Keep your store
running. Undo anything.
Focused apps for stock, merchandising, and SEO — each one reversible and fully audited, so nothing they do to your store is something you can't take back.
One suite, one way of working
Each does one job well and installs on its own from the Shopify App Store. Add the ones you need — they share the same safe, reversible foundation.
Stock & availability
4 appsBack in Stock Alerts →
Notify shoppers the moment items return — and capture the sale you were losing.Pre-orders →
Sell it before it's back. Take the pre-order instead of showing “sold out”.Hide Sold-Outs →
Auto-hide sold-out products, then restore them exactly on restock.Reorder & Dead Stock →
Reorder points, dead-stock recovery, and purchase orders — see the cash stuck on your shelves.Convert & merchandise
4 appsScheduled Sales →
Schedule a sale that reverts to the exact original price — to the cent — when it ends.Wishlists →
Save-for-later that brings shoppers back — with flat, unlimited pricing.Recently Viewed →
Bring shoppers back to what they were just looking at, right on the storefront.Delivery Date Picker →
Let customers choose a delivery or pickup date at checkout — cutoffs and blackout days included.Apps that change your store — and can always take it back
Most apps write to your store and hope for the best. Every Tendor app is built the opposite way: nothing happens that can't be seen and undone.
Undo is a feature, not a support ticket
A scheduled sale, a hidden product, a bulk SEO fix — each is applied as a reversible change set and rolled back exactly, restoring the precise prior state. No re-deriving, no drift.
A tamper-evident record
Every action is written to a hash-chained log, per store. You can always see what an app did, when, and put it back — the same trail your team and ours can trust.
EU-native, walled off
Your data is scoped to your store at the database level and stays in the EU. No app can read another store's data — enforced in the database, not just promised in a policy.
Free to start. One fair plan when you grow.
Every app has a genuinely useful free tier and a single Pro plan — billed in EUR, no per-item nickel-and-diming. Pay only for the apps you actually use.
Questions, answered
What is Tendor?
Tendor is a suite of focused Shopify apps for stock, merchandising, and SEO. Each installs on its own and does one job well — and they share the same reversible, audited foundation.
How is “undo anything” actually possible?
Every change an app makes is applied as a reversible change set and recorded in a per-store, hash-chained audit log, so it can be rolled back to the exact prior state — not a re-derived guess.
How much does it cost?
Every app has a genuinely useful free tier and a single Pro plan, billed in EUR through Shopify — no per-item fees. You pay only for the apps you actually use.
Do I have to install the whole suite?
No. Each app is a separate Shopify App Store listing you install on its own. Add only the ones you need.
Where is my data stored?
In the European Union, isolated per store at the database level, so no app can read another store's data. See Trust & security for the details.
Who makes Tendor?
Datadir, an EU software studio. We're also building for the Atlassian Marketplace under the Datum brand.