Comparison

Tech2 vs ESR ProMax

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

Head to head
About

Tech2

This utility app offers real-time tuning and configuration for various operational modes. It provides advanced customization options for ignition timing, fuel, and compensation, along with anti-theft protection and analysis features.

Highlights
  • Real-time tuning
  • Anti-theft protection
  • Multiple operation modes
  • Injector tuning
  • Ignition timing tuning
  • BARO compensation
Features
Read full description

Application Functions Configuration: * Easy installation * Real-time tuning Security: * Anti-theft protection Operation Modes: * 3 modes Customization: * Calibration * Injector tuning * Ignition timing tuning * Compensation tuning Analysis: * Analysis Additional Tuning: * TPS enrichment tuning * Fuel start tuning Compensation: * BARO compensation

About

ESR ProMax

Features
Read full description

ESR ProMax is a professional ECU tuning application designed for motorcycle enthusiasts and technicians. Connect wirelessly via Bluetooth to your ESR ECU and take full control of your engine performance in real time. KEY FEATURES โ€ข Real-Time Dashboard Monitor live engine data including RPM, AFR (Air-Fuel Ratio), TPS, ignition timing, injector pulse width, water temperature, air temperature, battery voltage, and GPS speed โ€” all on a single screen. โ€ข Fuel & Ignition Tuning Edit injector and ignition maps directly from your phone using an intuitive 2D tuning table. Fine-tune fuel delivery and spark timing for optimal performance. โ€ข ECU Configuration Configure compensation tables, cold-start fuel, idle settings, motor sport mode, and more โ€” all from your device. โ€ข Save & Load Profiles Save multiple tune profiles locally and switch between setups instantly. Perfect for track days vs. street riding. โ€ข Unit Support Switch between metric and imperial units to match your preference. REQUIREMENTS - Compatible ESR ECU hardware - Bluetooth 4.0 (BLE) enabled device ESR ProMax puts professional-grade ECU tuning in your pocket. Whether you're chasing peak power on the track or dialing in fuel efficiency on the street, ESR ProMax gives you the tools to get there.

Screenshots

Tech24 screens
ESR ProMax4 screens

Verdict

The call

The clearest difference is update cadence: ESR ProMax at fortnightly against Tech2's every 3 months. On price, ads, in-app purchases and device support there is nothing between them.

Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Tech2 ships an update every 3 months, ESR ProMax fortnightly. The most recent releases landed on October 16, 2026 and October 6, 2026 respectively.

Scorecard1 real difference ยท 7 level
Tech2 versus ESR ProMax: the parameters behind the verdict, then further details
ParameterTech2ESR ProMax
PriceFreeFree
Positive reviews50.0% of reviewsโ€”
Update frequencyEvery 3 monthsFortnightly โ€” better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeโ€”
DevicesiPhone, iPodiPhone, iPod
Requires iOS14.0 โ€” better15.0
Further details โ€” not scored
Size52 MB65 MB
Age rating17+4+
DeveloperECU=SHOPSuthipoj tripuwabhrut

In-app purchases

None

Tech2

No in-app purchases

None

ESR ProMax

No in-app purchases

Questions

Is Tech2 free?
Tech2 is free to download, with no in-app purchases.
Is ESR ProMax free?
ESR ProMax is free to download, with no in-app purchases.
Do Tech2 or ESR ProMax have ads?
Neither Tech2 nor ESR ProMax shows ads.
Which is updated more often, Tech2 or ESR ProMax?
Tech2 ships an update every 3 months, and ESR ProMax fortnightly. Most recently, Tech2 was updated on October 16, 2026 and ESR ProMax on October 6, 2026.

Other comparisons