# iSimpleStopWatch vs UltraStop

The clearest difference is in-app purchases: UltraStop at none against iSimpleStopWatch's 1. UltraStop also leads on ads (none vs shown). iSimpleStopWatch's advantage is update cadence (every 3 months vs every 12 months) and iOS requirement (12.0 vs 15.0). On price and device support there is nothing between them.

Both are free to download. iSimpleStopWatch sells 1 one-off in-app purchase. UltraStop asks for nothing beyond the download.

iSimpleStopWatch ships an update every 3 months, UltraStop every 12 months. The most recent releases landed on September 18, 2026 and May 19, 2026 respectively.

## The numbers

| Metric | iSimpleStopWatch | UltraStop |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 3 months** | Every 12 months |
| Size | 47 MB | 22 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [BeWise s.r.o.](https://appshunter.io/developer/1166472031) | [JUHWAN LEE](https://appshunter.io/developer/1703441721) |

## What reviewers say

### iSimpleStopWatch

[App page](https://appshunter.io/ios/app/isimplestopwatch/id6446799571)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| No Ads | $0.99 | one-time |


### UltraStop

[App page](https://appshunter.io/ios/app/ultrastop/id6740802633)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is iSimpleStopWatch free?

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

### Is UltraStop free?

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

### Do iSimpleStopWatch or UltraStop have ads?

iSimpleStopWatch shows ads; UltraStop does not.

### Which is updated more often, iSimpleStopWatch or UltraStop?

iSimpleStopWatch ships an update every 3 months, and UltraStop every 12 months. Most recently, iSimpleStopWatch was updated on September 18, 2026 and UltraStop on May 19, 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.*