Comparison

Electronics Tools & Calculator vs U

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

Head to head
About

Electronics Tools & Calculator

This app serves as a pocket-sized electronics lab, offering a comprehensive reference for components and circuits. It simplifies complex calculations for filters, inductors, and various circuit configurations, aiding both engineers and hobbyists in their design processes.

Highlights
  • Electronic component reference
  • Electronic circuit reference
  • Filter design calculators
  • Inductor winding calculators
  • Transformer winding calculators
  • Resistor and capacitor calculations
  • Ohm's law and power calculations
Features
Read full description

Calculate, simulate, and understand electronic circuits with more than 60 calculators, interactive tools, and illustrated engineering references. Electronics Tools & Calculator is an all-in-one toolkit for students, engineers, technicians, makers, and electronics enthusiasts. Use it to study circuit theory, select components, check designs, or troubleshoot projects with practical calculators and clear circuit visuals. MORE THAN 60 ELECTRONICS CALCULATORS Solve problems across a wide range of topics: • Ohm’s law, voltage, current, resistance, and power • Series and parallel resistors and capacitors • Four-band, five-band, and SMD resistor codes • Voltage and current dividers • DC power and ripple voltage • RC, RL, LC, and RLC circuits • LED resistor and parallel LED calculations • Capacitor and inductor charging • Star-to-delta and delta-to-star conversions ACTIVE AND PASSIVE FILTER DESIGN Design and explore: • RC, RL, and LC filters • Butterworth and Chebyshev filters • Active and passive filters • Sallen-Key active filters • Band-pass and band-reject filters • Twin-T notch filters Selected advanced calculators include response graphs, helping you visualize how component values affect circuit behavior. AMPLIFIERS AND SEMICONDUCTORS Work with practical tools for: • 555 timer astable and monostable circuits • BJT analysis, biasing, Q-point, and switching • MOSFET switching • Inverting, non-inverting, and difference amplifiers • Class A, Class B, and Class AB amplifiers • Differential amplifiers and current mirrors • LM386 audio amplifier circuits POWER, RF, AND DESIGN TOOLS Explore calculations for: • Linear regulators and heat dissipation • Buck and boost converters • Rectifiers and Zener regulators • Clippers, clampers, and voltage multipliers • PCB trace width • Air-core and multilayer inductors • Transformers • Coaxial cables and waveguides • Antenna length and skin depth • dBm, watts, and decibel conversions • Servo and stepper motors DIGITAL ELECTRONICS Study essential digital circuits with clear diagrams and truth tables: • Logic gates • Flip-flops and counters • Multiplexers and demultiplexers • Encoders and decoders • Shift registers • Common digital integrated circuits INTERACTIVE CIRCUIT TOOLS Explore circuit behavior through interactive simulations and strong visual explanations. Adjust values, examine circuit configurations, and connect formulas with practical electronic designs. ILLUSTRATED ELECTRONICS REFERENCES Access more than 30 guides covering resistors, capacitors, inductors, transformers, diodes, BJTs, MOSFETs, IGBTs, UJTs, SCRs, DIACs, TRIACs, operational amplifiers, regulators, 555 timers, sensors, digital logic, Arduino boards, and ATmega microcontrollers. The guides combine explanations, equations, circuit diagrams, pinouts, truth tables, and practical notes to connect theory with real-world applications. DESIGNED FOR FASTER WORK • Search calculators by name • Save frequently used tools to Favorites • View response graphs in selected calculators • Export results from selected tools as PDF documents • Automatically switch between light and dark appearance • Use an interface designed for phones and larger screens • Choose from 15 supported languages • Access additional features through optional Pro tools Whether you are learning electronics, designing a filter, analyzing an amplifier, or checking values at the workbench, Electronics Tools & Calculator keeps useful tools and references close at hand. Important: This app is intended for education and design assistance. Always verify calculations, component ratings, circuit requirements, and safety considerations before building or operating electronic equipment.

About

U

Features
Read full description

U-Space Roboticsは、ロボット工学の基礎から応用までを体系的に学べる教育アプリです。 制御工学、センサー、アクチュエータ、プログラミング、AIシステムなど、ロボットを構成する要素を段階的に理解できるよう設計されています。 本アプリは、UCLAで工学を専攻する開発者によって設計されており、理論だけではなく「実世界で使われているロボット技術」を意識した学習構成になっています。 単に暗記するのではなく、ユーザー自身が考え、設計し、シミュレーションを通じて結果を確認することで、工学的理解が定着します。 学習内容 ロボット工学の基礎  ロボットとは何か、どのように認識し、動き、制御されるのかを理解。 センサーと入力処理  距離センサー、ジャイロ、カメラなど、環境を読み取る仕組みを学ぶ。 アクチュエータと駆動系  モーター、脚機構、ホイール構造など、動くための要素を学習。 制御アルゴリズム  PID制御、軌道生成、安定化制御などロボット制御の基礎を解説。 応用とシミュレーション  学んだ知識を使い、仮想空間でロボットを作動させ理解を深める。 特徴 初学者でも進めやすい段階式カリキュラム 理論と実践を組み合わせた学習設計 自動評価・理解確認機能 ロボット設計の思考プロセスを体験できる構成 このアプリが役立つ人 ロボットやAIに興味がある 工学系の進路を検討している 受験や研究前に基礎を固めたい プログラミングの次のステップとしてロボットを学びたい 将来エンジニアや研究者を目指している 学びを体験に変える 知識を読むだけではなく、設計し、試し、改善することで理解が深まります。 ロボット工学の世界へ踏み出す入り口として、ぜひ活用してください。

Screenshots

Electronics Tools & Calculator4 screens
U1 screens

Verdict

The call

The clearest difference is ads: U at none against Electronics Tools & Calculator's shown. On price, in-app purchases, 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

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Scorecard1 real difference · 9 level
Electronics Tools & Calculator versus U: the parameters behind the verdict, then further details
ParameterElectronics Tools & CalculatorU
PriceFreeFree
Rating4.0 (16 ratings) — better—
Positive reviews16.7% of reviews—
Number of ratings16 — better—
Update frequencyEvery 6 weeks—
AdsYesNo — better
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.014.0.0 — better
Further details — not scored
Size63 MB25 MB
Age rating4+4+
DeveloperAnas AbubakarYuto Sanada

In-app purchases

None

Electronics Tools & Calculator

No in-app purchases

None

U

No in-app purchases

Questions

Is Electronics Tools & Calculator free?
Electronics Tools & Calculator is free to download, with no in-app purchases.
Is U free?
U is free to download, with no in-app purchases.
Do Electronics Tools & Calculator or U have ads?
Electronics Tools & Calculator shows ads; U does not.

Other comparisons