Noggin vs KEMIplay
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Noggin
This app offers a safe, ad-free environment for children to explore their interests through interactive games and curated videos. It encourages hands-on learning and skill-building in areas like baking, chess, and DIY, turning screen time into active discovery.
- Interactive mini-games
- Curated video library
- Hands-on skill building
- Ad-free environment
- Safe for all ages
- Interest-based content categories
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Noggin is back: bigger, brighter, and more hands-on than ever. Whether you’re crafting your town in the game or tuning into your latest obsession on NogginTV, Noggin is made for discovering what you love and actually doing it. From chess matches in castle towers to baking quests and DIY how-tos, Noggin’s game world and curated video library help you get curious, go deep, and build real-world skills through screen time that’s anything but passive. No ads. No paywall. Just ways to engage, explore, and find your thing. Noggin is: - FREE. Watch NogginTV for free. No subscription, no ads. - SAFE. Relax in a walled garden environment, safe for all ages. - INSPIRING. Stream “live” programming designed to spark interests in everything from fashion and music to baking and building. - CURATED. Choose from a video library of best-in-class creator content, curated by our real-life Noggin hosts and categorized by kid interests. - PLAYFUL. Explore new interests and get good at them through hands-on mini games - CHALLENGING. Use new skills to help solve problems in epic game quests - FUN. Bake real recipes in Nogginville where frosting is a food group and play chess with the king of the castle with some help from a wizard Ready for your next thing? Download Noggin for free. With Noggin, you don’t just sit back and swipe— you engage with a world designed to spark curiosity and sustain it. Whether you’re obsessed with interests like baking or chess, or looking for something new, Noggin helps you discover what you love – and actually do it. No pressure, no rules. Just your thing, your way. Download and fire up your Noggin. Castles, cupcakes, and adventures await. About Us: Noggin turns everyday interests into full-blown obsessions. Discover what you love and do it. Learn more at noggin.com. Here are the links to our Privacy Policy and Terms and Conditions: Privacy Policy: https://noggin.com/privacy_policy.html Terms and Conditions: https://noggin.com/terms_of_use.html Have questions or need support? Contact help@noggin.com.
KEMIplay
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Learning math should be exciting, rewarding and fun. KEMIplay – MathWorld transforms everyday math practice into an adventure where children explore, discover and solve engaging challenges while building real mathematical confidence. Designed for Grades 1–9, MathWorld supports 21 school curricula and also includes Dynamic Mode, allowing children to practise mathematics freely without following a specific curriculum. With more than 110 curriculum-based math concepts, children strengthen essential mathematical skills including: • Counting • Number Recognition • Addition • Subtraction • Multiplication • Division • Fractions • Decimals • Percentages • Place Value • Measurement • Time • Geometry • Data & Graphs • Algebra Foundations • Problem Solving ...and much more. Choose the curriculum that matches your school or switch to Dynamic Mode to practise a wide variety of mathematical concepts regardless of curriculum. Whether your child is preparing for tomorrow's lesson, reinforcing classroom learning, catching up on difficult topics or simply enjoys solving math challenges, MathWorld adapts to the way they learn. Learning happens through a growing collection of unique interactive Vaults. Each Vault presents mathematics in a different way, encouraging exploration, logical thinking and problem solving while making practice enjoyable and rewarding. MathWorld is designed for: • Daily practice • Classroom support • Homework • Revision • Homeschooling • Refreshing forgotten skills Features • Supports Grades 1–9 • 21 school curricula • Dynamic Mode for curriculum-free practice • 110+ curriculum-based math concepts • A growing collection of interactive Vaults • Child-friendly interface • Designed for home and classroom use • No advertisements • No subscriptions • No microtransactions • One simple purchase At KEMIplay, we believe children learn best when they are curious, engaged and having fun. Our mission is to make mathematics something children look forward to practising every day. Start your MathWorld adventure today!
Screenshots
Verdict
The clearest difference is price: Noggin at Free against KEMIplay's $0.99. Noggin also leads on update cadence (every 2 weeks vs every 6 weeks) and iOS requirement (15.1 vs 18.6). On ads, in-app purchases and device support 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
Noggin is free to download; KEMIplay costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Noggin ships an update every 2 weeks, KEMIplay every 6 weeks. Both last shipped on October 24, 2026.
| Parameter | Noggin | KEMIplay |
|---|---|---|
| Price | Free — better | $0.99 |
| Rating | 4.0 (61 ratings) — better | — |
| Positive reviews | 72.2% of reviews | — |
| Number of ratings | 61 — better | — |
| Update frequency | Every 2 weeks — better | Every 6 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Requires iOS | 15.1 — better | 18.6 |
| Further details — not scored | ||
| Size | 882 MB | 788 MB |
| Age rating | 4+ | 4+ |
| Developer | Noggin Holdings, Inc. | KEMIplay Oy |
Bugs and requests
Noggin
Reported bugs
1 issue- Rip-off app with the same name on the App Store
Requested features
3 requests- Bring back Moose and Zee
- Add voice-overs and books
- Expand the virtual world with more quests and content
KEMIplay
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Noggin
No in-app purchases
KEMIplay
No in-app purchases









