# iStopwatch vs GX Timer

The clearest difference is in-app purchases: GX Timer at none against iStopwatch's 1. GX Timer also leads on ads (none vs shown) and iOS requirement (11.0 vs 16.0). On price, update cadence and device support there is nothing between them.

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

iStopwatch ships an update monthly, GX Timer every 3 weeks. The most recent releases landed on October 1, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | iStopwatch | GX Timer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.0 (1 ratings)](https://appshunter.io/ios/app/gx-timer/id1600052896/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Monthly | **Every 3 weeks** |
| Monetization | — | Free |
| Size | 9 MB | 43 MB |
| Requires iOS | 16.0 | **11.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [景珂 陈](https://appshunter.io/developer/620312170) | [美琴 宋](https://appshunter.io/developer/1160294086) |

## 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 |


### GX Timer

[App page](https://appshunter.io/ios/app/gx-timer/id1600052896)

Control timing devices via Bluetooth for various training and exercise needs. Offers fast training, custom training, countdowns, stopwatches, and timed alarms. Configure functions and track exercise durations.

**Highlights:** Fast training timing, Custom training timing, Countdown timers, Stopwatch functionality, Timed alarms, Function configuration

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is iStopwatch free?

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

### Is GX Timer free?

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

### Do iStopwatch or GX Timer have ads?

iStopwatch shows ads; GX Timer does not.

### Which is updated more often, iStopwatch or GX Timer?

iStopwatch ships an update monthly, and GX Timer every 3 weeks. Most recently, iStopwatch was updated on October 1, 2026 and GX Timer on October 9, 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.*