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Features, pricing and Editor Score side by side — to help you pick the right education & research tool in 2026.
Quick verdict
Whiz edges it by 0.2 on our Editor Score. Pick Astra AI if you want personalized AI tutor; choose Whiz for full-length SAT, PSAT and ACT practice exams under timed conditions. On pricing, both ship a free or freemium tier, so you can try each before paying.
| Pricing | Freemium | Freemium |
| Free tier | ||
| Best for | personalized AI tutor | full-length SAT, PSAT and ACT practice exams under timed conditions |
AI tutor and exam prep for all subjects
AI test prep for SAT, PSAT, ACT and AP
Choose Astra AI if…
Choose Whiz if…
Your use case decides this one: Astra AI leans into personalized AI tutor, while Whiz is built for full-length SAT, PSAT and ACT practice exams under timed conditions. Weigh features and pricing for your workflow. Both have a free or freemium tier, so spin up each and keep the one that clicks.
Neither is universally better — it depends on your budget and which features matter most. The side-by-side breakdown above shows where each one wins.
Astra AI (freemium) is best for personalized AI tutor, while Whiz (freemium) is best for full-length SAT, PSAT and ACT practice exams under timed conditions. See the full feature and pricing comparison above.
Both have paid plans — pricing depends on your usage tier. Open each tool's review for current prices, and watch for free trials.
Astra AI is usually the easier starting point thanks to a lower barrier to entry. Beginners should favour a free tier and a simple interface over raw power.
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Last updated August 2026. Comparisons are ranked by our Editor Score (features, value and pricing, blended with verified user reviews where a tool has them) — see our methodology.