# Spinlock Rig vs OnboardAssistant

The clearest difference is update cadence: OnboardAssistant at every 5 weeks against Spinlock Rig's every 11 months. 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.

Spinlock Rig ships an update every 11 months, OnboardAssistant every 5 weeks. The most recent releases landed on October 5, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Spinlock Rig | OnboardAssistant |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (1 ratings)](https://appshunter.io/ios/app/spinlock-rig-sense/id1002143905/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 80.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 11 months | **Every 5 weeks** |
| Monetization | Free | — |
| Size | 29 MB | 37 MB |
| Requires iOS | 15.1 | **14.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Spinlock Ltd](https://appshunter.io/developer/1023147633) | [SailingPerformance S.L](https://appshunter.io/developer/1707356280) |

## What reviewers say

### Spinlock Rig

[App page](https://appshunter.io/ios/app/spinlock-rig-sense/id1002143905)

Log and manage sailing rig settings for multiple boats and crew. Easily customize, share, and access your sailing data anytime, anywhere. Offers preloaded settings and import options for various boat classes.

**Highlights:** Log rig settings for multiple boats, Share settings with crew and partners, Intuitive and easy-to-use interface, Preloaded settings for various classes, Customize, duplicate, import, and delete logs, Offline access to stored information

**Features:** macOS Compatibility

**In-app purchases:** none


### OnboardAssistant

[App page](https://appshunter.io/ios/app/onboardassistant/id6466410500)

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

**In-app purchases:** none


## Frequently asked questions

### Is Spinlock Rig free?

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

### Is OnboardAssistant free?

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

### Do Spinlock Rig or OnboardAssistant have ads?

Neither Spinlock Rig nor OnboardAssistant shows ads.

### Which is updated more often, Spinlock Rig or OnboardAssistant?

Spinlock Rig ships an update every 11 months, and OnboardAssistant every 5 weeks. Most recently, Spinlock Rig was updated on October 5, 2026 and OnboardAssistant on October 7, 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.*