Comparison

EZ vs TC Tuner

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

Head to head
About

EZ

Control your vehicle's transmission settings wirelessly from your iOS device. Adjust shift points, firmness, and aggressiveness with intuitive data logging and self-diagnostics. Includes an anti-theft feature for remote vehicle disabling.

Highlights
  • Wireless transmission control via Bluetooth
  • Adjust shift points, firmness, and aggressiveness
  • Data logging and self-diagnostics
  • Remote anti-theft vehicle disabling
  • No laptop or software required
Features
Read full description

TCI® EZ-TCU™ Transmission Controller users can now tune their transmission via iOS devices. A wireless module enables Bluetooth communication between the EZ-TCU™ and an iOS app, enabling the user to control shift points, firmness and aggressiveness. Data logging and self-diagnostics make it possible to optimize tuning intuitively – without the need for software, a hand-held unit or cabling. There is also an anti-theft feature that allows for remote disabling of the vehicle. Features & Benefits: · Easy transmission control from your phone or tablet; no laptop or software needed · Maximum electronic control over the shift points, shift firmness and shift aggressiveness · Data logging and self-diagnostics for optimal tuning · Anti-theft feature for disabling vehicle through app · Compatible with 4L60E, 4L65E, 4L70E, 4L80E, 4L85E and TCI® 4x & 6x transmissions

About

TC Tuner

Features
Read full description

Custom car and hot rod enthusiasts utilizing Edelbrock TC and its wireless communication can tune the performance of their automatic transmission via mobile devices. The TC Tuner App works with the Edelbrock TC Transmission Controller, providing a simplified and intuitive UI with wireless Bluetooth communication between mobile devices and Transmission Control Unit for setup, calibrating, and monitoring data. TC Tuner includes a Setup Wizard to further simplify user functionality. No software, tuning experience, laptop or wired handheld unit is required. Provides simplified electronic control of shift points, shift firmness, downshift sensitivity and shift aggressiveness. Includes digital channel display for monitoring performance and diagnostics page for troubleshooting.

Screenshots

EZ3 screens
TC Tuner4 screens

Verdict

The call

The clearest difference is update cadence: EZ at monthly against TC Tuner's every 12 months. EZ also leads on iOS requirement (11.0 vs 14.0). On price, ads, in-app purchases and device support 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.

UpkeepUpdate frequency

EZ ships an update monthly, TC Tuner every 12 months. The most recent releases landed on September 26, 2026 and September 29, 2026 respectively.

Scorecard2 real differences · 8 level
EZ versus TC Tuner: the parameters behind the verdict, then further details
ParameterEZTC Tuner
PriceFreeFree
Rating3.9 (7 ratings) — better—
Positive reviews0.0% of reviews—
Number of ratings7 — better—
Update frequencyMonthly — betterEvery 12 months
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS11.0 — better14.0
Further details — not scored
Size11 MB19 MB
Age rating4+4+
DeveloperPerformance ElectronicsEdelbrock Corp

In-app purchases

None

EZ

No in-app purchases

None

TC Tuner

No in-app purchases

Questions

Is EZ free?
EZ is free to download, with no in-app purchases.
Is TC Tuner free?
TC Tuner is free to download, with no in-app purchases.
Do EZ or TC Tuner have ads?
Neither EZ nor TC Tuner shows ads.
Which is updated more often, EZ or TC Tuner?
EZ ships an update monthly, and TC Tuner every 12 months. Most recently, EZ was updated on September 26, 2026 and TC Tuner on September 29, 2026.

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