# Racing Slips vs TrackR Performance

The clearest difference is in-app purchases: TrackR Performance at none against Racing Slips's 2. Racing Slips's advantage is update cadence (every 4 days vs every 3 weeks). On price, ads, device support and iOS requirement there is nothing between them.

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

Racing Slips ships an update every 4 days, TrackR Performance every 3 weeks. The most recent releases landed on October 14, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Racing Slips | TrackR Performance |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/racing-slips/id1412589857/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 3 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 19 MB | 38 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Stephan Monette](https://appshunter.io/developer/1299469285) | [Dana Leonard](https://appshunter.io/developer/6785265676) |

## What reviewers say

### 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 |


### TrackR Performance

[App page](https://appshunter.io/ios/app/trackr-performance/id6785265674)

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

**In-app purchases:** none


## Frequently asked questions

### Is Racing Slips free?

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

### Is TrackR Performance free?

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

### Do Racing Slips or TrackR Performance have ads?

Neither Racing Slips nor TrackR Performance shows ads.

### Which is updated more often, Racing Slips or TrackR Performance?

Racing Slips ships an update every 4 days, and TrackR Performance every 3 weeks. Most recently, Racing Slips was updated on October 14, 2026 and TrackR Performance on October 15, 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.*