Your ad spend andinventory,finally on the same side.

Calderyn watches your Meta, Google & TikTok ad spend and Shopify inventory together — and steps in before money leaks into products you can't sell.

Join 1,200+ Shopify merchants on the waitlist.
calderyn · control room LiveSpendStockAudit
Active leak · auto-detected 2m ago

Spend climbing on a sold-out SKU

"Aurora Linen Throw" — ad spend +38% / 24h, but 0 units in stock across 3 locations.

Pause campaign & hold $2,140 Review
$2,140 ▲ wasted spend / 24h
Protected this monthlive
$18,420
Campaigns watched
47
3 paused by guardrails
Inventory synced
12,904 SKUs
Shopify · 3 locations

Built for stores that live on paid acquisition

The product

One brain for the two numbers that drain you.

Spend and stock usually live in different tabs run by different tools. Calderyn watches them as one system.

See the leaks

See the leaks before they cost you.

Unified ad + inventory alerts surface unprofitable spend and stockouts in one place — ranked by the dollars at risk right now.

  • Spend-vs-stock mismatches flagged in real time
  • ROAS and margin-aware, not just clicks
  • One feed across Meta, Google & every Shopify location
leaks · ranked by $ at risk
Aurora Linen Throw
Sold out · spend +38%
$2,140 risk
Ember Soy Candle
ROAS 0.7 · below margin
$880 risk
Dew Hand Balm
12 units · stockout in ~2 days
watch
Cloud Crew Socks
ROAS 4.1 · healthy
scaling
Acts, not alerts

It acts — not just alerts.

Guardrailed auto-actions pause campaigns and reallocate inventory the moment a leak appears, with a full audit log and one-click undo.

  • You set the guardrails; Calderyn stays inside them
  • Every action is logged, reversible, and explained
  • Approve manually or let it run on autopilot
audit log · last 24hAuto
Paused "Aurora Throw — Prospecting"
Meta · sold out · 2:14pm
undo
Moved 40 units → Brooklyn DC
Reallocated to demand · 1:02pm
undo
Capped budget on "Ember" set
ROAS below 1.0 · 11:40am
undo
Held $2,140 in wasted spend
Net result · today
saved
Ask it anything

Ask it anything.

A built-in AI assistant explains every alert in plain language, traces the money, and recommends the next move — so you decide in seconds.

  • Plain-language reasoning behind every action
  • Ask about any product, campaign, or location
  • Turns a recommendation into an action in one tap
assistant
Why did you pause the Aurora Throw ads?
It's sold out in all 3 locations, but Meta spend rose 38% in 24h — about $2,140 going to a product no one can buy. I paused prospecting and kept retargeting off until restock.
When can we turn it back on?
Restock ETA is Thu. I can auto-resume the moment stock lands — want me to?
The system

On autopilot. Never out of your hands.

Calderyn watches every dimension that decides whether a sale is profitable — and only acts inside the limits you set.

Connect Meta, Google, TikTok & Shopify

Read-only to start — Calderyn earns trust before it touches a single campaign or transfer.

Meta Ads Google Ads TikTok Ads Shopify

Guardrails you define

Set the rules — spend caps, margin floors, which actions need a tap. Calderyn never steps outside them.

One-click undo

Every action is logged, explained, and reversible. Nothing happens that you can't roll back.

Margin & ROAS aware

Decisions weigh real profit, not just clicks — so a "winning" campaign that loses money gets flagged.

Multi-location stock

Inventory synced across every Shopify location, so spend always reflects what you can actually ship.

Real-time, ranked by dollars at risk

The biggest leaks float to the top the moment they appear — you always see the costliest problem first.

How it works

Live in minutes. In control the whole time.

1

Connect your stack

Link Meta, Google, TikTok & Shopify in a few clicks. Read-only first — Calderyn earns trust before it touches anything.

2

It watches spend + stock

Calderyn maps every campaign to the products it sells and tracks margin, ROAS and inventory in real time.

3

It flags — and optionally acts

When money starts leaking, you get a ranked alert. Inside your guardrails, Calderyn can fix it for you.

4

You stay in control

Full audit log and one-click undo on everything. Tighten the leash or loosen it whenever you like.

0

Shopify merchants already in line for early access.

Stop paying to sell what you can't ship.

Get early access to Calderyn and put your ad spend and inventory on the same side.

No spam. Just your spot in line and a heads-up when it's your turn.