---
title: "Sail Calculator — App Overview"
url: https://marlvel.ai/intel-report/navigation/com-exodaioslib-stephan-com-sail-calculator
category: Navigation
developer: Tobias Stephan
platforms: ios, android
rating: 3.9 (3.3K ratings)
pricing: free
report_level: overview
generated: 2026-05-04
last_verified: "2026-05-09T12:24:19.413Z"
---

<!-- SECTION: Key Insight -->
> **Key Insight:** This is a specialized, free utility focused on simplifying complex mental math for sailors adjusting to changing course conditions.

<!-- SECTION: Quick Facts -->
| Metric | Value |
|--------|-------|
| Category | Navigation |
| Rating | 3.9 ★ (3.3K) |
| Pricing | free |
| Platforms | iOS, Android |
| Latest Version (iOS) | 1.09 |
| Latest Version (Android) | 1.11 |
| Developer | Tobias Stephan |

<!-- SECTION: Summary -->
## What is Sail Calculator?

Sail Calculator is a navigation utility designed to help sailors estimate trip duration based on distance and speed. It allows users to account for dynamic variables like wind changes and course adjustments in real-time. The tool specifically incorporates percentage-based deviations to factor in detours caused by tacking or crossing.

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

- **Trip Duration Estimation**: Calculates the total time required for a sailing trip based on speed and distance.
- **Percentage Deviation Adjustment**: Allows users to input a percentage to account for extended travel distances caused by crossing or tacking.
- **Real-time Recalculation**: Enables quick updates to time estimates mid-trip to accommodate changing wind conditions or course corrections.

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

Sailors and boaters requiring quick, on-the-go navigation time estimations.

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

- [App Store](https://apps.apple.com/us/app/sail-calculator/id1477713078?uo=2)
- [Google Play](https://play.google.com/store/apps/details?id=com.simple.scientific.math.calculator&hl=en&gl=us)
- [Full Intelligence Report](https://marlvel.ai/intel-report/navigation/com-exodaioslib-stephan-com-sail-calculator)

---
*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-exodaioslib-stephan-com-sail-calculator).*
*Generated by [Marlvel.ai](https://marlvel.ai) — Independent app intelligence.*