Comparison

Spinlock Rig vs NSJ Tracker

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Spinlock Rig

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
Read full description

The Rig-Sense App is a simple mobile application for logging rig settings on any sailing boat. By using this App you can store multiple settings, for multiple boats and share with the crew, training partners, classes, coaches and the rest of the world. The intuitive and easy-to-use interface of the App makes it easy for anyone to use and understand. You can log all sorts of information such as shroud settings and type of spinnaker for different wind ranges and sea states. Either start from scratch, import, or choose from the long list of preloaded settings available for most classes. Once added, logs can be customised to your liking for your optimum settings. Duplicate, import, share and delete your logs with ease to keep organised and up to date with latest settings. All the information is stored on your Phone or Tablet, so you can access your information anytime anywhere. For more information, please visit our website www.spinlock.co.uk

About

NSJ Tracker

Features
Read full description

GPS tracker app for yacht racing. Sends real-time position, speed, and course data to the race management server. ヨットレース用GPSトラッカーアプリ。位置・速度・針路データをリアルタイムでレース管理サーバーに送信します。

Screenshots

Spinlock Rig4 screens
NSJ Tracker4 screens

Verdict

The call

The clearest difference is update cadence: NSJ Tracker at every 6 days against Spinlock Rig's every 11 months. Spinlock Rig's advantage is device support (3 vs 1) and iOS requirement (15.1 vs 17.6). On price, ads and in-app purchases there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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

UpkeepUpdate frequency

Spinlock Rig ships an update every 11 months, NSJ Tracker every 6 days. The most recent releases landed on October 5, 2026 and October 2, 2026 respectively.

Scorecard3 real differences · 7 level
Spinlock Rig versus NSJ Tracker: the parameters behind the verdict, then further details
ParameterSpinlock RigNSJ Tracker
PriceFreeFree
Rating4.0 (1 ratings) — better—
Positive reviews80.0% of reviews—
Number of ratings1 — better—
Update frequencyEvery 11 monthsEvery 6 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS15.1 — better17.6
Further details — not scored
Size29 MB0 MB
Age rating4+4+
DeveloperSpinlock LtdKeita Yukinori

In-app purchases

None

Spinlock Rig

No in-app purchases

None

NSJ Tracker

No in-app purchases

Questions

Is Spinlock Rig free?
Spinlock Rig is free to download, with no in-app purchases.
Is NSJ Tracker free?
NSJ Tracker is free to download, with no in-app purchases.
Do Spinlock Rig or NSJ Tracker have ads?
Neither Spinlock Rig nor NSJ Tracker shows ads.
Which is updated more often, Spinlock Rig or NSJ Tracker?
Spinlock Rig ships an update every 11 months, and NSJ Tracker every 6 days. Most recently, Spinlock Rig was updated on October 5, 2026 and NSJ Tracker on October 2, 2026.

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