aRacerOBD vs Tech2
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
aRacerOBD
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The functions include: 1. Engine data monitoring from ECU in real time. 2. Shows and resets engine DTC codes in the ECU. 3. Component test function for inspecting the component activation. (Injector, Fuel pump, ignition coil, etc.) 4. Shows the ECU information. (Hardware version, software version, etc.)
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.
- Real-time tuning
- Anti-theft protection
- Multiple operation modes
- Injector tuning
- Ignition timing tuning
- BARO compensation
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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
Screenshots
Verdict
The clearest difference is update cadence: Tech2 at every 3 months against aRacerOBD's every 8 months. aRacerOBD's advantage is iOS requirement (10.0 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
aRacerOBD ships an update every 8 months, Tech2 every 3 months. The most recent releases landed on October 10, 2026 and September 30, 2026 respectively.
| Parameter | aRacerOBD | Tech2 |
|---|---|---|
| Price | Free | Free |
| Positive reviews | — | 50.0% of reviews |
| Update frequency | Every 8 months | Every 3 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 10.0 — better | 14.0 |
| Further details — not scored | ||
| Size | 17 MB | 52 MB |
| Age rating | 4+ | 17+ |
| Developer | ARACER SPEEDTEK INC. | ECU=SHOP |
In-app purchases
aRacerOBD
No in-app purchases
Tech2
No in-app purchases
