Comparison

Electronic Circuits Calculator vs Tree+

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

Head to head
About

Electronic Circuits Calculator

This comprehensive electronics toolkit offers over 130 interactive calculators, circuit tools, and guides. It's designed for users of all levels, from beginners to professionals, to assist with learning, prototyping, and quick calculations in electronics engineering.

Highlights
  • Over 130 interactive calculators
  • Circuit tools and guides
  • Step-by-step explanations and formulas
  • Ideal for learning and prototyping
  • Light and dark mode support
  • Available in 14 languages
Features
Read full description

Electronic Circuits Calculator is your ultimate electronics toolkit — featuring over 130 calculators, circuit tools, and guides for beginners and professionals alike. Perfect for electronics enthusiasts, students, hobbyists, and engineers alike, Electronic Circuits Calculator Pro is a powerful reference tool covering essential electronics concepts, components, and circuit design. Whether you're just getting started or need a quick calculation on the go, this app has you covered. Available in 14 Languages: • English, French, German, Indonesian, Italian, Japanese, Polish, Portuguese, Russian, Simplified Chinese, Spanish, Turkish, Ukrainian, and Vietnamese — study in your native language! Key Features: • Interactive calculators for circuits • Step-by-step explanations and formulas • Ideal for learning, prototyping, or quick checks • Light and dark mode support Covered Topics: Basic calculators • Ohm's law • Power, voltage and current • Resistive voltage divider • Wheatstone Bridge • RC circuit time constant • Battery life • Additional resistor for voltmeter • Shunt resistor for ammeter. Resistors • Resistor color codes • SMD resistor codes • EIA-96 encoding • Selection of standard resistor values • Series/Parallel connection of resistors • E-series Capacitors • Ceramic disc capacitor codes • Film capacitor codes • Capacitor operating voltage codes • Color codes of film capacitors • SMD capacitor codes • Series connection of capacitors • Parallel connection of capacitors Inductors • Inductor color codes • SMD inductor codes • Parallel/series connection of inductors Diodes • Diodes • Rectifier diodes • Signal diodes • Schottky diodes • Tunnel diodes • Varicaps • Zener diodes Transistors • Bipolar transistors • MOSFETs • JFET transistors • Unijunction transistors • Bipolar transistors with insulated gate. • Darlington transistor pair Thyristors • Thyristors • Lockable thyristors • IGCT thyristors Power supplies • AC parameters • Half-wave rectifier • Full-wave rectifier • Bridge rectifier • Quenching capacitor • Internal resistance of the power supply • Symmetrical voltage doubling rectifier circuit • Three-phase half-wave rectifier • Three-phase bridge rectifier • Voltage multiplier Voltage and current regulators • Voltage regulator on LM317 • Bipolar voltage regulator for LM317 and LM337 • Current source on LM317 • Zener diode reference voltage source • Temperature compensated reference voltage source • TL431 regulator • TL431 regulator with additional transistor Light Emitting Diodes • Resistor for one LED • Resistor for serial/parallel connection of LEDs • 7 segment LED display • Decoder for 7- segment displays CD4511 Photocells • Photodiodes • Photoresistors • Phototransistors • Optocouplers Operational amplifiers • Gain of non-inverting op-amp • Gain of inverting op-amp • Inverting op  • amp with T-bridge in feedback. • Inverting summing op-amp • Differential op-amp • Voltage integrator • Voltage differentiator • Voltage comparator High frequency circuits • Capacitor reactance • Inductor reactance • Convert gain to decibels • Convert dBm to watts • T • Attenuator • Pi attenuator • L • Attenuator • Bridge T • attenuator • Capacitive AC voltage divider • Inductive voltage divider • Frequency and wavelengths Filters • RC low-pass filter • RC high-pass filter • RC bandpass filter • RL low-pass filter • RL high-pass filter • LC low-pass filter • LC high-pass filter Multivibrators • Self- oscillating Multivibrator • Monostable multivibrator • Bistable multivibrator • Multivibrator with diodes 555 Timer • Astable mode • Monostable mode • Bistable mode • Schmitt trigger • Connecting LEDs • Light detector • Relay control Logics • AND. OR, NOT, NAND, NOR, XOR, XNOR • Combination Circuits The application is being actively developed and supplemented with new calculators. Keep for updates!

About

Tree+

A curated streaming platform featuring visionary films, shorts, and original content focused on climate, justice, consciousness, and the future of life. Discover impactful cinema that informs and inspires.

Highlights
  • Curated streaming platform
  • Films, shorts, and original content
  • Focus on climate and justice
  • Visionary storytelling
  • No endless scroll
  • Informs and inspires
Read full description

Tree+ is your portal to visionary storytelling — a curated streaming platform for films, shorts, and original content that explore climate, justice, consciousness, and the future of life on Earth. From the creators of Ice on Fire, Urban Roots, The Arrow of Time and Legion 44, Tree+ delivers cinema that informs, inspires, and ignites. Watch frontline documentaries, poetic dispatches, and creative calls to action from artists and changemakers around the world. No noise. No endless scroll. Just stories that matter — chosen to move you and move the world. To access all features and content you can subscribe to Tree+ on a monthly or yearly basis with an auto-renewing subscription right inside the app. * Pricing can vary by region and will be confirmed before purchase in the app. In app subscriptions will automatically renew at the end of their cycle. All payments will be paid through your iTunes Account and may be managed under Account Settings after the initial payment. Subscription payments will automatically renew unless deactivated at least 24-hours before the end of the current cycle. Your account will be charged for renewal at least 24-hours prior to the end of the current cycle. Any unused portion of your free trial will be forfeited upon payment. Cancellations are incurred by disabling auto-renewal. Terms of Service: https://watch.treemedia.com/terms Privacy Policy: https://watch.treemedia.com/privacy

Screenshots

Electronic Circuits Calculator4 screens
Tree+4 screens

Verdict

The call

The clearest difference is in-app purchases: Electronic Circuits Calculator at none against Tree+'s 8. Electronic Circuits Calculator also leads on update cadence (every 2 months vs every 7 months). Tree+'s advantage is ads (none vs shown). On price, 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. Tree+ sells 8 in-app purchases, starting at $8.49 per month. Electronic Circuits Calculator asks for nothing beyond the download.

UpkeepUpdate frequency

Electronic Circuits Calculator ships an update every 2 months, Tree+ every 7 months. The most recent releases landed on September 24, 2026 and October 5, 2026 respectively.

Scorecard4 real differences · 6 level
Electronic Circuits Calculator versus Tree+: the parameters behind the verdict, then further details
ParameterElectronic Circuits CalculatorTree+
PriceFreeFree
Rating—5.0 (1 ratings) — better
Positive reviews0.0% of reviews—
Number of ratings—1 — better
Update frequencyEvery 2 months — betterEvery 7 months
AdsYesNo — better
In-app purchasesNo — betterYes
MonetizationAd-supported — betterFree with in-app purchases
DevicesiPhone, iPadiPhone, iPad, Apple TV — better
Requires iOS16.0 — better16.6
Further details — not scored
Size21 MB1 MB
Age rating4+4+
DeveloperALG Software LabTree Media Group

Customer experience

Electronic Circuits Calculator

Written reviews2 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

Tree+

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Electronic Circuits Calculator

No in-app purchases

8 purchases

Tree+

Subscriptions2
  • Tree+ Monthly14 Days trial$8.491 Month
  • Tree+ Yearly14 Days trial$89.991 Year
One-time6
  • Tree - 399$3.99
  • Tree - 699$6.99
  • Tree - 1199$11.99
Show 3 more
  • Tree - 1499$14.99
  • Tree - 1999$19.99
  • Tree - 2499$24.99

Questions

Is Electronic Circuits Calculator free?
Electronic Circuits Calculator is free to download, with no in-app purchases.
Is Tree+ free?
Tree+ is free to download, with in-app purchases available.
Do Electronic Circuits Calculator or Tree+ have ads?
Electronic Circuits Calculator shows ads; Tree+ does not.
Which is updated more often, Electronic Circuits Calculator or Tree+?
Electronic Circuits Calculator ships an update every 2 months, and Tree+ every 7 months. Most recently, Electronic Circuits Calculator was updated on September 24, 2026 and Tree+ on October 5, 2026.

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