# SailTimer™ vs VMGPolar

The clearest difference is review sentiment: VMGPolar at 100% against SailTimer™'s 37%. VMGPolar also leads on in-app purchases (none vs 12) and update cadence (fortnightly vs every 2 months). SailTimer™'s advantage is iOS requirement (13.0 vs 15.6). On price, ads and device support there is nothing between them.

Both are free to download. SailTimer™ sells 12 in-app purchases, starting at $2.99 per month. VMGPolar asks for nothing beyond the download.

SailTimer™ ships an update every 2 months, VMGPolar fortnightly. The most recent releases landed on October 12, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | SailTimer™ | VMGPolar |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.7 (3 ratings)](https://appshunter.io/ios/app/vmgpolar/id6451073241/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | 37.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Fortnightly** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 126 MB | 1 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SailTimer Inc.](https://appshunter.io/developer/326309854) | [Andrei Skobtsov](https://appshunter.io/developer/1696471952) |

## What reviewers say

### SailTimer™

[App page](https://appshunter.io/ios/app/sailtimer/id326309851)

Visualize wind and wave conditions before you head out on the water with this marine weather app. It uses crowdsourced data for more accurate, real-time forecasts than traditional satellite imagery. Track your GPS, create waypoints, and access offline charts for any boat type.

**Highlights:** Crowdsourced wind and wave map animation, Route viewing with aerial photos and land maps, Waypoint creation and GPS track saving, Offline map and chart usage, Follow-Me GPS tracking, Optimal tacking distance calculation for sailboats

**Features:** Vision Pro support

**In-app purchases (12)**

| Purchase | Price | Billing |
| --- | --- | --- |
| WNI Marine Weather Map | $2.99 | per month |
| Wind Animation | $2.99 | per month |
| Navionics Charts | $10.99 | per year |
| ActiveCaptain | Free | one-time |
| Polar Plot Learning | Free | one-time |
| Import NMEA data | $0.99 | one-time |
| SailTimer Pro Bundle | $7.99 | one-time |
| USA Atlantic Coast | $15.99 | one-time |
| USA Pacific Coast | $15.99 | one-time |
| USA Great Lakes | $15.99 | one-time |
| USA Gulf Coast | $15.99 | one-time |
| Cuba, Bahamas, Puerto Rico and US Virgin Islands | $15.99 | one-time |


### VMGPolar

[App page](https://appshunter.io/ios/app/vmgpolar/id6451073241)

Calculate sailing wind and boat speed with this tool. Input three values to determine the rest and log your data for export. It helps build and validate polar graphs for sailing performance.

**Highlights:** Sailing wind and boat speed calculation, Input three values to calculate others, Save data into a log, Export log data, Build and validate polar graphs

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SailTimer™ free?

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

### Is VMGPolar free?

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

### Do SailTimer™ or VMGPolar have ads?

Neither SailTimer™ nor VMGPolar shows ads.

### Which is updated more often, SailTimer™ or VMGPolar?

SailTimer™ ships an update every 2 months, and VMGPolar fortnightly. Most recently, SailTimer™ was updated on October 12, 2026 and VMGPolar on September 25, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*