# Squid vs Marine Instruments

The clearest difference is price: Squid at Free against Marine Instruments's $7.99. Squid also leads on update cadence (monthly vs every 7 months) and iOS requirement (16.4 vs 26.0). Marine Instruments's advantage is in-app purchases (none vs 8). On ads and device support there is nothing between them.

Squid is free to download; Marine Instruments costs $7.99 up front. Squid sells 8 in-app purchases, starting at $5.99 per 7 days. Marine Instruments asks for nothing beyond the download.

Squid ships an update monthly, Marine Instruments every 7 months. The most recent releases landed on November 1, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Squid | Marine Instruments |
| --- | --- | --- |
| Price | **Free** | $7.99 |
| Rating | **[4.8 (55 ratings)](https://appshunter.io/ios/app/squid-marine-navigation/id999783032/reviews)** | — |
| Number of ratings | **55** | — |
| Positive reviews | 38.4% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Monthly** | Every 7 months |
| Monetization | Free with in-app purchases | — |
| Size | 253 MB | 1 MB |
| Requires iOS | **16.4** | 26.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [DICE-ENGINEERING](https://appshunter.io/developer/1885802964) | [Stolk.cc](https://appshunter.io/developer/313529099) |

## What reviewers say

### Squid

[App page](https://appshunter.io/ios/app/squid-marine-navigation/id999783032)

This marine navigation app provides professional-grade weather forecasts and smart routing tools for sailors. It offers multi-model GRIB data, meteograms, and an extensive polar database, optimized for offshore and low-bandwidth use.

**Highlights:** Smart routing engine with roadbook, Cloud routing with multi-route comparison, Multi-model GRIB viewer, Forecasts up to 10 days, Meteograms for multi-model comparison, Extensive polar database, Lightweight GRIBs for offline use

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

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| HIRES Europe 1 Week | $5.99 | per 7 days |
| HIRES USA 1 Week | $6.99 | per 7 days |
| HIRES Europe 1 Month | $9.99 | per month |
| HIRES USA 1 Month | $9.99 | per month |
| HIRES Europe 3 Months | $18.99 | per 3 months |
| HIRES USA 3 Months | $18.99 | per 3 months |
| HIRES Europe 1 Year | $33.99 | per year |
| HIRES USA 1 Year | $33.99 | per year |


### Marine Instruments

[App page](https://appshunter.io/ios/app/marine-instruments/id6756301590)

**In-app purchases:** none


## Frequently asked questions

### Is Squid free?

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

### Is Marine Instruments free?

Marine Instruments costs $7.99, with no in-app purchases.

### Do Squid or Marine Instruments have ads?

Neither Squid nor Marine Instruments shows ads.

### Which is updated more often, Squid or Marine Instruments?

Squid ships an update monthly, and Marine Instruments every 7 months. Most recently, Squid was updated on November 1, 2026 and Marine Instruments on November 5, 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.*