NSJ Tracker vs Pocket Sail
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
NSJ Tracker
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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。
Pocket Sail
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Pocket Sail is a simulator that puts the experience of yacht sailing in the palm of your hand. It's designed to help beginners learn the fundamentals—and it works even better alongside a coach or an experienced sailor. Wind direction and its relationship with the telltales, wind indicator, and sail; the heel of the boat; tacking and gybing—practice the sensations of real dinghy sailing anytime, anywhere. Features - Realistic sailing physics with telltales and a wind indicator - Master boat handling by tacking and gybing again and again - Record your run as a "ghost" and race it on your next lap - Both portrait and landscape support - No sign-up, fully offline Sharpen your feel for sailing with Pocket Sail.
Screenshots
Verdict
The clearest difference is update cadence: NSJ Tracker at every 6 days against Pocket Sail's every 4 weeks. On price, ads, in-app purchases and device support 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
NSJ Tracker ships an update every 6 days, Pocket Sail every 4 weeks. The most recent releases landed on November 10, 2026 and October 31, 2026 respectively.
| Parameter | NSJ Tracker | Pocket Sail |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 6 days — better | Every 4 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone | iPhone, iPad — better |
| Requires iOS | 17.6 | 16.0 — better |
| Further details — not scored | ||
| Size | 0 MB | 5 MB |
| Age rating | 4+ | 4+ |
| Developer | Keita Yukinori | Natsuki Matsuura |
In-app purchases
NSJ Tracker
No in-app purchases
Pocket Sail
No in-app purchases
Questions
Is NSJ Tracker free?
Is Pocket Sail free?
Do NSJ Tracker or Pocket Sail have ads?
Which is updated more often, NSJ Tracker or Pocket Sail?
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