# SeaVectors vs SeaBase

The clearest difference is in-app purchases: SeaBase at none against SeaVectors's 2. SeaBase also leads on iOS requirement (16.6 vs 18.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. SeaVectors sells 2 in-app purchases, starting at $5.99 per month. SeaBase asks for nothing beyond the download.

SeaVectors ships an update weekly, SeaBase every 6 days. The most recent releases landed on October 24, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | SeaVectors | SeaBase |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/seabase/id6786122931/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Weekly | **Every 6 days** |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 80 MB | 80 MB |
| Requires iOS | 18.0 | **16.6** |
| Devices | iPhone, iPad | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [SMALL TECHNOLOGIES INC.](https://appshunter.io/developer/474901683) | [Yeoman Ventures LLC](https://appshunter.io/developer/6785116999) |

## What reviewers say

### SeaVectors

[App page](https://appshunter.io/ios/app/seavectors-marine-navigation/id6747519514)

This app provides professional marine navigation with official ENC charts and real-time weather data. It offers advanced instrument displays, alerts for restricted areas and fishing closures, and route planning capabilities for safe and informed voyages.

**Highlights:** ECDIS-grade ENC charts, Real-time marine conditions, Customizable instrument panel, Restricted area and fishing closure alerts, Advanced weather overlays, Official tide data, Route planning and simulation, Offline chart caching

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $5.99 | per month |
| Yearly | $49.99 | per year |


### SeaBase

[App page](https://appshunter.io/ios/app/seabase/id6786122931)

This offline-first sailing companion provides essential tools for life on the water. It includes an anchor alarm, nautical charts, GPS navigation, tide information, and a logbook, all functioning without a cellular signal. Enjoy a comprehensive suite of features with a single, one-time purchase.

**Highlights:** Offline nautical charts, Anchor alarm with drift detection, GPS navigation and route planning, Offline tide predictions, Harbor and anchorage finder, Auto-tracking logbook, Reference guides and emergency tools

**Features:** Apple Watch app

**In-app purchases:** none


## Frequently asked questions

### Is SeaVectors free?

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

### Is SeaBase free?

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

### Do SeaVectors or SeaBase have ads?

Neither SeaVectors nor SeaBase shows ads.

### Which is updated more often, SeaVectors or SeaBase?

SeaVectors ships an update weekly, and SeaBase every 6 days. Most recently, SeaVectors was updated on October 24, 2026 and SeaBase on September 30, 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.*