REC | MATHS vs Kids Electronics
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
REC | MATHS
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Master College Math: Animated, Step-by-Step Success for Your Exams DIVE INTO MATHS.ENGINEERING AND DISCOVER: • Engaging, animated tutorials that make learning complex concepts simple and fun. • Custom content tailored to your college syllabus, ensuring you study exactly what you need. • Bite-sized videos for quick learning and easy revision, perfect for the busy student. • A comprehensive library of important semester questions, with proven success in past exams. EMPOWER YOUR LEARNING WITH: • Immediate access to crucial exam prep resources and essential semester questions. • The convenience of learning anywhere, anytime. • A user-friendly mobile app designed for efficient, on-the-go learning experiences. • Our track record of success: Students who used our essential questions aced their exams. ACHIEVE YOUR GOALS WITH MATHS.ENGINEERING: • Build confidence and mastery in your college math courses. • Enhance your understanding and performance with focused, effective study tools. • Navigate your path to academic success with resources developed by math education experts. STATE UNIVERSITY COURSES (AFFILIATED COLLEGES) WE COVER: • Anna University (Affiliated Colleges) • VTU (Visvesvaraya Technological University) • Jawaharlal Nehru Technology University – Hyderabad (JNTUH) • Jawaharlal Nehru Technology University – Anantapur (JNTUA) • Jawaharlal Nehru Technology University – Kakinada (JNTUK) • Jawaharlal Nehru Technology University – Gurajada Vizianagaram (GV) AUTONOMOUS COURSES WE COVER: • Panimalar Engineering College • St. Joseph's Institute of Technology • St. Joseph College of Engineering • Paavai Engineering College • Chennai Institute of Technology • KSR College of Engineering • Vellore Institute of Technology • Muthayammal Engineering College • Erode Sengunthar Engineering College • M Kumarasamy College of Engineering • VSB Engineering College • Dhanalakshmi Srinivasan Engineering College • Sri Sivasubramaniya Nadar College of Engineering • Dr. Mahalingam College of Engineering and Technology • Easwari Engineering College • Kongu Engineering College • Kumaraguru College of Technology • Adhiyamaan College Of Engineering • Nandha Engineering College Unlock the door to academic excellence and exam success with Maths.Engineering—where every lesson is a step towards mastering college mathematics. Explore more and get started today: https://www.maths.engineering Review our Privacy Policy: https://www.maths.engineering/privacy-policy Read our Terms of Service: https://www.maths.engineering/terms-conditions
Kids Electronics
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Kidstronic teaches kids how electronics really work by letting them BUILD real circuits with their own hands — in a fun, safe 3D workshop, no soldering iron required. Drag a battery onto the workbench, wire it to an LED, and watch it glow the instant the circuit is complete. No diagrams to memorize, no risk, no mess — just hands-on cause and effect that turns curiosity into real STEM understanding. WHY PARENTS LIKE IT • Free to start, guest mode by default — no forced login or account just to play • No third-party ads and no ad tracking — the only cross-promo is a single card for our own sister app • A dedicated Parent Zone with a private dashboard showing exactly what your child has practiced • A Parent Gate question stands between kids and any purchase or subscription screen • Friendly character guides (Bora the Battery, Lila the LED, and friends) explain every concept in short, playful lines a 7-10 year old can follow solo BUILD REAL CIRCUITS IN 3D Kids drag components onto a workbench and wire them exactly like a real engineer would: tap a glowing pin, tap another, and the wire snaps into place. Get the polarity wrong and the app shows them why — flip it and watch the part light up correctly. Short circuits, reversed parts, and overvoltage are all explained in plain language instead of just failing silently. It's trial, error, and discovery, not a quiz with one right answer to memorize. Designed with no reading required, so kids as young as 7 can play independently. 5 WORLDS, 40+ LEVELS Progress through Light World, Sound World, Motion World, Sensor World, and Smart World, each unlocking a new set of components: LEDs and RGB LEDs, switches and buttons, resistors, buzzers and speakers, motors and fans, light and temperature sensors, and even AND/OR/NOT logic gates. Difficulty ramps gently from a first spark to master-level free builds, so kids are always challenged but never stuck. STORY MODE — 26 REAL GADGETS TO BUILD Beyond the core curriculum, Story Mode walks kids step-by-step through building recognizable gadgets: a night lamp, a doorbell, a burglar alarm, a mini race car, a traffic light, a rocket launcher, a submarine, a dinosaur egg incubator, a logic-gate castle drawbridge, and dozens more. Each finished build earns a themed badge and a "you built it!" celebration moment, with a gentle "solve it for me" hint if a young builder gets stuck. DAILY PUZZLE & QUIZ MODE A fresh circuit puzzle unlocks every day, with a streak counter and a 30-day archive to replay past challenges. "Test Yourself" quizzes check what your child actually learned in each world — components, vocabulary, and circuit logic — with clear explanations for anything they get wrong. FREE BUILD SANDBOX Once a world is mastered, kids get an open workbench with every part unlocked and zero rules, so they can experiment and invent their own circuits freely. BUILT FOR PARENTS, TOO The Parent Zone shows worlds completed, levels cleared, stars earned, quizzes passed, and the concepts your child has actually practiced — batteries, polarity, parallel circuits, logic gates, and more — so you always know what's next. Kidstronic's free levels let any child start building today. A Kidstronic Pro subscription (monthly or yearly, with a free trial period) unlocks every world, every level, every component, and the Free Build sandbox — cancel anytime from your store account settings. More than a game, Kidstronic is a hands-on introduction to electronics, circuit logic, and engineering — the kind of screen time that builds real problem-solving skills. Give your child the workbench and let them light up their first idea today. Terms of Use https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy https://coddykit.com/terms/privacy-policy
Screenshots
Verdict
REC | MATHS and Kids Electronics are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
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.
REC | MATHS ships an update every 2 months, Kids Electronics every 6 weeks. The most recent releases landed on October 15, 2026 and October 24, 2026 respectively.
| Parameter | REC | MATHS | Kids Electronics |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.0 (1 ratings) — better |
| Number of ratings | — | 1 — better |
| Update frequency | Every 2 months | Every 6 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.6 — better | 16.0 |
| Further details — not scored | ||
| Size | 301 MB | 44 MB |
| Age rating | 17+ | 4+ |
| Developer | Promath Technology Private Limited | MEHMET CANKER (TR) |
In-app purchases
REC | MATHS
No in-app purchases
Kids Electronics
No in-app purchases
Questions
Is REC | MATHS free?
Is Kids Electronics free?
Do REC | MATHS or Kids Electronics have ads?
Which is updated more often, REC | MATHS or Kids Electronics?
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