# Stable Stopwatch Plus vs Racing Slips

The clearest difference is in-app purchases: Stable Stopwatch Plus at none against Racing Slips's 2. Stable Stopwatch Plus also leads on iOS requirement (11.0 vs 15.6). Racing Slips's advantage is update cadence (every 4 days vs every 7 months). On price, ads and device support there is nothing between them.

Both are free to download. Racing Slips sells 2 in-app purchases, starting at $4.99 per month. Stable Stopwatch Plus asks for nothing beyond the download.

Stable Stopwatch Plus ships an update every 7 months, Racing Slips every 4 days. The most recent releases landed on May 17, 2026 and August 22, 2026 respectively.

## The numbers

| Metric | Stable Stopwatch Plus | Racing Slips |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/racing-slips/id1412589857/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 4 days** |
| Monetization | — | Free with in-app purchases |
| Size | 3 MB | 19 MB |
| Requires iOS | **11.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Equine Data Inc.](https://appshunter.io/developer/898391064) | [Stephan Monette](https://appshunter.io/developer/1299469285) |

## What reviewers say

### Stable Stopwatch Plus

[App page](https://appshunter.io/ios/app/stable-stopwatch-plus/id955667394)

**Features:** macOS Compatibility

**In-app purchases:** none


### Racing Slips

[App page](https://appshunter.io/ios/app/racing-slips/id1412589857)

Record and access your drag racing time slips digitally. Calculate density altitude to predict your next ET dial and eliminate the need for paper slips. View qualification, pairing, and ladder reports easily.

**Highlights:** Digital time slip recording, Density altitude calculation, ET dial prediction, Qualification reports, Pairing reports, Ladder reports

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Sharing | $4.99 | per month |
| Annual Premium Access | $8.99 | per year |


## Frequently asked questions

### Is Stable Stopwatch Plus free?

Stable Stopwatch Plus is free to download, with no in-app purchases.

### Is Racing Slips free?

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

### Do Stable Stopwatch Plus or Racing Slips have ads?

Neither Stable Stopwatch Plus nor Racing Slips shows ads.

### Which is updated more often, Stable Stopwatch Plus or Racing Slips?

Stable Stopwatch Plus ships an update every 7 months, and Racing Slips every 4 days. Most recently, Stable Stopwatch Plus was updated on May 17, 2026 and Racing Slips on August 22, 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.*