Subscribe / upgrade / downgrade

Upgrade / downgrade both start from Account → Subscription.

Upgrade

Free → Starter / Pro / Team

1. Account → Subscription
2. Click "Subscribe" on the target tier
3. Redirect to Stripe Checkout
4. Enter card, confirm
5. Done → immediate

Starter → Pro / Team (or Pro → Team)

1. Account → Subscription
2. Click "Upgrade to [higher tier]"
3. Through Stripe Customer Portal (not a new Checkout)
4. Prorated, immediate

Downgrade

Pro / Team → Starter / Free:

1. Account → Subscription
2. "Change plan" / Stripe Customer Portal
3. Pick the lower tier
4. Takes effect next billing cycle — keep Pro perks this cycle

When changes apply

Action	Applies
Upgrade	Immediately
Downgrade	Next billing cycle
Cancel	At end of current cycle

Your data is preserved across all of these

Upgrade, downgrade, or cancel — your data stays:

• Books, chapters, version history → kept
• AI chats → kept
• Reading reports → kept
• Custom preferences → kept

Pro-only features become unusable after downgrade to Starter, but settings persist — re-upgrade and they're still there.

See subscription status

Account → Subscription shows:

• Current tier chip
• Next renewal / cancellation date
• Monthly / annual price
• Cancel / change plan buttons

Related

• Start a trial
• Manage subscription
• Cancel / refund