Comparison

Response vs Shift Pro

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

Head to head

About

Response

Features

Read full description

The app use with "ECU=SHOP" Response Features: THROTTLE RESPONSE - 14 step accelerator pedal response - Mode 0 = By pass to OEM setting - Mode Street 6 step - Mode Sport 4 step - Mode Sport+ 4 step - Door lock and unlock - New driver function - Notify service car - Brake deactivate ACP - Alert water temp over limit - Auto door lock speed

About

Shift Pro

This application allows users to tune the fuel distribution of injectors. It provides functions to display, configure, and log data, as well as open and save configuration files.

Highlights

Display fuel data
Configure fuel data
Open and save files
Data logging

Features

Read full description

Application used for tuning the fuel distribution of injectors. Functions - Display Data. - config Data. - open and save files. - Data Log.

Screenshots

Response3 screens

Shift Pro4 screens

Verdict

The call

The clearest difference is ads: Response at none against Shift Pro's shown. Response also leads on update cadence (every 5 days vs every 2 months) and iOS requirement (8.0 vs 12.0). On price, 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

Response ships an update every 5 days, Shift Pro every 2 months. The most recent releases landed on October 29, 2026 and October 10, 2026 respectively.

Scorecard3 real differences · 5 level

Response versus Shift Pro: the parameters behind the verdict, then further details
Parameter	Response	Shift Pro
Price	Free	Free
Positive reviews	—	33.3% of reviews
Update frequency	Every 5 days — better	Every 2 months
Ads	No — better	Yes
In-app purchases	No	No
Monetization	—	Ad-supported
Devices	iPhone, iPod	iPhone, iPod
Requires iOS	8.0 — better	12.0
Further details — not scored
Size	55 MB	29 MB
Age rating	4+	4+
Developer	ECU=SHOP	NK RACING PARTS COMPANY LIMITED

In-app purchases

None

Response

No in-app purchases

None

Shift Pro

No in-app purchases

Questions

Is Response free?

Response is free to download, with no in-app purchases.

Is Shift Pro free?

Shift Pro is free to download, with no in-app purchases.

Do Response or Shift Pro have ads?

Shift Pro shows ads; Response does not.

Which is updated more often, Response or Shift Pro?

Response ships an update every 5 days, and Shift Pro every 2 months. Most recently, Response was updated on October 29, 2026 and Shift Pro on October 10, 2026.