CheckiO
CheckiO is a game-based coding practice platform for Python and TypeScript.
What CheckiO is
CheckiO is a game-based coding practice platform for Python and TypeScript. It offers more than 500 missions across categories and skill levels, with a community format that lets users inspect other members’ solutions. Teachers can create groups in CheckiO Classrooms, assign tasks, monitor progress, and provide feedback. Privacy controls determine whether student profiles, solutions, and comments are visible to other users. Classroom tools include solution histories, unfinished-work views, and pair-coding sessions when students are online. The free version limits Classroom analytics to the first three students and solution search to the first five results. A web extension and console tool support solving missions with local files. CheckiO also describes customizable integrations, including SendGrid API missions, and business services for product promotion and candidate sourcing. It runs on the web and as an extension, with mobile access described for teachers.
Good
- More than 500 coding challenges
- Python and TypeScript practice
- Community solution review
- Classroom progress and feedback tools
- Free plan available
Watch out
- Free analytics limited to three students
- Free solution search limited to five results
- No mobile apps listed
Who it suits
It suits people learning or practicing Python and TypeScript through challenge-based exercises. Teachers can use its classroom assignments, progress tools, and privacy controls.
Verdict
CheckiO combines coding missions with community review and teacher classroom controls. Its free limits and extension-based access are important when choosing a plan.
Plans and prices
From CheckiO's own pricing page, checked 7 Oct 2026.
| Plan | Price | What it gives you |
|---|---|---|
| Awesome Monthly | $4.99 a month | No ads · unlimited solution search · all missions |
| Awesome Half-Year | $24.99, paid once | No ads · unlimited solution search · all missions · Half-year subscription |
| Awesome Year | $49.99 a year | No ads · unlimited solution search · all missions |
| Awesome Teacher | $499.99, paid once | Classroom analytics · full map and missions · unlimited solution search |
The facts
Each one read from CheckiO's own pages, with the date it was checked.
What it does
- Business services
- The company offers product promotion and candidate sourcing to businesses, including mailing job proposals to interested users.checked 7 Oct 2026
- Classroom analytics
- Teachers can review solution histories, see unfinished work, and join pair-coding sessions when students are online.checked 7 Oct 2026
- Classroom privacy
- Teachers can control whether students’ profiles, solutions, and comments are visible to other CheckiO users.checked 7 Oct 2026
- Classrooms
- Teachers can create student groups, assign tasks, track progress, and give feedback through CheckiO Classrooms.checked 7 Oct 2026
- Community
- The homepage describes a community where users solve missions and analyze other members’ solutions.checked 7 Oct 2026
- Extension and local tool
- CheckiO says its console tool and web extension let users solve missions using local files.checked 7 Oct 2026
- Integrations
- CheckiO describes customizable product integrations and cites SendGrid API missions as an example.checked 7 Oct 2026
- Mobile access
- The Teachers page describes CheckiO as mobile-friendly and accessible on mobile devices.checked 7 Oct 2026
- Practice
- The site says it has over 500 coding challenges across categories and skill levels.checked 7 Oct 2026
- Product
- CheckiO offers game-based coding challenges for beginners and advanced programmers using Python and TypeScript.checked 7 Oct 2026
- Support
- The Awesome account page directs users needing help to phone, email, or the page’s chat widget.checked 7 Oct 2026
Money
- Free limits
- The free version limits Classroom analytics to the first three students and solution search to the first five results.checked 7 Oct 2026
- Trial
- The Teachers page offers a seven-day free trial and says no credit card is required.checked 7 Oct 2026
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