Pricing
The learning content is the app, and it costs nothing. Credits exist for one reason: an AI answer has a real per-request cost, and we would rather charge for that honestly than pay for it with your attention.
$0
$9.99 per month
Every new account starts with 25 Credits — roughly 6 sessions on a 4-Credit tool, or 25 on a 1-Credit one. Enough to try several tools properly, not just taste one.
35
credits
$0.99
120
credits
$2.99
350
credits
$6.99
800
credits
$13.99
1,800
credits
$27.99
One-time purchases through Google Play. Credits do not expire while your account is active, and they follow you across devices once you sign in. Prices are in USD; Google Play shows your local price.
| Tool | Credits |
|---|---|
| Scenario Chat | 4 |
| AI Review | 4 |
| AI Custom Practice | 4 |
| Tone Master | 2 |
| Slang Decoder | 1 |
| Slang Roleplay | 1 |
| Write & Polish | 1 |
| Pronunciation Check | 1 |
| Fix My Sentence · Sentence Builder · Fill the Gap · Word Snap | 1 after the 2 free daily rounds |
| Streak Restore | 1 |
If an AI request is charged but fails to return a result, the Credit goes back to your balance automatically.
There is none. No banner, no interstitial, no rewarded video, no advertising network receiving anything about you — and the Android manifest actively strips the advertising ID permission. If that ever changes, the privacy policy and the Play Data Safety declaration will be updated before the release goes live.