IB Competitive Landscape & Content Distribution Strategy
Summary of competitive analysis, SEO strategy, and community outreach for the apibstudyguide IB study resource.
Key Takeaway
The IB study resource market has clear leaders per subject (RevisionVillage for math at 4.9/5, BioNinja for biology, Richard Thornley for chemistry YouTube) but most free content is still aligned to the outdated 2016 syllabus. The 2025 syllabus alignment is the primary competitive differentiator. Distribution through Reddit r/IBO requires leading with genuine study tips — never open with a link.
Competitive Landscape
| Competitor | Subject | Rating | Strengths |
|---|---|---|---|
| RevisionVillage | Math | 4.9/5 | Questionbank, prediction exams, video solutions |
| Richard Thornley | Chemistry | 4.6/5 | YouTube, video-game-style format |
| ibmathsresources | Math | 4.3/5 | 300+ IA ideas, Desmos integration |
| Stephanie Castle | Biology | 4.2/5 | YouTube, Apple Distinguished Educator |
| BioNinja | Biology | 3.9/5 | All topics complete, strong visuals |
| MSJChem | Chemistry | 3.9/5 | Short focused videos by syllabus point |
Content Marketing Strategy
Reddit r/IBO (150k+ members)
- Post timing: April 14-28, Tuesday/Wednesday evenings UTC
- “Study Tips” flair gets more upvotes than “Resources” (reads as peer advice)
- Never open with a link — lead with value (specific exam traps, common mark-scheme mistakes)
- Reply to every comment within 2 hours (early engagement is the main ranking lever)
- Space posts 5-7 days apart to avoid spam appearance
Resource List Pitches
7 compilation sites targeted with customized pitches emphasizing: 2025 syllabus alignment, completely free with no signup, PDF downloads, exam alert boxes.
IB Biology Exam Traps (Content Example)
- Confusing light-dependent vs. light-independent reactions (CO2 fixed by RuBisCO in stroma, not thylakoid)
- Writing “enzyme changes shape” instead of “active site changes shape”
- Misidentifying ribosomes vs. glycogen granules in electron micrographs
- Conflating meiosis and mitosis on genetics questions
- Under-explaining gas exchange (must name carbonic anhydrase and bicarbonate conversion)
See also: multi-agent-architecture, source-claude-usage-patterns