Best tech interview question banks (2026)

There are a lot of ways to prep for a tech interview, and they're not interchangeable. Some tools teach you to code; some teach system design; some archive what specific companies actually ask. Here's an honest breakdown of where each one fits — including where Karavine does and doesn't make sense.

Karavine — Knowing exactly what a specific company asks ($15 / company pack)
1point3acres — Deep crowd-sourced archives (if you read Mandarin) (Free-ish (points system)) Karavine vs 1point3acres
Hello Interview — Learning system design deeply (Freemium / subscription) Karavine vs Hello Interview
Gotham Loop — Broad English leaked-question coverage (Subscription) Karavine vs Gotham Loop
InterviewDB — Crowd-reported real questions (Freemium) Karavine vs InterviewDB
onsites.fyi — Level-specific question lists (Free-ish) Karavine vs onsites.fyi
prachub — Role + category organized questions (Freemium) Karavine vs prachub
InterviewBit — Practicing coding fundamentals (Free) Karavine vs InterviewBit
Interview Kickstart — Instructor-led coaching (big budget) ($$ (thousands)) Karavine vs Interview Kickstart
LeetCode — Raw algorithm practice volume (Freemium / premium) Karavine vs LeetCode