Support

We're here to help you study.

Have a question, found a bug, or want to request a feature? Email us at roi@roitechllc.com and we'll get back to you.

Importing Anki decks

Synapse imports standard Anki .apkg files you already own:

In Anki on the desktop, select your deck and choose Export.
Choose the “Anki Deck Package (.apkg)” format and enable “Support older Anki versions”.
Get the file onto your device (AirDrop, iCloud Drive, email) and open it from the Files app, or use the import button in Synapse.

Synapse rebuilds the deck's subject/chapter hierarchy and renders images, LaTeX, and cloze deletions. Note: the very newest Anki export format is not yet supported — if an import is rejected, re-export with “Support older Anki versions” turned on.

iCloud sync

Make sure you're signed into iCloud and that iCloud Drive is enabled for Synapse (Settings → your name → iCloud). Your decks and progress then sync automatically across your iPhone and iPad. Sync runs in the background and may take a moment after large imports.

The AI study coach

The coach and study insights run on-device using Apple Intelligence. If you don't see them, confirm your device supports Apple Intelligence and that it's turned on in Settings → Apple Intelligence & Siri. The coach only discusses your own subjects and progress, and works offline.

Premium, subscriptions & restoring purchases

Synapse is free to use with 5 card reviews a day and unlimited cards. Premium lifts the daily limit — unlimited reviews — for $4.99/month or $49.99/year (save 17%), both cancel anytime, or a one-time $89.99 lifetime unlock.

Restore a purchase (new device, or reinstalled the app): open the upgrade screen and tap Restore Purchases. Make sure you're signed into the same Apple Account you bought with.
Manage or cancel a subscription: Settings → your name → Subscriptions → Synapse. Cancel at least 24 hours before renewal to avoid the next charge.
Refunds are handled by Apple at reportaproblem.apple.com.

Full subscription terms are in our Terms of Use.

Device requirements

Universal app for iPhone and iPad.
Apple Pencil features require a compatible iPad.
The on-device AI coach requires a device that supports Apple Intelligence. All other features work without it.

Troubleshooting

An import failed. Re-export the deck from Anki with “Support older Anki versions” enabled.
Math or images look off. Re-import the deck so its media is refreshed; LaTeX renders offline.
Data isn't syncing. Check that both devices are signed into the same iCloud account with iCloud Drive enabled, then reopen the app.

Still stuck?

Email roi@roitechllc.com with your device model and iOS version and a description of what happened. Screenshots help.