EngineCalc vs Tech2
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
EngineCalc
This utility app provides a collection of essential formulas and calculators for powersports and engine tuning. It allows users to perform complex calculations directly on their iPhone, eliminating the need for a laptop or desktop computer.
- Powersports formulas
- Engine tuning calculators
- Actual Volume Flow
- Air Density
- Compression Ratio
- Cylinder Displacement
- Volumetric Efficiency
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EngineCalc is a collection of useful formulas (calculators) for those involved with powersports or engine tuning, in general. Instead of carrying around a laptop or relying on access to a desktop computer with a spreadsheet, you can get the calculations you need right on the handy iPhone in your pocket. Here is a partial list of the "calculators" provided here in EngineCalc: * Actual Volume Flow * Air Density * BHP Loss * Compression Height * Compression Ratio * Corrected BHP * Cylinder Displacement * Horsepower * Mass Flow * Piston Dome Volume * Piston Speed * Rod Length * Simple Horsepower * Theoretical Volume Flow * Torque * Volumetric Efficiency
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 price: Tech2 at Free against EngineCalc's $0.99. EngineCalc's advantage is review sentiment (60% vs 50%) and iOS requirement (6.0 vs 14.0). On update cadence, 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
Tech2 is free to download; EngineCalc costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
EngineCalc ships an update every 2 months, Tech2 every 3 months. The most recent releases landed on September 21, 2026 and September 30, 2026 respectively.
| Parameter | EngineCalc | Tech2 |
|---|---|---|
| Price | $0.99 | Free — better |
| Rating | 2.3 (3 ratings) — better | — |
| Positive reviews | 60.0% of reviews — better | 50.0% of reviews |
| Number of ratings | 3 — better | — |
| Update frequency | Every 2 months — better | Every 3 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Free — better |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 6.0 — better | 14.0 |
| Further details — not scored | ||
| Size | 8 MB | 52 MB |
| Age rating | 4+ | 17+ |
| Developer | iTrinity, Inc. | ECU=SHOP |
Customer experience
EngineCalc
Tech2
In-app purchases
EngineCalc
No in-app purchases
Tech2
No in-app purchases
