# MSD Ultra 6AL vs GoDeadOn

The clearest difference is in-app purchases: MSD Ultra 6AL at none against GoDeadOn's 2. MSD Ultra 6AL also leads on iOS requirement (11.0 vs 15.0). GoDeadOn's advantage is update cadence (every 11 days vs every 14 months) and ratings volume (685 vs 1). On price, rating, review sentiment and ads there is nothing between them.

Both are free to download. GoDeadOn sells 2 in-app purchases, starting at $4.99 per month. MSD Ultra 6AL asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for MSD Ultra 6AL against 4.9 for GoDeadOn. That said, the two scores are not equally well evidenced: GoDeadOn has 685 ratings behind it against 1, so its average is the more settled of the two. Written reviews are what separate them: 100% of MSD Ultra 6AL's written reviews are positive against 93% of GoDeadOn's.

MSD Ultra 6AL ships an update every 14 months, GoDeadOn every 11 days. The most recent releases landed on September 11, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | MSD Ultra 6AL | GoDeadOn |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/msd-ultra-6al/id1604967508/reviews)** | [4.9 (685 ratings)](https://appshunter.io/ios/app/godeadon/id6446056005/reviews) |
| Number of ratings | 1 | **685** |
| Positive reviews | **100.0% of reviews** | 92.9% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 14 months | **Every 11 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 115 MB | 62 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Holley Performance Products](https://appshunter.io/developer/1175069390) | [Logan Back](https://appshunter.io/developer/1675706718) |

## What reviewers say

### MSD Ultra 6AL

[App page](https://appshunter.io/ios/app/msd-ultra-6al/id1604967508)

This app provides intuitive control and adjustment for ignition systems. Easily manage cylinder configurations, set rev limits, and view real-time parameters. Diagnostic alerts help with troubleshooting.

**Highlights:** Bluetooth connectivity, Cylinder selection, Launch, Burnout & Max Rev Limit settings, Step-Retard programming, Diagnostic alerts, Real-time parameter monitoring

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

**In-app purchases:** none


### GoDeadOn

[App page](https://appshunter.io/ios/app/godeadon/id6446056005)

This app serves as a comprehensive logbook for drag racing enthusiasts. It allows users to easily record race runs, analyze performance metrics like split times, and manage vehicle details. Integrated weather data helps optimize racing strategy.

**Highlights:** Effortless race run logging, Performance analytics and split times, Automatic weather integration, Vehicle profile management, Maintenance record tracking, User-friendly interface

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $4.99 | per month |
| Premium | $4.99 | per month |


## Frequently asked questions

### Is MSD Ultra 6AL free?

MSD Ultra 6AL is free to download, with no in-app purchases.

### Is GoDeadOn free?

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

### Which has better reviews, MSD Ultra 6AL or GoDeadOn?

MSD Ultra 6AL is rated higher. MSD Ultra 6AL averages 5.0 out of 5 from 1 ratings, while GoDeadOn averages 4.9 from 685 ratings.

### Do MSD Ultra 6AL or GoDeadOn have ads?

Neither MSD Ultra 6AL nor GoDeadOn shows ads.

### Which is updated more often, MSD Ultra 6AL or GoDeadOn?

MSD Ultra 6AL ships an update every 14 months, and GoDeadOn every 11 days. Most recently, MSD Ultra 6AL was updated on September 11, 2026 and GoDeadOn on September 24, 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.*