# Sailing Reference vs HSSC App

The clearest difference is price: HSSC App at Free against Sailing Reference's $2.99. HSSC App also leads on in-app purchases (none vs 2) and review sentiment (100% vs 75%). On update cadence, ads and device support there is nothing between them.

HSSC App is free to download; Sailing Reference costs $2.99 up front. Sailing Reference sells 2 one-off in-app purchases. HSSC App asks for nothing beyond the download.

Sailing Reference ships an update every 3 months, HSSC App every 2 months. The most recent releases landed on October 24, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Sailing Reference | HSSC App |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/hssc-app/id1437573913/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 75.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | Paid | **Free** |
| Size | 16 MB | 23 MB |
| Requires iOS | 15.6 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Oliver Shingler](https://appshunter.io/developer/886565740) | [HARROW SCHOOL ENTERPRISES LIMITED](https://appshunter.io/developer/1446742492) |

## What reviewers say

### Sailing Reference

[App page](https://appshunter.io/ios/app/sailing-reference/id978062677)

This comprehensive nautical navigation guide offers offline access to essential sailing information, including how-to guides, calculators for tides and courses, and flashcards for COLREGs. It also features a race timer and knot-tying animations.

**Highlights:** Offline nautical reference guide, Tidal stream and time calculators, Course to steer estimation, COLREGs/IRPCS flashcards, Race timer and lap timer, Nautical knot animations

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Flashcards | $0.99 | one-time |
| Knots | $0.99 | one-time |


### HSSC App

[App page](https://appshunter.io/ios/app/hssc-app/id1437573913)

Access essential course details, student activities, and campus information. This app also features a convenient click-and-collect school shop and local weather updates.

**Highlights:** Student activity details, Click and collect school shop, Local weather, Message alerts, Building information, Campus map, Course schedules

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

**In-app purchases:** none


## Frequently asked questions

### Is Sailing Reference free?

Sailing Reference costs $2.99, and also offers in-app purchases.

### Is HSSC App free?

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

### Do Sailing Reference or HSSC App have ads?

Neither Sailing Reference nor HSSC App shows ads.

### Which is updated more often, Sailing Reference or HSSC App?

Sailing Reference ships an update every 3 months, and HSSC App every 2 months. Most recently, Sailing Reference was updated on October 24, 2026 and HSSC App on October 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.*