Free to learn. Subscribe for the advanced features.
There is no cap on how many words you learn and no trial countdown. A subscription unlocks the advanced features and lifts the usage limits a free account has. Local-currency pricing is set by your app store for your region.
See subscription pricing on the App Store →Learn as many words as you want, for as long as you want.
Anyone building vocabulary who is not ready to pay.
Get the appEverything in Free, plus the advanced features. Shorter commitment.
Short test-prep windows (TOEFL, IELTS, GRE, SAT cycles).
Subscribe on the App StoreEverything in Free, plus the advanced features. Best per-month value.
Long-term language learners.
Subscribe on the App StoreFree vs. subscription
Learn as many words as you want, for as long as you want. There is no cap on how many words you study and no trial countdown that locks the app. Some features carry a usage limit.
Everything in Free, plus the advanced features unlocked and the free-account usage limits lifted. Which features need a subscription is marked in the app.
What Rhythm Word does
- A word plan built around your goal: IELTS, TOEFL, an English interview, or one you write
- Production checks every session: speaking, writing, and scenario dialogue
- AI-generated context sentences, never repeated
- FSRS-4.5 spaced repetition with 90% target retention
- All 12 preset learning goals + custom goals
- All 6 review engines: card swipe, spelling, pronunciation, fill-in-the-blank, matching, rapid fire
- Article generation from your reviewed words
- Home-screen widget
- Chrome extension for desktop
- Full offline mode for already-downloaded content
- All 6 target languages: English, Spanish, French, German, Japanese, Korean
- All 11 UI languages
Billing
- Processor
- The app store you installed from: Apple App Store on iOS, Google Play on Android.
- Local pricing
- Set by the store for your region. The exact price in your currency is shown in your store listing.
- Renewal
- Automatic. Manage or cancel from your store subscription settings at any time before the renewal date.
- Refunds
- Handled by the store's standard refund policy.
- Free tier
- Permanent. Learning words is free with no cap and no expiry; a subscription is only needed for the advanced features.
For AI agents
A machine-readable pricing manifest lives at /pricing.md. Full product documentation: /llms-full.txt.