Comparison

EZ vs TTS Tuning

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

TTS Tuning

This advanced tool enables automotive professionals and enthusiasts to upgrade vehicle hardware and firmware. It connects to a vehicle's interface via an enet adapter cable, simplifying performance enhancements and ensuring compatibility with the latest technology. Robust security features protect data and vehicle stability during upgrades.

Highlights
  • Connects via enet adapter cable
  • Firmware upgrades
  • User-friendly interface
  • Detailed upgrade guidance
  • Troubleshooting support
  • Robust security features
Read full description

"TTS Tuning is an advanced automotive hardware upgrading tool, designed specifically for vehicle maintenance professionals and automotive enthusiasts. Utilizing an enet adapter cable, this software can connect to the vehicle's hardware interface, facilitating efficient and secure firmware upgrades. Whether aiming to enhance vehicle performance or ensure compatibility with the latest technological standards, TTS Tuning provides a first-rate solution. Key features of the software include: A user-friendly interface that simplifies the upgrade process, making operations more intuitive. Detailed upgrade guidance and troubleshooting support to ensure a smooth upgrade process. Robust security features to ensure the safety of data and stability of the vehicle during upgrades. Whether you are a technician at an auto repair shop or an automotive modification enthusiast, TTS Tuning is the ideal choice for enhancing vehicle performance and maintaining automotive safety."

Screenshots

EZ3 screens
TTS Tuning4 screens

Verdict

The call

The clearest difference is rating: TTS Tuning at 5.0 against EZ's 3.9. EZ's advantage is update cadence (monthly vs every 2 months) and ratings volume (7 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

TTS Tuning holds the better App Store score, 5.0 against 3.9. That said, the two scores are not equally well evidenced: EZ has 7 ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

EZ ships an update monthly, TTS Tuning every 2 months. Both last shipped on October 24, 2026.

Scorecard4 real differences · 6 level
EZ versus TTS Tuning: the parameters behind the verdict, then further details
ParameterEZTTS Tuning
PriceFreeFree
Rating3.9 (7 ratings)5.0 (1 ratings) — better
Positive reviews0.0% of reviews—
Number of ratings7 — better1
Update frequencyMonthly — betterEvery 2 months
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPodiPhone, iPod
Requires iOS11.0 — better13.0
Further details — not scored
Size11 MB3 MB
Age rating4+4+
DeveloperPerformance ElectronicsHuan Ma

Customer experience

EZ

All ratings7 ratings
Positive57.1%
Neutral28.6%
Negative14.3%
Written reviews1 reviews
Positive0.0%
Neutral100.0%
Negative0.0%

TTS Tuning

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

EZ

No in-app purchases

None

TTS Tuning

No in-app purchases

Questions

Is EZ free?
EZ is free to download, with no in-app purchases.
Is TTS Tuning free?
TTS Tuning is free to download, with no in-app purchases.
Which has better reviews, EZ or TTS Tuning?
TTS Tuning is rated higher. EZ averages 3.9 out of 5 from 7 ratings, while TTS Tuning averages 5.0 from 1 ratings.
Do EZ or TTS Tuning have ads?
Neither EZ nor TTS Tuning shows ads.
Which is updated more often, EZ or TTS Tuning?
EZ ships an update monthly, and TTS Tuning every 2 months. Most recently, EZ was updated on October 24, 2026 and TTS Tuning on October 24, 2026.

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