Comparison

123\Tune+ vs MSD Ultra 6AL

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

123\Tune+

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
Read full description

Take full control of your classic car’s ignition with the 123\Tune+ app and distributor. Wirelessly adjust and upload custom advance and vacuum curves via Bluetooth. Monitor real-time engine data including RPM, battery voltage, distributor temperature, MAP pressure, ignition advance, and GPS speed. The 123\Tune+ offers advanced features like a PIN-code immobilizer for theft protection, a soft rev limiter, and a unique "Tune" mode for testing ignition timing impact on acceleration between two RPM points. Compatible with both 6V and 12V systems, CW and CCW rotation, and equipped with a MAP/boost sensor. Works with a wide range of classic vehicles — from Alfa Romeo and Jaguar to Volkswagen and Volvo. Visit 123ignition.com for supported models and more details.

About

MSD Ultra 6AL

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
Read full description

The MSD Ultra 6AL Series Ignition offers control and adjustment of familiar functions with its own user friendly, intuitive app. It has been designed with tabs to help users easily select and update cylinder configuration, Launch Rev Limits, Step Retards and view parameters in real time. Also available are diagnostic alerts to ease troubleshooting. App Features: Bluetooth connectivity via the MSD App. Cylinder Selection & Start Retard Programming 3-Step Rev Limit Settings (Launch, Burnout & Max) Launch Latch Setting Step-Retard Settings Custom Monitors Diagnostic Alerts

Screenshots

123\Tune+4 screens
MSD Ultra 6AL2 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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.

Scorecard5 real differences · 5 level
123\Tune+ versus MSD Ultra 6AL: the parameters behind the verdict, then further details
Parameter123\Tune+MSD Ultra 6AL
PriceFreeFree
Rating4.5 (256 ratings)5.0 (1 ratings) — better
Positive reviews57.7% of reviews100.0% of reviews — better
Number of ratings256 — better1
Update frequencyEvery 3 weeks — betterEvery 14 months
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS16.011.0 — better
Further details — not scored
Size209 MB115 MB
Age rating4+4+
DeveloperAlbertronic B.V.Holley Performance Products

Customer experience

123\Tune+

All ratings242 ratings
Positive87.6%
Neutral2.9%
Negative9.5%
Written reviews26 reviews
Positive57.7%
Neutral7.7%
Negative34.6%

MSD Ultra 6AL

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

123\Tune+

No in-app purchases

None

MSD Ultra 6AL

No in-app purchases

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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