Codecademy From $1.25/mo · Free plan 9.2 Visit 
CheckiO
checkio.org
Spec sheet
- Product
- CheckiO offers game-based coding challenges for beginners and advanced programmers using Python and TypeScript.Read 7 Oct 2026 · checkio.org
- Trial
- The Teachers page offers a seven-day free trial and says no credit card is required.Read 7 Oct 2026 · checkio.org
- Integrations
- CheckiO describes customizable product integrations and cites SendGrid API missions as an example.Read 7 Oct 2026 · checkio.org
- Support
- The Awesome account page directs users needing help to phone, email, or the page’s chat widget.Read 7 Oct 2026 · js.checkio.org
- Business services
- The company offers product promotion and candidate sourcing to businesses, including mailing job proposals to interested users.Read 7 Oct 2026 · checkio.org
- Classroom analytics
- Teachers can review solution histories, see unfinished work, and join pair-coding sessions when students are online.Read 7 Oct 2026 · checkio.org
- Classroom privacy
- Teachers can control whether students’ profiles, solutions, and comments are visible to other CheckiO users.Read 7 Oct 2026 · checkio.org
- Classrooms
- Teachers can create student groups, assign tasks, track progress, and give feedback through CheckiO Classrooms.Read 7 Oct 2026 · checkio.org
- Community
- The homepage describes a community where users solve missions and analyze other members’ solutions.Read 7 Oct 2026 · checkio.org
- Extension and local tool
- CheckiO says its console tool and web extension let users solve missions using local files.Read 7 Oct 2026 · js.checkio.org
- Free limits
- The free version limits Classroom analytics to the first three students and solution search to the first five results.Read 7 Oct 2026 · checkio.org
- Mobile access
- The Teachers page describes CheckiO as mobile-friendly and accessible on mobile devices.Read 7 Oct 2026 · checkio.org
- Practice
- The site says it has over 500 coding challenges across categories and skill levels.Read 7 Oct 2026 · checkio.org
Plans and prices
Awesome Monthly $4.99 a month No ads · unlimited solution search · all missions Read 7 Oct 2026 · js.checkio.org
Awesome Half-Year $24.99, paid once Half-year subscription No ads · unlimited solution search · all missions Read 7 Oct 2026 · js.checkio.org
Awesome Year $49.99 a year No ads · unlimited solution search · all missions Read 7 Oct 2026 · js.checkio.org
Awesome Teacher $499.99, paid once Classroom analytics · full map and missions · unlimited solution search Read 7 Oct 2026 · checkio.org
Where Specifiction places it
- Coding Learning Software#11 of 428.2
- Coding Challenge Platforms#9 of 308.1
Alternatives to CheckiOAll alternatives →
Codecademy From $1.25/mo · Free plan 9.2 Visit 
Kodable From $10/mo · Free plan 8.8 Visit 
CodeCombat From $9.99/mo 8.7 Visit 
CodeHS From $82.50/mo · Free plan 8.6 Visit 
MIT App Inventor Free plan 8.5 Visit 
Scrimba From $24.50/mo · Free plan 8.5 Visit