Comparison

E vs HIGH MANAGER

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

Head to head
About

E

This app connects wirelessly to an EFI system, allowing users to monitor engine data and adjust various settings like air-fuel ratios and ignition timing. It offers a setup wizard for initial calibration and advanced tuning options for performance optimization.

Highlights
  • Bluetooth ECU communication
  • Live tuning of ECU settings
  • Real-time engine and sensor data monitoring
  • Setup Wizard for base calibration
  • Advanced tuning functions
  • Diagnostic troubleshooting page
  • Vivid gauge displays
Features
Read full description

E-Tuner 4 is Edelbrock's latest exclusive iOS app for the Pro-Flo 4 and EZ Street EFI Systems. E-Tuner 4 communicates with your PF4 or EZ Street ECU via Bluetooth, so you can manage and live-tune a variety of ECU settings such as air-fuel ratios, ignition timing, idle speed, acceleration fuel, or cold start mixture as well as monitor engine and sensor data in real-time wirelessly from your iPhone or iPad. The E Tuner 4 Setup Wizard simplifies your Pro Flo 4 or EZ Street EFI setup by assisting you with selecting the proper base calibration for your specific application. All you need to know is the engine displacement (CID) and camshaft, and kit specifications, and you're good to go! E-Tuner 4 applies a solid base calibration so you can run the vehicle without having to change any tuning settings. But, if you'd like to make changes, E-Tuner 4 offers a selection of "Advanced Tuning" functions to help dial in your calibration and get the vehicle’s performance exactly where you want it. Whether you'd like to run a bit leaner while cruising for improved mileage, or advance timing for more performance, the Advanced Tuning section is there for you. A diagnostic page for troubleshooting purposes is also available. Once you're up and running, feel free to explore E-Tuner 4’s vivid gauge displays to monitor your engine's performance. Unlike other tuning hand-held combos, you can actually use your phone or tablet as a mini-dashboard once you're done tuning. You can also preview E-Tuner 4 without being connected to an Edelbrock EFI System by enabling "Demo Mode." This will allow you to access the app's main features, and interact with pages like the Setup Wizard, Advanced Tuning, and Gauge Displays to get a feel for how E-Tuner 4 functions. *** Warning! *** E-Tuner 4 is only compatible with the Edelbrock Pro-Flo 4 and EZ Street EFI Systems. It is NOT compatible with V1 E-Street, V2 E-Street, or Pro-Flo 3 EFI systems nor does it work with other Edelbrock Legacy EFI Systems. The E-Tuner 4 app supports all iPhones and iPads running iOS 16 and higher at this time. Please check back later for updates

About

HIGH MANAGER

This utility app allows users to set and monitor air pressure for suspension systems. It aims to optimize the user experience by matching set pressure to current conditions.

Highlights
  • Set air pressure
  • Display pressure value
  • Match pressure to conditions
  • Optimize suspension experience
Features
Read full description

The user sets air pressure and display its value according to the suspension conditions. The high manager matches the pressure which set by user to achieve the best experience.

Screenshots

E4 screens
HIGH MANAGER4 screens

Verdict

The call

The clearest difference is rating: E at 3.9 against HIGH MANAGER's 1.6. E also leads on review sentiment (46% vs 17%). HIGH MANAGER's advantage is iOS requirement (11.0 vs 16.0). On price, ratings volume, update cadence and ads 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

E holds the better App Store score, 3.9 against 1.6. Both are backed by a comparable volume of ratings — 24 and 12 respectively. Written reviews point the same way: 46% of E's written reviews are positive against 17% of HIGH MANAGER's.

UpkeepUpdate frequency

E ships an update every 4 months, HIGH MANAGER every 2 months. The most recent releases landed on October 14, 2026 and October 20, 2026 respectively.

Scorecard3 real differences · 7 level
E versus HIGH MANAGER: the parameters behind the verdict, then further details
ParameterEHIGH MANAGER
PriceFreeFree
Rating3.9 (24 ratings) — better1.6 (12 ratings)
Positive reviews46.2% of reviews — better16.7% of reviews
Number of ratings24 — better12
Update frequencyEvery 4 monthsEvery 2 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPadiPhone, iPod
Requires iOS16.011.0 — better
Further details — not scored
Size51 MB15 MB
Age rating4+4+
DeveloperEdelbrock CorpQI Automotive Co.,Ltd

Customer experience

E

All ratings24 ratings
Positive66.7%
Neutral20.8%
Negative12.5%
Written reviews13 reviews
Positive46.2%
Neutral30.8%
Negative23.1%

HIGH MANAGER

All ratings11 ratings
Positive18.2%
Neutral0.0%
Negative81.8%
Written reviews6 reviews
Positive16.7%
Neutral0.0%
Negative83.3%

In-app purchases

None

E

No in-app purchases

None

HIGH MANAGER

No in-app purchases

Questions

Is E free?
E is free to download, with no in-app purchases.
Is HIGH MANAGER free?
HIGH MANAGER is free to download, with no in-app purchases.
Which has better reviews, E or HIGH MANAGER?
E is rated higher. E averages 3.9 out of 5 from 24 ratings, while HIGH MANAGER averages 1.6 from 12 ratings.
Do E or HIGH MANAGER have ads?
Neither E nor HIGH MANAGER shows ads.
Which is updated more often, E or HIGH MANAGER?
E ships an update every 4 months, and HIGH MANAGER every 2 months. Most recently, E was updated on October 14, 2026 and HIGH MANAGER on October 20, 2026.

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