Plus vs Pro Unit Converter
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Plus
This app helps you determine the correct tire pressure for your vehicle based on various international standards. It supports multiple pressure units and highlights the benefits of proper inflation for performance, safety, and fuel efficiency.
- Selectable tire standards (XL, RFD, ETRTO, TRA, JATMA)
- Switchable pressure units (kPa, bar, kg/cm2, psi)
- Benefits of correct tire pressure explained
- Guidance on checking tire pressure frequency
- Supports iPhone and iPad
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>>>Selectable tire standards. - XL_ExtraLoad - RFD_Reinforced - ETRTO_European - TRA_American - JATMA_Japanese >>>Switchable Pressure Units. - kpa - bar - kg/cm2 - psi >>>The correct tire pressure will give you benefits. - Bring out full performance. - Prevent flat tire. - Save gas. - Achieve SDGs 12 and 13. >>>To keep best condition. - Check the tire pressures at least per month. Let's enjoy comfortable and safety drive !
Pro Unit Converter
This free utility app offers a quick and convenient way to convert various units with a beautiful and intuitive interface. Save frequently used conversions for easy access and convert everything from area and length to temperature and data.
- Multiple conversion categories
- Save frequent conversions
- Intuitive user interface
- Quick input and results
- Beautiful design
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A great and free application, Pro Unit Converter provides users with many tools for converting units in a quick, convenient, and beautiful manner. You can save conversions you use often so that you can access them quickly next time. It has an intuitive user interface so that you can input and view the results in a matter of seconds. Let's start with these categories: - Area - Length - Pressure - Power - Fuel-Mileage - Volume - Temperature - Speed - Weight - Angle - Torque - Shoes Size - Data - Force - Energy Thank you for your using this app.
Screenshots
Verdict
The clearest difference is price: Pro Unit Converter at Free against Plus's $0.49. Pro Unit Converter also leads on update cadence (daily vs every 9 days) and iOS requirement (11.0 vs 15.6). Plus's advantage is in-app purchases (none vs 1). On review sentiment, ads 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
Pro Unit Converter is free to download; Plus costs $0.49 up front. Pro Unit Converter sells 1 one-off in-app purchase. Plus asks for nothing beyond the download.
Plus ships an update every 9 days, Pro Unit Converter daily. Both last shipped on November 3, 2026.
| Parameter | Plus | Pro Unit Converter |
|---|---|---|
| Price | $0.49 | Free — better |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| Update frequency | Every 9 days | Daily — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Paid | Free — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.6 | 11.0 — better |
| Further details — not scored | ||
| Size | 18 MB | 37 MB |
| Age rating | 4+ | 4+ |
| Developer | Hidenori Nakashima | Quang Tri Mai Nguyen |
Customer experience
Plus
Pro Unit Converter
In-app purchases
Plus
No in-app purchases
Pro Unit Converter
- Remove all Ads in the app$0.99
Questions
Is Plus free?
Is Pro Unit Converter free?
Do Plus or Pro Unit Converter have ads?
Which is updated more often, Plus or Pro Unit Converter?
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