# Stopwatch Workout vs NSJ Tracker

The clearest difference is device support: Stopwatch Workout at 3 against NSJ Tracker's 1. Stopwatch Workout also leads on iOS requirement (13.0 vs 17.6). On price, update cadence, 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.

Stopwatch Workout ships an update every 9 days, NSJ Tracker every 6 days. The most recent releases landed on October 3, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Stopwatch Workout | NSJ Tracker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/stopwatch-workout/id1606856768/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 days | **Every 6 days** |
| Monetization | Free | — |
| Size | 1 MB | 0 MB |
| Requires iOS | **13.0** | 17.6 |
| Devices | **iPhone, iPod, Apple Watch** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [CyberWisp LLC](https://appshunter.io/developer/1456497638) | [Keita Yukinori](https://appshunter.io/developer/6783640543) |

## What reviewers say

### Stopwatch Workout

[App page](https://appshunter.io/ios/app/stopwatch-workout/id1606856768)

This app combines a stopwatch and workout tracker for efficient track running. Easily record your runs and lap times with large, accessible buttons, even during intense interval training. It seamlessly integrates with HealthKit to log your workouts.

**Highlights:** Stopwatch with lap functionality, Crown control for ease of use, Records run workouts, Large, easy-to-press buttons, HealthKit integration

**Features:** Apple Watch app

**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 Stopwatch Workout free?

Stopwatch Workout 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 Stopwatch Workout or NSJ Tracker have ads?

Neither Stopwatch Workout nor NSJ Tracker shows ads.

### Which is updated more often, Stopwatch Workout or NSJ Tracker?

Stopwatch Workout ships an update every 9 days, and NSJ Tracker every 6 days. Most recently, Stopwatch Workout was updated on October 3, 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.*