# iRegatta vs ESA Instruments

The clearest difference is in-app purchases: ESA Instruments at none against iRegatta's 8. iRegatta's advantage is update cadence (every 5 weeks vs every 6 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. iRegatta sells 8 one-off in-app purchases. ESA Instruments asks for nothing beyond the download.

iRegatta ships an update every 5 weeks, ESA Instruments every 6 months. The most recent releases landed on October 22, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | iRegatta | ESA Instruments |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.0 (4 ratings)](https://appshunter.io/ios/app/iregatta/id495549814/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 58.3% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 6 months |
| Monetization | Free with in-app purchases | — |
| 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](https://appshunter.io/developer/516503620) |

## What reviewers say

### iRegatta

[App page](https://appshunter.io/ios/app/iregatta/id495549814)

This app provides tactical regatta and cruising navigation features for sailors. It displays key sailing data, aids in race starts, and allows for waypoint navigation and track recording. Advanced features like NMEA0183 instrument input and AIS data display are available via in-app purchases.

**Highlights:** Tactical regatta navigation, Cruising navigation, Key sailing data display, Race start countdown and line marking, Waypoint navigation, Track recording and export, Watch app integration

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

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| iRegatta Sailplan | $1.99 | one-time |
| eyeRegatta sync | $1.99 | one-time |
| iRegatta Pebble | $2.99 | one-time |
| Apple Watch integration | $2.99 | one-time |
| iRegatta AIS | $3.99 | one-time |
| iRegatta Race Analysis | $3.99 | one-time |
| iRegatta NMEA | $5.99 | one-time |
| iRegatta Basic | $9.99 | 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 free?

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

### Is ESA Instruments free?

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

### Do iRegatta or ESA Instruments have ads?

Neither iRegatta nor ESA Instruments shows ads.

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

iRegatta ships an update every 5 weeks, and ESA Instruments every 6 months. Most recently, iRegatta was updated on October 22, 2026 and ESA Instruments on October 16, 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.*