# Dinghy Sailing vs SailSizeCalc

The clearest difference is update cadence: SailSizeCalc at daily against Dinghy Sailing's every 9 days. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Dinghy Sailing ships an update every 9 days, SailSizeCalc daily. The most recent releases landed on October 20, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Dinghy Sailing | SailSizeCalc |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/dinghy-sailing/id6741688974/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 days | **Daily** |
| Monetization | Free | — |
| Size | 2 MB | 15 MB |
| Requires iOS | 18.0 | **17.6** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Gordon Aspin](https://appshunter.io/developer/992850898) | [Rick Mc](https://appshunter.io/developer/1644648263) |

## What reviewers say

### Dinghy Sailing

[App page](https://appshunter.io/ios/app/dinghy-sailing/id6741688974)

This app provides sailing navigation instruments, replacing expensive digital equipment. Mount your device to your vessel to display up to eight instruments, including race timers and flags. Customize your display by enabling, disabling, and rearranging instruments.

**Highlights:** Replaces expensive digital instruments, Displays up to eight instruments, Race timer functionality, Flag display, Customizable instrument layout, Vertical device mounting

**Features:** macOS Compatibility

**In-app purchases:** none


### SailSizeCalc

[App page](https://appshunter.io/ios/app/sailsizecalc/id6746686907)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Dinghy Sailing free?

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

### Is SailSizeCalc free?

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

### Do Dinghy Sailing or SailSizeCalc have ads?

Neither Dinghy Sailing nor SailSizeCalc shows ads.

### Which is updated more often, Dinghy Sailing or SailSizeCalc?

Dinghy Sailing ships an update every 9 days, and SailSizeCalc daily. Most recently, Dinghy Sailing was updated on October 20, 2026 and SailSizeCalc on October 10, 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.*