with no in-app purchases.

### Is AIDP free?

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

### Do Nautical translator or AIDP have ads?

Neither Nautical translator nor AIDP shows ads.

### Which is updated more often, Nautical translator or AIDP?

Nautical translator ships an update every 20 months, and AIDP every 5 days. Most recently, Nautical translator was updated on October 3, 2026 and AIDP on October 15, 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.*