EZ vs TCI TUNER
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- 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
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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
TCI TUNER
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Custom car and hot rod enthusiast utilizing TCI TUNER and its wireless communication can tune the performance of their automatic transmission via mobile devices. The TCI TUNER App works with the TCI 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.
Screenshots
Verdict
The clearest difference is update cadence: EZ at monthly against TCI TUNER's every 7 months. EZ also leads on iOS requirement (11.0 vs 15.0). 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
EZ ships an update monthly, TCI TUNER every 7 months. The most recent releases landed on October 24, 2026 and October 27, 2026 respectively.
| Parameter | EZ | TCI TUNER |
|---|---|---|
| Price | Free | Free |
| Rating | 3.9 (7 ratings) — better | — |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | 7 — better | — |
| Update frequency | Monthly — better | Every 7 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 11.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 11 MB | 20 MB |
| Age rating | 4+ | 4+ |
| Developer | Performance Electronics | Edelbrock Corp |
In-app purchases
EZ
No in-app purchases
TCI TUNER
No in-app purchases









