Ultra Boost Piezo vs Convert Rai
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Ultra Boost Piezo
This application allows users to wirelessly adjust fuel supply and monitor engine performance metrics like RPM, boost, and speed via a mobile phone. It features an AI mode for automatic operation adjustments and offers a tangible price point for increased horsepower.
- Wireless fuel adjustment
- RPM and boost display
- AI automatic operation mode
- Monitor oil pressure
- GPS speed display
- Weather and air pressure data
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Ultra Boost New products from ECU = SHOP Application for adjust the fuel and display RPM CRP TURBO BOOST. MAP SPEED of the box can adjust the fuel supply by mobile phone. Connect to the box wirelessly And has a mode to choose from 4 operating modes with AI Mode that automatically changes the operation mode Super advanced technology at a tangible price Guaranteed to increase horsepower up 50 - 90. Do not release smoke. 1 year warranty for the control box. order at www.facebook.com/ecushop.official or www.ecu-shop.com property - AI Mode operation system - control chang operation mode - Adjust the fuel RPM 1000-4500 - shows the oil pressure from the sensor - Display mode - Show Rpm - Show Boost (Bar) - Show Air Flow (g/s) - Show Map/Air Flow (V.) - Show Speed (GPS) - Show the installed car model - Show location and weather, air pressure, wind speed, temperature
Convert Rai
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Easily convert Thai land units (Rai, Ngan, Square Wah) to international units (Square Meters, Square Kilometers, Acres, etc.) in real-time. Plus, calculate land prices effortlessly with built-in conversion tools. - Real-time land unit conversion - Automatic land price calculation - Save results for future reference - Copy results instantly for further use Perfect for investors, real estate agents, and landowners who need a fast and accurate land conversion tool. Try it now!
Screenshots
Verdict
The clearest difference is price: Ultra Boost Piezo at Free against Convert Rai's $0.99. Ultra Boost Piezo also leads on iOS requirement (11.0 vs 13.0). 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
Ultra Boost Piezo is free to download; Convert Rai costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Ultra Boost Piezo ships an update fortnightly, Convert Rai every 4 weeks. The most recent releases landed on October 20, 2026 and October 19, 2026 respectively.
| Parameter | Ultra Boost Piezo | Convert Rai |
|---|---|---|
| Price | Free — better | $0.99 |
| Rating | 3.8 (4 ratings) — better | — |
| Positive reviews | 80.0% of reviews | — |
| Number of ratings | 4 — better | — |
| Update frequency | Fortnightly — better | Every 4 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 11.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 80 MB | 17 MB |
| Age rating | 4+ | 4+ |
| Developer | ECU=SHOP | Khanin Chomphusri |
In-app purchases
Ultra Boost Piezo
No in-app purchases
Convert Rai
No in-app purchases
Questions
Is Ultra Boost Piezo free?
Is Convert Rai free?
Do Ultra Boost Piezo or Convert Rai have ads?
Which is updated more often, Ultra Boost Piezo or Convert Rai?
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