# Sailing Analyzer vs NSJ Tracker

The clearest difference is ads: NSJ Tracker at none against Sailing Analyzer's shown. NSJ Tracker also leads on update cadence (every 6 days vs every 2 months). Sailing Analyzer's advantage is device support (3 vs 1) and iOS requirement (12.0 vs 17.6). On price and in-app purchases there is nothing between them.

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

Sailing Analyzer ships an update every 2 months, NSJ Tracker every 6 days. The most recent releases landed on September 30, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Sailing Analyzer | NSJ Tracker |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Every 6 days** |
| Size | 57 MB | 0 MB |
| Requires iOS | **12.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Shota Utsumi](https://appshunter.io/developer/1244722433) | [Keita Yukinori](https://appshunter.io/developer/6783640543) |

## What reviewers say

### Sailing Analyzer

[App page](https://appshunter.io/ios/app/sailing-analyzer/id1625564547)

**Features:** Vision Pro support

**In-app purchases:** none


### NSJ Tracker

[App page](https://appshunter.io/ios/app/nsj-tracker/id6783640541)

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

**In-app purchases:** none


## Frequently asked questions

### Is Sailing Analyzer free?

Sailing Analyzer 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 Sailing Analyzer or NSJ Tracker have ads?

Sailing Analyzer shows ads; NSJ Tracker does not.

### Which is updated more often, Sailing Analyzer or NSJ Tracker?

Sailing Analyzer ships an update every 2 months, and NSJ Tracker every 6 days. Most recently, Sailing Analyzer was updated on September 30, 2026 and NSJ Tracker on October 2, 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.*