# RallyOdoSwift vs SailFreeGPS

The clearest difference is review sentiment: SailFreeGPS at 65% against RallyOdoSwift's 0%. SailFreeGPS also leads on update cadence (every 2 months vs every 8 months). RallyOdoSwift's advantage is in-app purchases (none vs 2) and ads (none vs shown). On price and device support there is nothing between them.

Both are free to download. SailFreeGPS sells 2 in-app purchases, starting at $2.99 per month. RallyOdoSwift asks for nothing beyond the download.

RallyOdoSwift ships an update every 8 months, SailFreeGPS every 2 months. The most recent releases landed on October 13, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | RallyOdoSwift | SailFreeGPS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.2 (11 ratings)](https://appshunter.io/ios/app/sailfreegps/id1552752200/reviews)** |
| Number of ratings | — | **11** |
| Positive reviews | 0.0% of reviews | **65.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 8 months | **Every 2 months** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 12 MB | 35 MB |
| Requires iOS | **9.2** | 15.2 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Clarence Westberg](https://appshunter.io/developer/733915609) | [Frederic BRO](https://appshunter.io/developer/1552752202) |

## What reviewers say

### RallyOdoSwift

[App page](https://appshunter.io/ios/app/rallyodoswift/id1069069955)

This navigation app focuses on tracking mileage for events, allowing users to record and review trip distances. It removes time-related features to comply with event restrictions. An actions button facilitates less frequent changes.

**Highlights:** Mileage tracking, Event-specific functionality, Trip data review, Actions button for changes, Swift-based update

**In-app purchases:** none


### SailFreeGPS

[App page](https://appshunter.io/ios/app/sailfreegps/id1552752200)

This app provides sailing navigation tools, displaying real-time location, speed, course, and historical data. It assists with MOB situations, regattas, and waypoint management, offering advanced features in its premium version.

**Highlights:** Real-time GPS data (location, COG, SOG), Man OverBoard (MOB) assistance, Regatta countdown timer and departure line, Waypoint management with GOTO function, Track recording and GPX/KML export, Anchor and course alarms, Premium version with advanced features

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| One Month | $2.99 | per month |
| One Year | $9.99 | per year |


## Frequently asked questions

### Is RallyOdoSwift free?

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

### Is SailFreeGPS free?

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

### Do RallyOdoSwift or SailFreeGPS have ads?

SailFreeGPS shows ads; RallyOdoSwift does not.

### Which is updated more often, RallyOdoSwift or SailFreeGPS?

RallyOdoSwift ships an update every 8 months, and SailFreeGPS every 2 months. Most recently, RallyOdoSwift was updated on October 13, 2026 and SailFreeGPS on October 25, 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.*