AgoFact · every app, plus builds

Keep WTW 114: Indefinite Integrals and Antiderivatives — Practice Quiz open—and everything after it.

One plan opens all 169 interactive study apps on AgoFact and includes study apps you build yourself, every month. Choose monthly flexibility, or take the early yearly rate at half the cost.

Platform-wide access

Standard or Plus

One subscription for every published study app—from the first practice problem to the last exam review—and a monthly allowance for building your own.

All 169 interactive study apps
Every school and course on AgoFact
20 study apps you build each month, or 50 on Plus
Revising an app you've built never uses up another—you just need builds remaining
Newly published apps included automatically
Cancel anytime in secure Stripe billing

USD sets the price. Stripe converts it at Checkout to an eligible local currency using its current exchange rate.

Standard20 builds / monthPlus50 builds / month

MonthlyYearlySave 50%

Early plan · best value

$1.50/ month

$18 billed yearly · 20 builds a month

12 × $3$36

You pay$18

Save $18 compared with twelve monthly payments.

Prefer to look around first? Open two study apps free—no card needed. Start free

Secure checkout by Stripe · Prices shown before tax