Productivity
IO reader
Last updated 2026-07-10 · benchmark measured 2026-07-10 — deterministic & reproducible
IO Reader is a reading app built to develop deep focus through classic literature and AI.
Is IO reader production-ready?
Legit.Show ran its deterministic 7-Frame production-readiness benchmark on IO reader (public-surface assessment), measured from the public surface with no LLM in the scoring path. Its strongest frame is Reliability; its weakest is Security. The per-frame breakdown is public on the Legit.Show listing; the single overall production-readiness score is reserved for the verified maker.
The 7 Frames
- Performance — 86/100
- Accessibility — 96/100
- Security — 45/100
- Privacy — 75/100
- Reliability — 100/100
- Standards — 89/100
- Discoverability — 70/100
What we measured
- Security headers present: HSTS.
- No Content-Security-Policy.
- Served over HTTPS with a valid certificate.
- Real Lighthouse performance run — 94 ms to first byte.
- Returns a proper 404 for unknown routes.
- 3 of 3 sampled routes reachable.
- Has a reachable privacy policy.
- Sets cookies / loads scripts with no consent prompt.
Who it's for
Serious readers · Students · Researchers · Book rereaders · Lifelong learners
Pricing
Founding price available for early members; IO+ subscription for unlimited persona responses and AI features