# Millisecond stopwatch & timer vs FlowChrono

The clearest difference is update cadence: FlowChrono at every 6 days against Millisecond stopwatch & timer's every 4 months. On price, ads, 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.

Millisecond stopwatch & timer ships an update every 4 months, FlowChrono every 6 days. The most recent releases landed on September 25, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Millisecond stopwatch & timer | FlowChrono |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (1 ratings)](https://appshunter.io/ios/app/millisecond-stopwatch-and-timer/id6744745649/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 4 months | **Every 6 days** |
| Monetization | Ad-supported | — |
| Size | 38 MB | 46 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Seulki Eom](https://appshunter.io/developer/1718927408) | [泽鑫 王](https://appshunter.io/developer/1736653110) |

## 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


### FlowChrono

[App page](https://appshunter.io/ios/app/flowchrono/id6759900174)

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

**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 FlowChrono free?

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

### Do Millisecond stopwatch & timer or FlowChrono have ads?

Both Millisecond stopwatch & timer and FlowChrono show ads.

### Which is updated more often, Millisecond stopwatch & timer or FlowChrono?

Millisecond stopwatch & timer ships an update every 4 months, and FlowChrono every 6 days. Most recently, Millisecond stopwatch & timer was updated on September 25, 2026 and FlowChrono on September 30, 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.*