Tynker Junior vs Synthesis24
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Tynker Junior
This app introduces children aged 4-7 to coding concepts through engaging, word-free picture blocks. It helps them develop problem-solving, logic, and critical thinking skills through interactive coding adventures. Designed for young learners, it makes learning to code fun and accessible.
- Word-free picture block coding
- Problem-solving and logic development
- Music and art creation
- 200+ coding challenges
- Tap-based interface
- Voiceovers for guidance
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The Ultimate Coding Playground for Kids Ages 4-7! Tynker Junior is the award-winning app specifically designed for young learners, including pre-readers who haven’t even started school yet. Through vibrant, word-free picture blocks, your child will learn to solve problems, compose music, and create art—all with the power of code. Why Parents and Teachers Love Tynker: * Trusted Globally: Used by 1 out of every 3 U.S. K-8 schools and 100,000+ schools worldwide. * Proven Success: Over 60 million kids in 150 countries have started their STEM journey with Tynker. * Designed for Little Hands: A tap-based interface with friendly voiceovers and no complex dragging or reading required. 5 EPIC CODING ADVENTURES With 200+ coding challenges, your child will explore: Ocean Odyssey: Master sequencing and patterns while helping Gillie the Goldfish. Robots: Learn about events and parameters as you fix a wacky robot factory. Wild Rumble: Help endangered animals using counting loops and delays. Puffball Panic: Navigate dynamic environments using conditional logic. Super Squad: Defeat villains and retrieve stolen treasure using advanced problem-solving. WHAT YOUR CHILD WILL LEARN Tynker Junior transforms screen time into a brain-building workout. Your child will master: Logic & Sequencing: Understanding cause and effect. Critical Thinking: Solving complex puzzles step-by-step. Programming Concepts: Loops, conditional logic, and debugging. 21st Century Skills: Resilience, focus, and algorithmic thinking—the same foundations used in professional languages like Swift and Python. Privacy & Terms: Privacy Policy: https://www.tynker.com/privacy Terms of Use: https://www.tynker.com/terms/
Synthesis24
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"Synthesis 24" is a puzzle game based on mathematical logic. The specified numbers and operation symbols are formed into 3 formulas, so that the final answer is 24. There are hundreds of cleverly designed level modes and an endless mode with countless levels, waiting for you to challenge! Come and exercise your mathematical thinking Game Features: 1. Through the use of numbers and symbols, make the specified number calculate 24, exercise brain thinking. 2. Make the game more interesting by dragging. 3. Hundreds of cleverly designed levels that are extremely challenging. 4. Endless mode with countless levels to meet your needs to pass the time and exercise mathematical thinking. 5. Free forever. 6. Continue to update more levels and gameplay. Our games can exercise people's mathematical thinking ability, including oral and mental arithmetic, can develop intelligence, improve independent thinking ability and logical thinking. Simple numbers, including endless thinking and careful logic, and the fun of solving problems can all be reflected in our game. Come and try and experience the charm of numbers!
Screenshots
Verdict
The clearest difference is in-app purchases: Synthesis24 at none against Tynker Junior's 6. Tynker Junior's advantage is update cadence (every 2 months vs every 3 months). On price, ads, 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
Both are free to download. Tynker Junior sells 6 in-app purchases, starting at $4.99 per month. Synthesis24 asks for nothing beyond the download.
Tynker Junior ships an update every 2 months, Synthesis24 every 3 months. The most recent releases landed on October 26, 2026 and October 25, 2026 respectively.
| Parameter | Tynker Junior | Synthesis24 |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (4.2K ratings) — better | — |
| Positive reviews | 58.8% of reviews | — |
| Number of ratings | 4.2K — better | — |
| Update frequency | Every 2 months — better | Every 3 months |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 15.0 |
| Further details — not scored | ||
| Size | 396 MB | 49 MB |
| Age rating | 4+ | 4+ |
| Developer | Tynker | 杰超 杨 |
Bugs and requests
Tynker Junior
Reported bugs
3 issues- Levels/games not progressing properly
- Login and account issues
- Compatibility problems on certain devices
Requested features
3 requests- Add more advanced coding lessons
- Improve customer support and responsiveness
- Integrate with full Tynker app for seamless experience
Synthesis24
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Tynker Junior
- Individual Monthly$4.991 Month
- Tynker Jr. Web + Mobile Plan7 Days trial$24.991 Month
- Individual Yearly7 Days trial$49.991 Year
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- Tynker Jr. Web + Mobile Plan7 Days trial$59.993 Months
- Tynker Jr. Web + Mobile Plan$119.991 Year
- Tynker Jr. Web + Mobile Plan$314.99
Synthesis24
No in-app purchases
Questions
Is Tynker Junior free?
Is Synthesis24 free?
Do Tynker Junior or Synthesis24 have ads?
Which is updated more often, Tynker Junior or Synthesis24?
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