# MSD Ultra 6AL vs InfiSight

The clearest difference is update cadence: InfiSight at every 2 weeks against MSD Ultra 6AL's every 14 months. MSD Ultra 6AL's advantage is device support (3 vs 1) and iOS requirement (11.0 vs 16.0). On price, 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 ships an update every 14 months, InfiSight every 2 weeks. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | MSD Ultra 6AL | InfiSight |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/msd-ultra-6al/id1604967508/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 14 months | **Every 2 weeks** |
| Monetization | Free | — |
| Size | 115 MB | 237 MB |
| Requires iOS | **11.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Holley Performance Products](https://appshunter.io/developer/1175069390) | [Sharetronic Data Technology Co., Ltd](https://appshunter.io/developer/1755678310) |

## 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


### InfiSight

[App page](https://appshunter.io/ios/app/infisight/id6737089710)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is MSD Ultra 6AL free?

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

### Is InfiSight free?

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

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

Neither MSD Ultra 6AL nor InfiSight shows ads.

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

MSD Ultra 6AL ships an update every 14 months, and InfiSight every 2 weeks. Most recently, MSD Ultra 6AL was updated on November 3, 2026 and InfiSight on November 4, 2026.

---

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