# iStopwatch vs NanoStopWatch byNSDev

The clearest difference is in-app purchases: NanoStopWatch byNSDev at none against iStopwatch's 1. NanoStopWatch byNSDev also leads on ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. iStopwatch sells 1 one-off in-app purchase. NanoStopWatch byNSDev asks for nothing beyond the download.

## The numbers

| Metric | iStopwatch | NanoStopWatch byNSDev |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Monthly | — |
| Size | 9 MB | 2 MB |
| Requires iOS | **16.0** | 17 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 17+ |
| Developer | [景珂 陈](https://appshunter.io/developer/620312170) | [NIHON SYSTEM DEVELOPER CORPORATION](https://appshunter.io/developer/1198103734) |

## What reviewers say

### iStopwatch

[App page](https://appshunter.io/ios/app/istopwatch-lcd-timer/id1143929948)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Version | $1.99 | one-time |


### NanoStopWatch byNSDev

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

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is iStopwatch free?

iStopwatch is free to download, with in-app purchases available.

### Is NanoStopWatch byNSDev free?

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

### Do iStopwatch or NanoStopWatch byNSDev have ads?

iStopwatch 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.*