Comparison

Resistor calc vs 文件管理王

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Resistor calc

Features
Read full description

Resistor Calc is an essential tool for anyone working with electronic circuits and resistors. Designed to streamline complex calculations and provide invaluable insights, this powerful app for iOS devices is a must-have in your toolkit. At the heart of Resistor Calc lies a comprehensive suite of calculators tailored to the needs of electrical engineers, students, hobbyists, and professionals. The series/parallel calculator makes it a breeze to determine the equivalent resistance for even the most intricate circuit configurations, eliminating the need for tedious manual calculations prone to errors. The LED series resistor calculator is a game-changer for those working with LED lighting systems. Simply input the required parameters, and Resistor Calc will recommend the ideal resistor value to ensure proper current limiting and protect your LEDs from potential damage, ensuring optimal performance and longevity. For three-phase circuits, the app's star-delta and delta-star converters streamline the process of switching between different wiring configurations. Whether you need to convert from star to delta or vice versa, Resistor Calc has you covered, saving you valuable time and effort. But the true standout feature of Resistor Calc is its powerful resistor color code decoder. Never again will you need to decipher those tiny colored bands manually. Simply input the color codes, and the app will instantly reveal the resistor's value, tolerance, and other essential information, making component identification a breeze and saving you countless hours of frustration. With its sleek and intuitive interface, Resistor Calc is designed for seamless navigation and ease of use. Whether you're a student grappling with complex circuit problems or a seasoned professional tackling intricate projects, this app empowers you with accurate and reliable calculations at your fingertips. Download Resistor Calc today and experience the power of efficient circuit analysis and resistor management on your iOS device. Streamline your workflow, minimize errors, and unlock new levels of productivity in your electrical engineering endeavours.

About

文件管理王

Features
Read full description

一款功能齐全的文件管理器,轻松在手机上管理您的文件! 【文件管理】 支持单和多文件操作,包括:复制文件,文件编辑、移动文件,粘贴文件,删除文件,重命名文件和打开文件 【文件夹】 新建文件夹,移动各种文件进入,在打包或者压缩分享 【文件处理】 手机图片、照片、音频、视频、文档等可以编辑、转换、压缩、打包等处理 【文件传输】 便捷从电脑、相册、本地等导入文件 会员订阅: 订阅价格为每年68元、每月28元 订阅会自动续订,除非在当前期间结束前至少24小时关闭自动续订;帐户将在当前期间结束前24小时内收取续订费用,并确定续订费用 订阅可以由用户管理,并且可以在购买后转到用户的AppStore帐户设置来关闭自动续订 隐私政策:https://blog.csdn.net/2401_82596890/article/details/139413279 使用条款:https://blog.csdn.net/2401_82596890/article/details/139413333

Screenshots

Resistor calc4 screens
文件管理王3 screens

Verdict

The call

The clearest difference is price: 文件管理王 at Free against Resistor calc's $1.99. 文件管理王 also leads on update cadence (every 3 days vs every 2 months). Resistor calc's advantage is in-app purchases (none vs 3). On ads, device support and iOS requirement 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

CostPrice · In-app purchases · Ads · Monetization

文件管理王 is free to download; Resistor calc costs $1.99 up front. 文件管理王 sells 3 in-app purchases, starting at $3.99 per month. Resistor calc asks for nothing beyond the download.

UpkeepUpdate frequency

Resistor calc ships an update every 2 months, 文件管理王 every 3 days. The most recent releases landed on October 27, 2026 and October 25, 2026 respectively.

Scorecard3 real differences · 3 level
Resistor calc versus 文件管理王: the parameters behind the verdict, then further details
ParameterResistor calc文件管理王
Price$1.99Free — better
Update frequencyEvery 2 monthsEvery 3 days — better
AdsNoNo
In-app purchasesNo — betterYes
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.012.0 — better
Further details — not scored
Size17 MB34 MB
Age rating4+4+
DeveloperAnas Abubakar鑫昕 马

In-app purchases

None

Resistor calc

No in-app purchases

3 purchases

文件管理王

Subscriptions2
  • 月会员$3.991 Month
  • 年会员$9.991 Year
One-time1
  • 永久会员$14.99

Questions

Is Resistor calc free?
Resistor calc costs $1.99, with no in-app purchases.
Is 文件管理王 free?
文件管理王 is free to download, with in-app purchases available.
Do Resistor calc or 文件管理王 have ads?
Neither Resistor calc nor 文件管理王 shows ads.
Which is updated more often, Resistor calc or 文件管理王?
Resistor calc ships an update every 2 months, and 文件管理王 every 3 days. Most recently, Resistor calc was updated on October 27, 2026 and 文件管理王 on October 25, 2026.

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