# MarkSetBot vs NSJ Tracker

The clearest difference is update cadence: NSJ Tracker at every 6 days against MarkSetBot's every 6 weeks. MarkSetBot's advantage is device support (3 vs 1) and iOS requirement (15.0 vs 17.6). On price, ads 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.

MarkSetBot ships an update every 6 weeks, NSJ Tracker every 6 days. The most recent releases landed on October 11, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | MarkSetBot | NSJ Tracker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/marksetbot/id1282844256/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 6 days** |
| Monetization | Free | — |
| Size | 24 MB | 0 MB |
| Requires iOS | **15.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Macro Connect](https://appshunter.io/developer/1282844255) | [Keita Yukinori](https://appshunter.io/developer/6783640543) |

## What reviewers say

### MarkSetBot

[App page](https://appshunter.io/ios/app/marksetbot/id1282844256)

This app controls an automated sailboat racing mark using any smart device. It requires ownership of the physical MarkSetBot or use of CourseSetter software. It's designed for sailboat racing organizers and participants.

**Highlights:** Smartphone, tablet, or PC control, Automated sailboat racing mark, Requires MarkSetBot hardware, CourseSetter software integration

**Features:** macOS Compatibility, 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 MarkSetBot free?

MarkSetBot 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 MarkSetBot or NSJ Tracker have ads?

Neither MarkSetBot nor NSJ Tracker shows ads.

### Which is updated more often, MarkSetBot or NSJ Tracker?

MarkSetBot ships an update every 6 weeks, and NSJ Tracker every 6 days. Most recently, MarkSetBot was updated on October 11, 2026 and NSJ Tracker on October 2, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*