# Millisecond stopwatch & timer vs NanoStopWatch byNSDev

The clearest difference is ads: NanoStopWatch byNSDev at none against Millisecond stopwatch & timer's shown. Millisecond stopwatch & timer's advantage is iOS requirement (15.0 vs 17). On price, in-app purchases and device support there is nothing between them.

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

## The numbers

| Metric | Millisecond stopwatch & timer | NanoStopWatch byNSDev |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (3 ratings)](https://appshunter.io/ios/app/millisecond-stopwatch-and-timer/id6744745649/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 4 months | — |
| Monetization | Ad-supported | — |
| Size | 38 MB | 2 MB |
| Requires iOS | **15.0** | 17 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Seulki Eom](https://appshunter.io/developer/1718927408) | [NIHON SYSTEM DEVELOPER CORPORATION](https://appshunter.io/developer/1198103734) |

## What reviewers say

### Millisecond stopwatch & timer

[App page](https://appshunter.io/ios/app/millisecond-stopwatch-and-timer/id6744745649)

This utility app offers both a stopwatch and a timer with millisecond precision. It includes smart presets, lap tracking, and customizable alerts. Ideal for precise timing in sports, studies, or experiments.

**Highlights:** Stopwatch and timer functionality, Millisecond visualization, Smart timer presets, Lap/split tracking, Dark mode, Vibration/sound alerts

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

**In-app purchases:** none


### NanoStopWatch byNSDev

[App page](https://appshunter.io/ios/app/nanostopwatch-bynsdev/id6748882505)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Millisecond stopwatch & timer free?

Millisecond stopwatch & timer is free to download, with no in-app purchases.

### Is NanoStopWatch byNSDev free?

NanoStopWatch byNSDev is free to download, with no in-app purchases.

### Do Millisecond stopwatch & timer or NanoStopWatch byNSDev have ads?

Millisecond stopwatch & timer shows ads; NanoStopWatch byNSDev does not.

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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.*