STEM
GeometryForge
Interactive geometry exploration app for ages 9-14 covering the complete CCSS Geometry curriculum — transformations, coordinate geometry, similarity, proof, and 3D solids — using hands-on RealityKit 3
Meet your mentor
Every Spark & Anvil app has a friendly mentor character that demonstrates, praises, and patiently scaffolds learning. On-device AI personalizes the mentor's responses to your kid's progress — never connecting to a server, never collecting data.
#29B6F6 GeometryForge is a complete CCSS Geometry adventure for students ages 9–14. Master transformations, congruence, similarity, coordinate geometry, and spatial reasoning through interactive problems, animated demonstrations, and 13 adventure-game modes — plus a Rubik's Cube challenge for spatial thinki
What's inside
Tabs
The app has four tabs:
Explore tab (home)
The home screen has six zones, top to bottom:
Practicing a topic
Most topics work the same way:
The 23 topics
Grouped by strand:
Mentored by Hero — on-device AI, no data leaves the device.
How GeometryForge handles your kid's data
- ✅ All progress, settings, and AI-generated content stays on the device
- ✅ No analytics, no tracking, no third-party SDKs
- ✅ No ads, no in-app purchases — you pay once
- ✅ COPPA compliant under the 2026 FTC amendments
- ✅ Parental controls + session limits + content filters built in
GeometryForge runs on ForgeKit — the open-source Swift Package Manager framework that powers every Spark & Anvil app. ForgeKit ensures consistent accessibility, COPPA compliance, and design language across the portfolio, so your kid's progress and preferences feel coherent across every app they touch.
Coming to the App Store
GeometryForge is in active development. Email us to hear when it ships — no marketing, no spam, just a one-shot launch announcement.
Email me at launch