Adaptive practice
Koydo's question bank adapts to what you keep missing, so your ACT study time lands on your real weak spots — not material you have already mastered.
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American College Testing Study Guide
Average score improves 3–5 composite points with structured practice
2,100+Practice Questions
4Topic Areas
24/7AI Tutor
Study by Topic
Every ACT topic, broken down.
Work through the 4 areas of the ACT in any order — each one has its own focused practice and an exam-ready breakdown.
English — Rhetorical Skills & Grammar
Study →75 questions, 45 minutes. Equal parts grammar/usage and rhetorical skills.
Math — Algebra through Trigonometry
Study →60 questions, 60 minutes. Progresses from pre-algebra to trigonometry.
Reading — Prose Fiction & Non-Fiction
Study →40 questions, 35 minutes across four passage types: literary narrative, social science, humanities, science.
Science — Data Representation & Research Summaries
Study →40 questions, 35 minutes. Tests scientific reasoning, not scientific knowledge.
How Koydo helps
How Koydo prepares you for the ACT.
24/7 Everyday Tutor
Stuck on a question? The Everyday Tutor explains the reasoning behind any ACT answer — why it is right and why the others are wrong — any time of day.
Mastery tracking
See exactly which of the 4 ACT topic areas are exam-ready and which still need work, so you walk in knowing where you stand.
Study any topic, any order
Jump straight to the area you need. Every ACT topic has its own focused practice set, so a short session is always productive.
Questions
ACT prep questions, answered.
Is Koydo's ACT prep free to start?
Yes. You can begin practicing American College Testing questions for free, then upgrade for the full question bank and unlimited Everyday Tutor help.
How many practice questions does Koydo have for the ACT?
Koydo's ACT bank holds 2,100+ questions across 4 topic areas, each mapped to the structure of the real exam.
What score do I need to pass the ACT?
The passing standard is Score varies by college (typically 28+ for competitive schools). Koydo's mastery tracking shows how close each topic is to that bar before you sit the test.
Can the tutor explain why an answer is right?
Yes. The Everyday Tutor walks through the reasoning on any question — not just the correct letter — so practice actually builds understanding.
How is Koydo ACT prep different from a question dump?
It is one connected system — adaptive practice, an always-on tutor, and mastery tracking — rather than a static PDF or a flat flashcard deck. The practice changes as you do.
Start Practicing Now — It's Free
AI-selected questions targeting your weak spots. Instant explanations. No credit card required to start.