# S.Tool vs OopsieWhoopsie

The clearest difference is price: S.Tool at Free against OopsieWhoopsie's $1.99. S.Tool also leads on update cadence (every 2 months vs every 19 months) and iOS requirement (15.1 vs 18.0). On ads, in-app purchases and device support there is nothing between them.

S.Tool is free to download; OopsieWhoopsie costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

S.Tool ships an update every 2 months, OopsieWhoopsie every 19 months. The most recent releases landed on October 7, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | S.Tool | OopsieWhoopsie |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 19 months |
| Size | 66 MB | 10 MB |
| Requires iOS | **15.1** | 18.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [Katholieke Universiteit te Leuven](https://appshunter.io/developer/925286039) | [mysteryfiles.nl](https://appshunter.io/developer/323120103) |

## What reviewers say

### S.Tool

[App page](https://appshunter.io/ios/app/stool/id6739492755)

**Features:** macOS Compatibility

**In-app purchases:** none


### OopsieWhoopsie

[App page](https://appshunter.io/ios/app/oopsiewhoopsie/id6742183495)

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

**In-app purchases:** none


## Frequently asked questions

### Is S.Tool free?

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

### Is OopsieWhoopsie free?

OopsieWhoopsie costs $1.99, with no in-app purchases.

### Do S.Tool or OopsieWhoopsie have ads?

Neither S.Tool nor OopsieWhoopsie shows ads.

### Which is updated more often, S.Tool or OopsieWhoopsie?

S.Tool ships an update every 2 months, and OopsieWhoopsie every 19 months. Most recently, S.Tool was updated on October 7, 2026 and OopsieWhoopsie on October 1, 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.*