Rolling your own
Learnosity Build
Time to first production deploy
9–14 months
1–3 sprints
Engineers needed
5–8 FTE, ongoing
1 integration eng. + your product team
Question types at launch
4–6, and brittle
50+, battle-tested
Math scoring
String-match marks valid answers wrong
Syntax-aware engine autoscores open-ended math
Adaptive & branching
Hire a psychometrician, rebuild the player
CAT and branching, configurable out of the box
Reporting & analytics
Build the dashboards and pipeline from zero
Embeddable reports and Data API on day one
Item bank & content management
Build a CMS too: tagging, search, versioning
Included, with a full audit trail
Accessibility (WCAG 2.2 AA)
DIY audit, then rebuild
Certified, per item type
Security & compliance
Years of audits before you're trusted
ISO 27001-certified, FERPA, GDPR compliant
High-stakes scale
Re-architect at 10×
Burst-ready, autoscaling
Uptime & reliability
Every outage is yours to fix, at any hour
SLA-backed, monitored around the clock
Cross-browser & device QA
Chase browser bugs every release
Tested cross-browser and platform, usually fixed before you hit it
Ongoing maintenance
Patches and tech debt, forever
Handled for you, shipped every three weeks
Localization
Bolted on later, at great cost
Label bundles and languages out of the box
5-year total cost
2×+ once maintenance and hosting land
One licence, hosting included
Risk of never shipping
Real, and common
Proven in production at scale