Nailib
Depends
Confidence: Medium
Only pay after testing the free sample essays against your subjects; the IB student community on Reddit warns content is thin and pricing is opaque.
New check
Comparison
Nailib vs Kognity
Nailib and Kognity both land on Depends.
Kognity
Depends
Confidence: Medium
Buy if you run an IB DP, IGCSE, or NGSS science program and want curriculum-aligned digital textbooks with built-in practice and teacher insights.
| Compare | ||
|---|---|---|
| Verdict | Depends | Depends |
| Best for | IB Diploma students stuck on IAs, EEs, TOK | IB Diploma Programme schools |
| Who it's not for | Students unwilling to test free samples before paying | Individual students or parents, schools buy the licenses, not households |
| Privacy | No known public vulnerabilities found in the sources reviewed.³ | No known public vulnerabilities found in the sources reviewed. |
| Support quality | No support evidence in sources | No support reviews in evidence |
| Public sentiment | Reddit IB communities warn the paid content is thin and scam-adjacent, while ScamAdviser's automated scan calls the site legit.¹ | Student feedback on r/IBO is mixed: many find it useful for structure and practice, while others call the content and question banks limited. |
| Biggest gotcha | r/IBO users report content volume falls short of marketing claims.¹ | Pricing is quote-based per school; no published rates, so budget surprises are common15 |
Pick Nailib when
- IB Diploma students stuck on IAs, EEs, TOK
- Self-studiers wanting subject notes and videos
- Schools wanting an IB curriculum add-on
When Nailib is not a fit
- Students unwilling to test free samples before paying
- Anyone expecting past-paper depth; users say notes run thin
- Non-IB curricula like A-levels or AP; content is IB-only
- Schools needing documented security posture
Pick Kognity when
- IB Diploma Programme schools
- US high school science departments (NGSS)
- IGCSE coordinators
- Districts needing Clever rostering
When Kognity is not a fit
- Individual students or parents, schools buy the licenses, not households
- Tutors and small coaching centers, quote-based school licensing won't fit you
- Schools outside IB DP, IGCSE, or US HS science coverage
- Buyers wanting upfront published pricing
Sources
review
- Does NailIB have good resources? (r/IBO)reddit.comreview
- nailib.com Reviews | ScamAdviserscamadviser.comsecurity
- Nail IB Security pagenailib.comsecurity
- IB Notes & Videos homepagenailib.comofficial
- Sample TOK Essay pagenailib.comofficial
- Question Bank pricing pagenailib.comofficial
- Refund Policynailib.comofficial
- Instagram pricing postinstagram.comofficial
- Nail IB YouTube channelyoutube.comofficial
- Nail IB Crunchbase profilecrunchbase.comnews
- Kognity homepagekognity.comofficial
- EdTech Impact review of Kognityedtechimpact.comreview
- Kognity Review: Learning Approach, Cost & Fitthelearningstandard.orgreview
- Reddit r/IBO: school pricing threadreddit.comreview
- Reddit r/IBO: limited homework questionsreddit.comreview
