# Nautica AppGrade vs Olfactive Obedience

Nautica AppGrade and Olfactive Obedience are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

## The numbers

| Metric | Nautica AppGrade | Olfactive Obedience |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 36.4% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | — |
| Monetization | Free | — |
| Size | 3 MB | 3 MB |
| Requires iOS | 16.1 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [4L S.r.l.s.](https://appshunter.io/developer/1612442202) | [Olfactive Obedience](https://appshunter.io/developer/1890632728) |

## What reviewers say

### Nautica AppGrade

[App page](https://appshunter.io/ios/app/nautica-appgrade/id1612442199)

This app is designed for students and instructors at sailing schools. It allows users to view courses, book boat trips, practice exam quizzes, and chat directly with their school or teachers.

**Highlights:** View courses, Book boat trips, Practice exam quizzes, Chat with school/teachers, Instructor tools

**Features:** macOS Compatibility

**In-app purchases:** none


### Olfactive Obedience

[App page](https://appshunter.io/ios/app/olfactive-obedience/id6761645523)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Nautica AppGrade free?

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

### Is Olfactive Obedience free?

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

### Do Nautica AppGrade or Olfactive Obedience have ads?

Neither Nautica AppGrade nor Olfactive Obedience 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.*