Comparison

Electronics Kit vs Turtle Universe

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

Head to head
About

Electronics Kit

This app offers a comprehensive suite of electronics tools and calculators for hobbyists and professionals. It includes features for component value calculation, pinout diagrams, and various electronic resources. Users can access a free version with ads or a PRO version for enhanced functionality and an ad-free experience.

Highlights
  • Component value calculators
  • Extensive pinout diagrams
  • Electronic resource library
  • SMD resistor code lookup
  • Ohm's law calculator
  • RC charging/discharging calculator
  • Frequency converter
Features
Read full description

This app is a powerful collection of electronics tools. It is suitable for hobbyist, electronic engineers or professionals The FREE version may contain ads. You can also buy the PRO version to support the developer, unlock more features and get rid of the ads. Component value function is a tool for find combination of components to making desired corner frequency, equivalent resistance, equivalent capacitance, equivalent inductance, etc. It is useful for designers have different choices of limited components Features ● Calculators : Component value range, SMD resistor code, Resistor in series and parallel, Capacitor in series and parallel, Inductor in series and parallel, Impedance calculator, Ratio calculator, Voltage divider, Ohm's law, RC charging / discharging, LED resistor calculator, RC, RL, LC filter, Wheatstone bridge, Operational amplifier, Adjustable voltage regulator, 555 timer calculator, Power dissipation calculator, Coil inductance, Battery life calculator, Trace width calculator, Frequency converter, RMS converter, Decibel converter, Range converter, Temperature calculator, matrix, complex matrix, simultaneous equations, Routh-Hurwitz, link budget, dipole antenna ● Pinout : audio DIN , DVI, Ethernet, Firewire, Game port, HDMI , Lightning port, Mini-Display port, PS/2 connector, Parallel port, Phone jack connector, RCA connector, Registered jack, S-video, SDCard , Serial port, SIM card, USB, VGA , XLR connector ● Resource : Circuit symbol, SMD resistor package, SMD capacitor package, TTL 7400 series, CMOS 4000 series, SMD marking, ASCII table, logic gate , Resistivity table, Batteries, Ampacity, AWG wire, SWG wire, World plug ● Share CSV via AirDrop ● Share CSV to iCloud Drive

About

Turtle Universe

Explore and learn about scientific phenomena through interactive microworlds. Create your own simulations using text or blocks, and engage with a global community of young learners. Discover over 100 scientific models and create computational art and games.

Highlights
  • Explore 100+ scientific models
  • Create custom microworlds
  • Code with text or blocks
  • Investigate phenomena
  • Engage in global discussions
  • Create computational art and games
Features
Read full description

Dive into the mesmerizing world of Turtle Universe, where you can explore and learn about various social and scientific phenomena through captivating microworlds. Unleash your creativity by coding your own microworlds with text or blocks, and join lively discussions with young learners across the globe! 1) Discover over 100 intriguing scientific models from diverse fields – with even more on the way! 2) Investigate phenomena such as traffic jams, predator-prey interactions, and the blooming of flowers. 3) Immerse yourself in enthralling storylines within the microworlds. 4) Create and play with stunning computational art and addictive games just for fun! Inspired by NetLogo, the leading multi-agent programmable modeling environment, Turtle Universe brings the limitless power of computational modeling to smartphones and tablets of young students and educators like you! Experience genuine scientific modeling shared by countless researchers and students worldwide. Turtle Universe supports most NetLogo, NetLogo Web, and NetTango models right from the start. From the creators of Physics Lab, a physics experiment simulation app loved by over 3 million learners and teachers. =========================== Term of Use: https://static.turtlesim.com/products/Term-Of-Use.txt Privacy Policy: https://static.turtlesim.com/products/Privacy-Policy.txt =========================== Copyright 2021 John Chen & Uri Wilensky. All rights reserved. Turtle Universe is authored by John Chen & Uri Wilensky and maintained by CCL at Northwestern University. If you mention the software in a publication, please include the citation below: * Chen, J. & Wilensky, U. (2021). Turtle Universe. Center for Connected Learning and Computer-Based Modeling, Northwestern University, Evanston, IL.

Screenshots

Electronics Kit4 screens
Turtle Universe4 screens

Verdict

The call

The clearest difference is in-app purchases: Turtle Universe at none against Electronics Kit's 5. Electronics Kit's advantage is review sentiment (91% vs 67%) and rating (4.8 vs 4.6). On price, ratings volume, update cadence and ads 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. Electronics Kit sells 5 one-off in-app purchases. Turtle Universe asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Electronics Kit holds the better App Store score, 4.8 against 4.6. Both are backed by a comparable volume of ratings — 65 and 45 respectively. Written reviews point the same way: 91% of Electronics Kit's written reviews are positive against 67% of Turtle Universe's.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 6 weeks. The most recent releases landed on October 10, 2026 and October 2, 2026 respectively.

Scorecard5 real differences · 5 level
Electronics Kit versus Turtle Universe: the parameters behind the verdict, then further details
ParameterElectronics KitTurtle Universe
PriceFreeFree
Rating4.8 (65 ratings) — better4.6 (45 ratings)
Positive reviews91.4% of reviews — better66.7% of reviews
Number of ratings65 — better45
Update frequencyEvery 6 weeksEvery 6 weeks
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS9.0 — better13.0
Further details — not scored
Size53 MB120 MB
Age rating4+4+
DeveloperSiu Yuen HoTurtle Sim LLC

Customer experience

Electronics Kit

All ratings65 ratings
Positive95.4%
Neutral3.1%
Negative1.5%
Written reviews35 reviews
Positive91.4%
Neutral2.9%
Negative5.7%

Turtle Universe

All ratings45 ratings
Positive86.7%
Neutral4.4%
Negative8.9%
Written reviews3 reviews
Positive66.7%
Neutral0.0%
Negative33.3%

In-app purchases

5 purchases

Electronics Kit

One-time5
  • Unlock no. of components limit$0.99
  • Unlock Pro feature$1.99
  • 'Show steps' in nodal analysis$2.99
Show 2 more
  • Unlock controlled sources$2.99
  • 'Show steps' in equivalent cir$3.99
None

Turtle Universe

No in-app purchases

Questions

Is Electronics Kit free?
Electronics Kit is free to download, with in-app purchases available.
Is Turtle Universe free?
Turtle Universe is free to download, with no in-app purchases.
Which has better reviews, Electronics Kit or Turtle Universe?
Electronics Kit is rated higher. Electronics Kit averages 4.8 out of 5 from 65 ratings, while Turtle Universe averages 4.6 from 45 ratings.
Do Electronics Kit or Turtle Universe have ads?
Neither Electronics Kit nor Turtle Universe shows ads.
Which is updated more often, Electronics Kit or Turtle Universe?
Electronics Kit ships an update every 6 weeks, and Turtle Universe every 6 weeks. Most recently, Electronics Kit was updated on October 10, 2026 and Turtle Universe on October 2, 2026.

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