# Dirt Slingin Tech vs Wehrs Machine Data Log

The clearest difference is update cadence: Dirt Slingin Tech at every 5 days against Wehrs Machine Data Log's fortnightly. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Dirt Slingin Tech sells 4 in-app purchases, starting at $8.99 per month and Wehrs Machine Data Log sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Dirt Slingin Tech ships an update every 5 days, Wehrs Machine Data Log fortnightly. The most recent releases landed on November 11, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | Dirt Slingin Tech | Wehrs Machine Data Log |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (19 ratings)](https://appshunter.io/ios/app/dirt-slingin-tech-race-setup/id1549261066/reviews)** | — |
| Number of ratings | **19** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 5 days** | Fortnightly |
| Monetization | Freemium | — |
| Size | 170 MB | 50 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [David Davis](https://appshunter.io/developer/1549261068) | [Wehrs Machine and Racing Products](https://appshunter.io/developer/1659286733) |

## What reviewers say

### Dirt Slingin Tech

[App page](https://appshunter.io/ios/app/dirt-slingin-tech-race-setup/id1549261066)

This app helps dirt track racers manage race car setups, time laps, and analyze telemetry. It provides digital setup sheets, corner-by-corner lap analysis, and AI-powered guidance for car adjustments. Track parts, maintenance, and access rulebooks for a competitive edge.

**Highlights:** Digital race car setup sheets, Lap timing and telemetry import, Corner-by-corner lap analysis, AI-powered setup guidance, Parts and maintenance tracking, Gearing calculator, Access to rulebooks

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| DST Pro | $8.99 | per month |
| DST Pro | $9.99 | per month |
| DST Pro Annual (Partner 10% Off) | $89.99 | per year |
| DST Pro Annual | $99.99 | per year |


### Wehrs Machine Data Log

[App page](https://appshunter.io/ios/app/wehrs-machine-data-log/id6757166127)

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Wehrs Machine Data Log Lifetime | $99.99 | one-time |


## Frequently asked questions

### Is Dirt Slingin Tech free?

Dirt Slingin Tech is free to download, with in-app purchases available.

### Is Wehrs Machine Data Log free?

Wehrs Machine Data Log is free to download, with in-app purchases available.

### Do Dirt Slingin Tech or Wehrs Machine Data Log have ads?

Neither Dirt Slingin Tech nor Wehrs Machine Data Log shows ads.

### Which is updated more often, Dirt Slingin Tech or Wehrs Machine Data Log?

Dirt Slingin Tech ships an update every 5 days, and Wehrs Machine Data Log fortnightly. Most recently, Dirt Slingin Tech was updated on November 11, 2026 and Wehrs Machine Data Log on November 9, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*