# How credits are used

Credits are how building is measured in GenVibe. This page explains what uses them and how to make them go further.

## What uses credits

Credits are consumed as the AI works on your app. The bigger the task, the more credits it uses — generating a full app from scratch uses more than a small text tweak. You're not charged a flat fee per message; usage reflects the actual work done.

## Credits by plan

* **Free:** a one-time pool of 25 starter credits to try GenVibe (Claude Sonnet).
* **Standard & Pro:** a monthly pool that refills on your renewal date, plus access to the most capable model (**Claude Opus**) on every paid plan.

See [Plans & credits](/getting-started/plans-and-credits.md) for current amounts and tiers.

## Buying extra credits

On any paid plan you can buy **one-time credit packs** whenever you need more before your next refill. They're added on top of your monthly credits and **never expire while your plan is active** (they're only forfeited if your account returns to Free).

## Making credits go further

* **Plan your first prompt well** — a clear, complete first description avoids re-do's.
* **Iterate in small, specific steps** — precise changes are cheaper than vague ones that cause large rewrites.
* **Use the inspector** for targeted tweaks instead of describing the whole screen.
* **Avoid re-describing the whole app** each turn — GenVibe already has the context.

## Checking your balance

Your remaining credits are shown in the builder. When you run low, you'll be prompted to upgrade (Free) or told when your pool refills (paid plans).

## Out of credits

* **Free:** upgrade to a paid plan to keep building. Upgrading is instant.
* **Standard & Pro:** your monthly credits refill on your renewal date — or buy an extra credit pack to keep going now.

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[Managing your subscription](/account-and-billing/manage-subscription.md)
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