Unit Converter | Converter4U vs 宏灿RAP
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Unit Converter | Converter4U
This app provides a powerful and intuitive way to convert between a wide range of units, including length, weight, temperature, and more. It offers simultaneous conversion of multiple units and customizable options for a personalized experience. Get instant, accurate results for all your conversion needs.
- Simultaneous multi-unit conversion
- Customizable unit options
- Copy converted values to clipboard
- Supports numerous measurement categories
- Intuitive and user-friendly interface
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Convert units effortlessly with our powerful and intuitive unit conversion app. Seamlessly convert between length, area, volume, angle, weight, temperature, pressure, speed, energy, power, time, fuel usage, ring size and more, all in one place. Our app allows you to convert units on the fly, providing instant and accurate results. Key Features: - Simultaneously convert multiple units from various categories - Customizable unit options to suit your preferences - Copy converted values to the clipboard for easy sharing - No intrusive ads for a smooth user experience Whether you're a student, professional, traveler, or simply need quick unit conversions, our app has got you covered. Easily switch between different unit systems (metric, imperial, etc.) and make complex calculations a breeze. Download our unit conversion app now and experience the convenience and efficiency of having a comprehensive conversion tool right at your fingertips that saves you time.
宏灿RAP
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此APP为客户提供日常审批、提醒事项、签到等移动办公需求； 上海宏灿信息科技有限公司以实现企事业单位管理高效的最大化为核心，致力于为企事业单位构筑信息化业务的整合平台。
Screenshots
Verdict
The clearest difference is update cadence: 宏灿RAP at every 5 weeks against Unit Converter | Converter4U's every 4 months. Unit Converter | Converter4U's advantage is iOS requirement (9.0 vs 12.0). 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.
Unit Converter | Converter4U ships an update every 4 months, 宏灿RAP every 5 weeks. The most recent releases landed on October 23, 2026 and October 4, 2026 respectively.
| Parameter | Unit Converter | Converter4U | 宏灿RAP |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (194 ratings) — better | — |
| Positive reviews | 57.1% of reviews | — |
| Number of ratings | 194 — better | — |
| Update frequency | Every 4 months | Every 5 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 9.0 — better | 12.0 |
| Further details — not scored | ||
| Size | 51 MB | 55 MB |
| Age rating | 4+ | 4+ |
| Developer | VisTech.Projects LLC | 上海宏灿信息科技股份有限公司 |
In-app purchases
Unit Converter | Converter4U
No in-app purchases
宏灿RAP
No in-app purchases
Questions
Is Unit Converter | Converter4U free?
Is 宏灿RAP free?
Do Unit Converter | Converter4U or 宏灿RAP have ads?
Which is updated more often, Unit Converter | Converter4U or 宏灿RAP?
Other comparisons
