Frequently Asked Questions

Yes. Brick Seller Companion's optional Deep Sync subscription automatically keeps your BrickLink and Brick Owl inventory matched, mirroring quantity, price, and remark changes made on BrickLink over to Brick Owl every 7 days, or on demand.

Deep Sync reads your BrickLink inventory and mirrors changes to Brick Owl, so you only have to manage stock in one place. You can run it manually anytime, review sync history and status in the Cloud Dashboard, and exclude specific items by adding a "~" to their remarks or public note.

Yes. Add a "~" to an item's remarks or public note on BrickLink and Deep Sync will skip that item, so you can keep certain lots out of Brick Owl entirely.

Brick Seller Companion charges a flat $8.99 USD per month for cross-platform inventory sync — not a percentage of your sales, unlike many other BrickLink/Brick Owl cross-listing tools.

Yes, the app is free to download and use for picking orders, managing inventory, shipping, and analytics. Cross-platform inventory sync between BrickLink and Brick Owl is an optional $8.99/month subscription.

No. A BrickLink or Brick Owl account is required — at least one. BrickLink is the default marketplace and some features require a BrickLink account. Cross-platform inventory sync between the two stores is available with an optional subscription.

Brick Seller Companion runs on iOS, Android, and in a web browser, with your data synced across devices.

Yes. Brick Seller Companion lets you pick orders from both BrickLink and Brick Owl in one place, with New, Packed, and Shipped status tracking and automatic problem-order detection.

Yes. Picking progress syncs instantly across devices, so a team can pick the same order together without duplicating work.

Yes, through a built-in Shippo integration you can purchase shipping labels and track deliveries without leaving the app. PayPal Business users also get automatic shipping address verification.

Yes, using Brickognize. Point your camera at a part, set, or minifig to identify it and quickly add it to your inventory. There's also camera-based color prediction and a full LEGO color guide.

Yes. Brick Seller Companion includes 12-month sales history, revenue and shipping net, and most-sold-parts insights, plus an optional shareable store dashboard buyers can view without logging in.

API credentials are stored using your device's secure storage (Google's and Apple's secure storage, via the Expo SecureStore library). All communication happens over HTTPS, and keys are never copied or transmitted beyond direct platform communication.