# SailControl vs PyNav

The clearest difference is update cadence: PyNav at every 5 weeks against SailControl's every 5 months. PyNav also leads on iOS requirement (13.4 vs 17.5). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. SailControl sells 2 in-app purchases, starting at $2.99 per month and PyNav sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

SailControl ships an update every 5 months, PyNav every 5 weeks. The most recent releases landed on September 22, 2026 and September 7, 2026 respectively.

## The numbers

| Metric | SailControl | PyNav |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 5 weeks** |
| Monetization | — | Freemium |
| Size | 63 MB | 14 MB |
| Requires iOS | 17.5 | **13.4** |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Defend Cyberspace](https://appshunter.io/developer/1835142407) | [CL Consulting](https://appshunter.io/developer/6779253059) |

## What reviewers say

### SailControl

[App page](https://appshunter.io/ios/app/sailcontrol/id6751442794)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $2.99 | per month |
| Annual | $14.99 | per year |


### PyNav

[App page](https://appshunter.io/ios/app/pynav/id6779253057)

This app provides NMEA instrument data and remote control for a pypilot autopilot. It can function as a standalone navigation hub, displaying wind, engine, and GPS data with customizable panels and configurable alarms.

**Highlights:** Pypilot autopilot control, NMEA instrument display, Customizable dashboard panels, Wind and engine data, GPS and waypoint navigation, Configurable alarms

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PyNav Pro | $7.99 | one-time |


## Frequently asked questions

### Is SailControl free?

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

### Is PyNav free?

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

### Do SailControl or PyNav have ads?

Neither SailControl nor PyNav shows ads.

### Which is updated more often, SailControl or PyNav?

SailControl ships an update every 5 months, and PyNav every 5 weeks. Most recently, SailControl was updated on September 22, 2026 and PyNav on September 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.*