# MWDR Slips vs Ball Movement

The clearest difference is in-app purchases: Ball Movement at none against MWDR Slips's 2. MWDR Slips's advantage is update cadence (every 9 days vs every 3 months). On price, ads, device support and iOS requirement there is nothing between them.

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

MWDR Slips ships an update every 9 days, Ball Movement every 3 months. The most recent releases landed on October 24, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | MWDR Slips | Ball Movement |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/mwdr-slips/id1533973095/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 9 days** | Every 3 months |
| Monetization | Free with in-app purchases | — |
| Size | 22 MB | 45 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | +4 | 4+ |
| Developer | [Stephan Monette](https://appshunter.io/developer/1299469285) | [Bracket Team LLC](https://appshunter.io/developer/1533346995) |

## What reviewers say

### MWDR Slips

[App page](https://appshunter.io/ios/app/mwdr-slips/id1533973095)

Access real-time drag racing time slips and detailed race information directly on your phone. Enhance your race day experience with live announcer audio, weather data, and automatic density altitude calculations to optimize engine tuning and dial-in strategies.

**Highlights:** Real-time time slip data, Live announcer audio stream, Weather station information, Automatic density altitude calculation, Engine tuning assistance, Dial-in calculation support

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

**In-app purchases (2)**

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


### Ball Movement

[App page](https://appshunter.io/ios/app/ball-movement/id1612847142)

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

**In-app purchases:** none


## Frequently asked questions

### Is MWDR Slips free?

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

### Is Ball Movement free?

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

### Do MWDR Slips or Ball Movement have ads?

Neither MWDR Slips nor Ball Movement shows ads.

### Which is updated more often, MWDR Slips or Ball Movement?

MWDR Slips ships an update every 9 days, and Ball Movement every 3 months. Most recently, MWDR Slips was updated on October 24, 2026 and Ball Movement on October 5, 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.*