
GitHub Codespaces
CloudShell
CodeTasty
StackHive
Coda for iOS
CodeAbbey
Tynker
Write code. Catch Bananas. Save the World.

Coassemble
Trainn.co
Build courses by API, drop them into your product with one iframe, and get told who finished. No portal, no learner accounts, priced per course view.
Which is more popular?
Website, pricing, platforms and company facts side by side.
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| Website | codemonkey.com | underlayerhq.com |
| Pricing | ||
| Company | Startup from the United States · 20 - 49 employees · 2014 | Startup from the United Arab Emirates · 1 - 9 employees · 2026 |
| Listed in |
In their own words, as submitted to SaaSHub.


Codemonkey is an interactive online platform designed to make learning code fun for kids from 5-14 years old. Through engaging games and challenges, it introduces programming concepts in a clear and accessible way. As children write code to help a monkey complete different tasks and puzzles, they...
Underlayer is headless, API-first training for SaaS products. Instead of sending your users to a separate LMS portal, you generate a course, embed it where they already work, and get every completion sent back to your own systems. How it works Create a course. Generate one from a doc or a prompt...
What each product offers, as listed by its team.


No features have been listed yet.
Walkthroughs and reviews on video.
Webinar for Teachers | Getting Started with your CodeMonkey Pilot
More videos
Underlayer demo
How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing CodeMonkey and Underlayer.
CodeMonkey's answer
CodeMonkey stands out by teaching real programming languages like CoffeeScript and Python through fun, game-based challenges. Unlike many platforms that rely only on block coding, it gradually transitions students to text-based coding for a more authentic experience. Its engaging storyline, where kids help a monkey complete tasks by writing code, keeps learners motivated and invested. The platform also supports educators with detailed lesson plans, progress tracking, and classroom management tools. With its global accessibility and step-by-step guidance, CodeMonkey makes coding approachable and enjoyable for children everywhere.
Underlayer's answer:
Underlayer is training with no portal. You build a course by API, by MCP, or in the visual builder, and add it to your product with one iframe. Then signed webhooks tell your systems who finished. Learners never create an account or leave your app, and the player uses your theme, so it looks like part of your product. We charge per course view, not per seat, and every price and overage rate is published.
CodeMonkey's answer
CodeMonkey is a great choice because it makes learning to code fun and exciting through interactive games and real coding languages. Unlike some other platforms that stick to just drag-and-drop blocks, CodeMonkey helps kids start writing real code early on. It’s super easy to use, with step-by-step instructions and instant feedback to keep learners on track. Teachers and parents also love it because it comes with ready-made lessons and tools to track progress. Plus, it’s used all over the world and available in different languages, so anyone can jump in and start coding!
Underlayer's answer:
Most course tools, like Coassemble, Trainn and LearningStudioAI, assume training happens on their own site: learners sign up, log in and get enrolled, and you pay per seat. Underlayer takes the opposite approach:
No learner accounts. You pass in your own user IDs and we track progress against them. Built for developers. A full REST API covers every resource, and an MCP server lets AI agents create and edit courses. Results in your own tools. Signed webhooks send completions to your CRM, your product or your data warehouse. SCORM 1.2 and 2004 export for customers who still need to load courses into an LMS. Public pricing. Plans start at $149/month for 25,000 course views, with unlimited learners and no sales call required.
CodeMonkey's answer
CodeMonkey’s primary audience is children, typically aged 5 to 14, who are just starting to explore the world of coding. It’s designed for young learners who enjoy games and interactive challenges that make learning feel like play. The platform is also a great fit for educators and parents looking for a fun, structured way to teach programming. With content suitable for beginners and more advanced students, it appeals to a wide range of skill levels. Overall, CodeMonkey is perfect for curious kids who love solving puzzles and want to build real coding skills in a fun, supportive environment.
Underlayer's answer:
SaaS product, customer success and engineering teams who want onboarding, product education or compliance training inside their own app. It also suits platforms that train other people's users, like partner networks, marketplaces and field-ops tools, where a separate LMS login gets in the way.
CodeMonkey's answer
CodeMonkey was founded in 2014 by Jonathan Schor, Ido Schor, and Yishai Pinchover, inspired by their experiences teaching kids to code through playful activities. They envisioned a platform that would make coding accessible and enjoyable for children, blending real programming languages with engaging, game-based learning. Launched in Israel, CodeMonkey quickly gained global traction, reaching over 34 million students in 206 countries by 2024 . In 2018, it was acquired by TAL Education Group but continues to operate independently, expanding its offerings to include courses in AI, data science, and digital literacy. Today, CodeMonkey remains committed to empowering young learners worldwide through fun and effective coding education.
Underlayer's answer:
Every company putting training in front of its users hit the same wall: the LMS wanted to own the learner. That meant a separate portal, a second login and a per-seat bill for people who never opened a course. We built Underlayer as the layer underneath instead. You keep the product and the user relationship. We handle building the course, playing it and tracking progress, and we stay out of the way.
Underlayer's answer:
it's pre-launching
Underlayer's answer:
Next.js 16 (App Router) with React 19 and TypeScript, Tailwind CSS v4, and Supabase (Postgres with row-level security, Auth and Storage). Claude from Anthropic generates courses with AI. Stripe handles billing and Resend sends email. There is also a remote MCP server with OAuth 2.1 for AI-agent access.
Share your experience with using CodeMonkey and Underlayer. For example, how are they different and which one is better?
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