# iRegatta Pro vs ESA Instruments

The clearest difference is price: ESA Instruments at Free against iRegatta Pro's $19.99. ESA Instruments also leads on in-app purchases (none vs 5). iRegatta Pro's advantage is update cadence (every 5 weeks vs every 6 months). On ads, device support and iOS requirement there is nothing between them.

ESA Instruments is free to download; iRegatta Pro costs $19.99 up front. iRegatta Pro sells 5 one-off in-app purchases. ESA Instruments asks for nothing beyond the download.

iRegatta Pro ships an update every 5 weeks, ESA Instruments every 6 months. The most recent releases landed on September 21, 2026 and September 11, 2026 respectively.

## The numbers

| Metric | iRegatta Pro | ESA Instruments |
| --- | --- | --- |
| Price | $19.99 | **Free** |
| Rating | **[4.1 (8 ratings)](https://appshunter.io/ios/app/iregatta-pro/id334632033/reviews)** | — |
| Number of ratings | **8** | — |
| Positive reviews | 55.6% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 6 months |
| Monetization | Paid | — |
| Size | 57 MB | 3 MB |
| Requires iOS | 15.6 | 15.6 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Zifigo](https://appshunter.io/developer/334632036) | [ASTRA Yacht srl](https://appshunter.io/developer/516503620) |

## What reviewers say

### iRegatta Pro

[App page](https://appshunter.io/ios/app/iregatta-pro/id334632033)

This app provides tactical regatta and cruising navigation for sailors. It offers detailed sailing data, wind direction analysis, start line countdowns, and waypoint navigation. It also supports NMEA0183 instrument data and AIS information over WiFi.

**Highlights:** Real-time sailing data display, Wind direction and shift indicator, Regatta start line countdown, Waypoint navigation with camera assist, Track recording and export, NMEA0183 and AIS data integration, Apple Watch app for data viewing and tracking

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| iRegatta Pro Sailplan | $1.99 | one-time |
| eyeRegatta sync | $1.99 | one-time |
| iRegatta Pro Pebble | $2.99 | one-time |
| Apple Watch integration | $2.99 | one-time |
| iRegatta Pro Race Analysis | $3.99 | one-time |


### ESA Instruments

[App page](https://appshunter.io/ios/app/esa-instruments/id959518561)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is iRegatta Pro free?

iRegatta Pro costs $19.99, and also offers in-app purchases.

### Is ESA Instruments free?

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

### Do iRegatta Pro or ESA Instruments have ads?

Neither iRegatta Pro nor ESA Instruments shows ads.

### Which is updated more often, iRegatta Pro or ESA Instruments?

iRegatta Pro ships an update every 5 weeks, and ESA Instruments every 6 months. Most recently, iRegatta Pro was updated on September 21, 2026 and ESA Instruments on September 11, 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.*