# Boostane vs MSD Ultra 6AL

The clearest difference is review sentiment: MSD Ultra 6AL at 100% against Boostane's 7%. MSD Ultra 6AL also leads on rating (5.0 vs 2.0). Boostane's advantage is ratings volume (27 vs 1). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

MSD Ultra 6AL holds the better App Store score, 5.0 against 2.0. That said, the two scores are not equally well evidenced: Boostane has 27 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 7% of Boostane's written reviews are positive against 100% of MSD Ultra 6AL's.

Both ship on a similar rhythm, roughly every 14 months. The most recent releases landed on October 22, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Boostane | MSD Ultra 6AL |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.0 (27 ratings)](https://appshunter.io/ios/app/boostane/id605708599/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/msd-ultra-6al/id1604967508/reviews)** |
| Number of ratings | **27** | 1 |
| Positive reviews | 6.9% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 14 months | Every 14 months |
| Monetization | Free | Free |
| Size | 38 MB | 115 MB |
| Requires iOS | **10.0** | 11.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [BOOSTane, LLC](https://appshunter.io/developer/605708602) | [Holley Performance Products](https://appshunter.io/developer/1175069390) |

## What reviewers say

### Boostane

[App page](https://appshunter.io/ios/app/boostane/id605708599)

Calculate the precise amount of octane booster needed to achieve your desired fuel octane. Save calculations, share them via email or text, and get estimated horsepower gains.

**Highlights:** Calculate required octane booster amount, Save calculations to favorites, Share calculations via email or text, Estimate horsepower gains, User-friendly design

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Boostane free?

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

### Is MSD Ultra 6AL free?

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

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

MSD Ultra 6AL is rated higher. Boostane averages 2.0 out of 5 from 27 ratings, while MSD Ultra 6AL averages 5.0 from 1 ratings.

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

Neither Boostane nor MSD Ultra 6AL shows ads.

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

Boostane ships an update every 14 months, and MSD Ultra 6AL every 14 months. Most recently, Boostane was updated on October 22, 2026 and MSD Ultra 6AL on October 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.*