---
title: "Wärtsilä iSailor — App Overview"
url: https://marlvel.ai/intel-report/navigation/com-transas-transasisailor
category: Navigation
developer: Wartsila Voyage Sweden AB
platforms: ios
rating: 3.1 (11 ratings)
pricing: freemium
report_level: overview
generated: 2026-04-28
last_verified: "2026-04-28T07:29:36.433Z"
---

<!-- SECTION: Key Insight -->
> **Key Insight:** While the app offers professional-grade chart data, users report significant technical issues regarding chart downloads and subscription-based updates.

<!-- SECTION: Quick Facts -->
| Metric | Value |
|--------|-------|
| Category | Navigation |
| Rating | 3.1 ★ (11) |
| Pricing | freemium |
| Platforms | iOS |
| Latest Version (iOS) | 1.13.4 |
| Developer | Wartsila Voyage Sweden AB |

<!-- SECTION: Summary -->
## What is Wärtsilä iSailor?

Wärtsilä iSailor is a marine and river navigation application designed for amateur seafarers. It provides electronic charts and navigational information, utilizing TX-97 vector charts for accuracy.

<!-- SECTION: Key Features -->
## Key Features

- **TX-97 Vector Charts**: Provides access to high-accuracy, globally recognized navigational charts.
- **Chart Store**: Allows users to purchase and download specific chart folios directly within the application.
- **Chart Correction Service**: Offers an auto-renewable subscription service to keep navigational data updated.

<!-- SECTION: Target Audience -->
## Who is it for?

Amateur seafarers requiring marine and river navigation tools.

<!-- SECTION: Links -->
## Links

- [App Store](https://apps.apple.com/us/app/w%C3%A4rtsil%C3%A4-isailor/id398456162?uo=2)
- [Full Intelligence Report](https://marlvel.ai/intel-report/navigation/com-transas-transasisailor)

---
*This is an overview report. Sentiment analysis, competitive landscape, and SWOT analysis are available in the [full intelligence report](https://marlvel.ai/intel-report/navigation/com-transas-transasisailor).*
*Generated by [Marlvel.ai](https://marlvel.ai) — Independent app intelligence.*