# bigstopwatch vs Relume Clock

The clearest difference is in-app purchases: bigstopwatch at none against Relume Clock's 1. bigstopwatch also leads on ads (none vs shown). Relume Clock's advantage is update cadence (every 5 days vs every 9 months) and device support (3 vs 1). On price there is nothing between them.

Both are free to download. Relume Clock sells 1 one-off in-app purchase. bigstopwatch asks for nothing beyond the download.

bigstopwatch ships an update every 9 months, Relume Clock every 5 days. The most recent releases landed on October 11, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | bigstopwatch | Relume Clock |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (76 ratings)](https://appshunter.io/ios/app/bigstopwatch/id301615836/reviews)** | — |
| Number of ratings | **76** | — |
| Positive reviews | 94.6% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 9 months | **Every 5 days** |
| Monetization | Free | — |
| Size | 3 MB | 36 MB |
| Requires iOS | 27.0 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Yuki Yasoshima](https://appshunter.io/developer/286550473) | [Daisuke Oide](https://appshunter.io/developer/1875200179) |

## What reviewers say

### bigstopwatch

[App page](https://appshunter.io/ios/app/bigstopwatch/id301615836)

This app offers a stopwatch with both analog and digital displays. The majority of the screen acts as a large button for starting and stopping measurements, with other functions accessible via text labels.

**Highlights:** Analog and digital display, Large start/stop button, Countdown preparation, Lap/split time recording, Reset measurement, View next/previous lap

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

**In-app purchases:** none

**What reviewers like**

- 🚀 Flawless functionality
- 👍 Elegant and intuitive interface
- 👍 Smooth transitions between portrait and landscape
- 👍 Accurate and reliable
- 👍 Minimalist and beautiful design

**What reviewers complain about**

- 🐛 Occasional issues with iOS 8 and newer
- 🔋 Potential battery drain when running in the background

**Reported bugs**

- Unreliable performance when multitasking on iOS 8+
- Occasional freezing when switching between apps

**Requested features**

- Add a pure black background option
- Implement a countdown timer feature
- Add the ability to save and export lap times


### Relume Clock

[App page](https://appshunter.io/ios/app/relume-clock/id6758831370)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| プレミアムプラン | $5.99 | one-time |


## Frequently asked questions

### Is bigstopwatch free?

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

### Is Relume Clock free?

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

### Do bigstopwatch or Relume Clock have ads?

Relume Clock shows ads; bigstopwatch does not.

### Which is updated more often, bigstopwatch or Relume Clock?

bigstopwatch ships an update every 9 months, and Relume Clock every 5 days. Most recently, bigstopwatch was updated on October 11, 2026 and Relume Clock on October 13, 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.*