# Big Stopwatch™ vs iStopwatch

The clearest difference is in-app purchases: Big Stopwatch™ at none against iStopwatch's 1. Big Stopwatch™ also leads on ads (none vs shown) and device support (3 vs 1). On price and update cadence there is nothing between them.

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

Big Stopwatch™ ships an update every 5 weeks, iStopwatch monthly. Both last shipped on November 6, 2026.

## The numbers

| Metric | Big Stopwatch™ | iStopwatch |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (110 ratings)](https://appshunter.io/ios/app/big-stopwatch/id622509131/reviews)** | — |
| Number of ratings | **110** | — |
| Positive reviews | 44.4% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 5 weeks | **Monthly** |
| Monetization | Free | — |
| Size | 31 MB | 9 MB |
| Requires iOS | **10.3** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Tue Nguyen Minh](https://appshunter.io/developer/434811167) | [景珂 陈](https://appshunter.io/developer/620312170) |

## What reviewers say

### Big Stopwatch™

[App page](https://appshunter.io/ios/app/big-stopwatch/id622509131)

This utility app offers a precise stopwatch with both digital and analog displays, accurate to 1/100 of a second. It supports unlimited lap recording and allows you to easily copy lap times to your clipboard. The app features an elegant metallic design for a refined user experience.

**Highlights:** Analog stopwatch interface, Digital display to 1/100 sec, Unlimited lap recording, Copy lap records to clipboard, Elegant metallic design

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is Big Stopwatch™ free?

Big Stopwatch™ is free to download, with no in-app purchases.

### Is iStopwatch free?

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

### Do Big Stopwatch™ or iStopwatch have ads?

iStopwatch shows ads; Big Stopwatch™ does not.

### Which is updated more often, Big Stopwatch™ or iStopwatch?

Big Stopwatch™ ships an update every 5 weeks, and iStopwatch monthly. Most recently, Big Stopwatch™ was updated on November 6, 2026 and iStopwatch on November 6, 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.*