# hatc vs Sailor Decoded

The clearest difference is in-app purchases: hatc at none against Sailor Decoded's 10. On price, review sentiment, update cadence and ads there is nothing between them.

Both are free to download. Sailor Decoded sells 10 one-off in-app purchases. hatc asks for nothing beyond the download.

hatc ships an update every 3 months, Sailor Decoded every 2 months. The most recent releases landed on June 8, 2026 and September 7, 2026 respectively.

## The numbers

| Metric | hatc | Sailor Decoded |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 31 MB | 83 MB |
| Requires iOS | **14.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ramakant Yadav](https://appshunter.io/developer/1711770427) | [Praneet Mehta](https://appshunter.io/developer/1824658163) |

## What reviewers say

### hatc

[App page](https://appshunter.io/ios/app/hatc/id6469321249)

This app provides coaching classes for Marine Engineering certifications, specifically for India and the UK. It is led by an extraordinary team of over 40 expert Marine Engineers.

**Highlights:** MEO Coaching Classes, Expert Marine Engineers, India & UK Certifications, Marine Engineering Focus

**Features:** macOS Compatibility

**In-app purchases:** none


### Sailor Decoded

[App page](https://appshunter.io/ios/app/sailor-decoded/id6773698002)

An educational platform for seafarers to deepen their maritime knowledge. It provides expert-led courses, video lectures, and practice tests to prepare users for exams and enhance their skills.

**Highlights:** Expert-led courses, Learning bundles, Video lectures, Practice tests, Exam preparation

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| GP Rating Achiever | $19.99 | one-time |
| COLREG- A Complete Guide... | $24.99 | one-time |
| GP RATING EXCELLENCE PACKAGE | $29.99 | one-time |
| Deck Cadet Package | $59.99 | one-time |
| MEO CLASS 1 PACKAGE | $59.99 | one-time |
| B.Tech Marine Engineering Campus... | $59.99 | one-time |
| MEO CLASS 2 EXCELLENCE PACKAGE | $59.99 | one-time |
| ETO ASPIRANT EXCELLENCE PACKAGE | $59.99 | one-time |
| ETO COC EXCELLENCE PACKAGE | $59.99 | one-time |
| MEO CLASS 4 PACKAGE | $59.99 | one-time |


## Frequently asked questions

### Is hatc free?

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

### Is Sailor Decoded free?

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

### Do hatc or Sailor Decoded have ads?

Neither hatc nor Sailor Decoded shows ads.

### Which is updated more often, hatc or Sailor Decoded?

hatc ships an update every 3 months, and Sailor Decoded every 2 months. Most recently, hatc was updated on June 8, 2026 and Sailor Decoded on September 7, 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.*