# 123\Tune+ vs MSD Ultra 6AL

The clearest difference is review sentiment: MSD Ultra 6AL at 100% against 123\Tune+'s 58%. MSD Ultra 6AL also leads on rating (5.0 vs 4.5) and iOS requirement (11.0 vs 16.0). 123\Tune+'s advantage is update cadence (every 3 weeks vs every 14 months) and ratings volume (256 vs 1). On price, ads, in-app purchases and monetization model 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 4.5. That said, the two scores are not equally well evidenced: 123\Tune+ has 256 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 58% of 123\Tune+'s written reviews are positive against 100% of MSD Ultra 6AL's.

123\Tune+ ships an update every 3 weeks, MSD Ultra 6AL every 14 months. The most recent releases landed on November 6, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | 123\Tune+ | MSD Ultra 6AL |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (256 ratings)](https://appshunter.io/ios/app/123tune-plus/id890882601/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/msd-ultra-6al/id1604967508/reviews)** |
| Number of ratings | **256** | 1 |
| Positive reviews | 57.7% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 14 months |
| Monetization | Free | Free |
| Size | 209 MB | 115 MB |
| Requires iOS | 16.0 | **11.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Albertronic B.V.](https://appshunter.io/developer/890882604) | [Holley Performance Products](https://appshunter.io/developer/1175069390) |

## What reviewers say

### 123\Tune+

[App page](https://appshunter.io/ios/app/123tune-plus/id890882601)

Control your classic car's ignition wirelessly via Bluetooth. Adjust advance and vacuum curves, monitor real-time engine data, and utilize features like a PIN-code immobilizer and rev limiter. Compatible with a wide range of classic vehicles.

**Highlights:** Wireless ignition curve adjustment, Real-time engine data monitoring, PIN-code immobilizer, Soft rev limiter, Tune mode for timing tests, MAP/boost sensor support

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

**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 123\Tune+ free?

123\Tune+ 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, 123\Tune+ or MSD Ultra 6AL?

MSD Ultra 6AL is rated higher. 123\Tune+ averages 4.5 out of 5 from 256 ratings, while MSD Ultra 6AL averages 5.0 from 1 ratings.

### Do 123\Tune+ or MSD Ultra 6AL have ads?

Neither 123\Tune+ nor MSD Ultra 6AL shows ads.

### Which is updated more often, 123\Tune+ or MSD Ultra 6AL?

123\Tune+ ships an update every 3 weeks, and MSD Ultra 6AL every 14 months. Most recently, 123\Tune+ was updated on November 6, 2026 and MSD Ultra 6AL on November 3, 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.*