Comparison

Boostane vs Holley Terminator X

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

Head to head
About

Boostane

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
Read full description

Welcome to the new and innovative app for BOOSTane Octane Booster! This app will help you calculate the amount of BOOSTane that you will need in order to reach a desired octane. Features Include: ·  Save Calculations to Favorites ·  Email or Text Your Calculations ·  Get Estimated Horsepower for Calculations ·  Great Design and Easy to Use!

About

Holley Terminator X

Unlock advanced vehicle tuning control with this app. Fine-tune over 250 engine parameters for maximum performance using a mobile-friendly interface. Monitor vital engine data, create custom tunes, and share tuning files effortlessly.

Highlights
  • 250+ customizable engine parameters
  • Real-time engine data monitoring
  • Intuitive setup wizard for base tunes
  • Create, manage, and share tuning files
  • Record and share datalogs
  • Step-by-step TPS setup
Read full description

UNLOCK THE NEXT LEVEL OF TUNING CONTROL FOR YOUR VEHICLE with the Holley Terminator X EFI mobile app — the ultimate companion for performance tuning right from your iPhone or iPad. Take control of your engine’s performance with 250+ CUSTOMIZABLE PARAMETERS FOR PRECISE TUNING. Designed for enthusiasts and professionals alike, the Holley Terminator X EFI app lets you FINE TUNE ENGINE PARAMETERS FOR MAXIMUM PERFORMANCE — all from the convenience of your mobile device. Key Features: · Six pre-defined real-time monitoring screens for instant access to vital engine data · Intuitive setup wizard helps you easily create a powerful base tune in minutes · View real-time gauges on screen at a glance – no laptop required · Effortlessly create, manage, and share your tuning files with others · Record and share datalogs to review your performance anytime, anywhere · Simple, step-by-step Throttle Position Sensor (TPS) setup for accurate control Built specifically for use with Holley’s Terminator X EFI systems, this app gives you advanced tuning capabilities in a streamlined, mobile-friendly interface. Perfect for racers, tuners, and performance enthusiasts — take your tuning to the next level and keep your engine dialed in with Holley. App Requires the Holley Bluetooth Module to connect to the Terminator X ECU.

Screenshots

Boostane4 screens
Holley Terminator X4 screens

Verdict

The call

The clearest difference is review sentiment: Holley Terminator X at 100% against Boostane's 7%. Holley Terminator X also leads on rating (4.4 vs 2.0) and update cadence (every 2 months vs every 14 months). Boostane's advantage is ratings volume (27 vs 5) and iOS requirement (10.0 vs 15.0). 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

Holley Terminator X holds the better App Store score, 4.4 against 2.0. That said, the two scores are not equally well evidenced: Boostane has 27 ratings behind it against 5, 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 Holley Terminator X's.

UpkeepUpdate frequency

Boostane ships an update every 14 months, Holley Terminator X every 2 months. The most recent releases landed on October 22, 2026 and October 24, 2026 respectively.

Scorecard5 real differences · 5 level
Boostane versus Holley Terminator X: the parameters behind the verdict, then further details
ParameterBoostaneHolley Terminator X
PriceFreeFree
Rating2.0 (27 ratings)4.4 (5 ratings) — better
Positive reviews6.9% of reviews100.0% of reviews — better
Number of ratings27 — better5
Update frequencyEvery 14 monthsEvery 2 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS10.0 — better15.0
Further details — not scored
Size38 MB227 MB
Age rating4+4+
DeveloperBOOSTane, LLCHolley Performance Products

Customer experience

Boostane

All ratings24 ratings
Positive20.8%
Neutral8.3%
Negative70.8%
Written reviews29 reviews
Positive6.9%
Neutral10.3%
Negative82.8%

Holley Terminator X

All ratings5 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews3 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Boostane

No in-app purchases

None

Holley Terminator X

No in-app purchases

Questions

Is Boostane free?
Boostane is free to download, with no in-app purchases.
Is Holley Terminator X free?
Holley Terminator X is free to download, with no in-app purchases.
Which has better reviews, Boostane or Holley Terminator X?
Holley Terminator X is rated higher. Boostane averages 2.0 out of 5 from 27 ratings, while Holley Terminator X averages 4.4 from 5 ratings.
Do Boostane or Holley Terminator X have ads?
Neither Boostane nor Holley Terminator X shows ads.
Which is updated more often, Boostane or Holley Terminator X?
Boostane ships an update every 14 months, and Holley Terminator X every 2 months. Most recently, Boostane was updated on October 22, 2026 and Holley Terminator X on October 24, 2026.

Other comparisons