Percentage discounts,with a ceiling.

Run 15% off without handing 300 dollars to the one customer who fills their basket. MaxOff caps the discount at the maximum you set — inside Shopify's own checkout, on every theme.

  • ✓ Works with every theme
  • ✓ Nothing added to your storefront
  • ✓ Uninstall-safe
Try it — this is the whole product
%
USD
1,400.00
No cap0.00
With MaxOff0.00
 
01The problem

A generous code and a big basket are the same thing

Shopify has never let you put a ceiling on a percentage discount. Merchants have been asking for it in the community forums for years. Every workaround costs you something.

✕ NATIVE

No cap in Shopify.

Support confirms it, repeatedly, with no timeline. A percentage code applies to whatever the cart happens to be.

✕ MARGIN

One order eats ten.

An influencer code of 20% on a 1,500 basket gives away 300. You meant a nice gesture, not a hole in the P&L.

✕ WORKAROUND

Fixed-amount juggling.

Mixing a percentage code with automatic fixed-amount discounts is fragile, confusing to staff, and often just doesn't fire.

✕ SCRIPTS

Scripts are gone.

It was possible on Shopify Plus at 2,000+ a month. Scripts are deprecated, so even that door is closing.

min(%, cap)

MaxOff runs inside Shopify's own discount engine. A Shopify Function calculates the discount at checkout and stops it at your maximum. The buyer sees one clean discount line. Your theme is never touched.

02How it works

Install to a working capped code in under three minutes

  1. 1

    Write the code

    a discount code like SUMMER15, or an automatic discount with no code at all.

  2. 2

    Set the percentage and the maximum

    15% off, never more than 150. MaxOff immediately tells you the cart size where the ceiling starts working.

  3. 3

    Add the usual controls

    start and end dates, usage limits, one-per-customer, which products it applies to, what it combines with.

  4. 4

    Test before you send it out

    build a basket in the cart tester and see the buyer's checkout side by side, with and without the cap.

  5. 5

    Shopify applies the cap at checkout

    server-side, on every order, on every theme. Nothing is added to your storefront.

  6. 6

    Watch what you kept Coming soon

    every capped order will be logged with the amount the cap saved you, per code and per month.

MaxOff — capped discounts
CodeRuleCap starts above
SUMMER1515% · max 1501,000.00
VIP2020% · max 80400.00
WELCOME1010% · max 25250.00
BF30Scheduled30% · max 200666.67
Example discounts. Every one shows where its maximum starts working.
03Features

Built to do one thing perfectly

Other discount apps do forty things and make you find the one you need. MaxOff has one screen, three fields, and no transaction fees.

A

Compatibility

Runs as a Shopify Function inside the native discount system.

  • Works with every theme including headless
  • discount codes and automatic discounts
  • combines with shipping and product discounts
  • zero theme code
B

Speed

Server-side only.

  • No storefront JavaScript, no layout shift
  • the cap is calculated by Shopify at checkout
  • no external database in the request path
C

Control

  • Maximum per order or per item on Pro
  • start and end dates, usage limits, one per customer
  • your own wording under the discount line at checkout
D

Proof

  • Live preview while you type
  • cart tester showing the buyer's checkout before you launch
  • money kept per code and per month, coming soon
04Compare

Why not one of the other options

MaxOff Shopify native Fixed-amount workaround Big discount suites
Caps a percentage discount✓—~✓
Zero theme code✓✓✓~
No transaction fee, ever✓✓✓—
Live preview before saving✓———
Cart tester✓———
Tells you where the cap starts✓———
One screen, three fields✓~——
Starts under 5 a month✓✓✓—

A tilde means it depends on the plan, the theme, or how much configuration you are willing to do.

05Insights

Know exactly what the ceiling was worth Coming soon

A cap only pays for itself if you can see it working. Order reporting is coming soon: MaxOff will show what the cap kept, every month, without you exporting anything.

Where the cap starts Available now

For every code, MaxOff shows the cart value at which the ceiling begins to bite — 15% with a 150 maximum starts working above 1,000. It is the number nobody explains, and the one that decides whether your cap is set sensibly.

Which orders it caught Coming soon

Every capped order will be listed with the cart total, the discount the customer would have received, what they actually received, and the difference. If a code is being shared on a coupon site, you will see it there first.

06Pricing

Flat monthly price. No transaction fees, no revenue share.

Apps that take a cut of every discounted order punish you for succeeding. MaxOff charges the same whether you run one code or fifty.

Free
$0 forever
  • 3 active capped discounts
  • maximum on the whole order
  • live preview and cart tester
  • start and end dates, up to 15 days per discount
Get early access
Pro
$7.99 /month
  • unlimited active capped discounts
  • everything in Growth
  • maximum per item and per collection
  • a different maximum per market currency
  • CSV export
  • priority support
Get early access
07FAQ

The questions merchants actually ask

What exactly does MaxOff change?

Only the amount of the discount. The code, the products, your prices, your theme and your URLs are untouched. At checkout, Shopify applies the smaller of your percentage and your maximum.

Will this slow my store down?

No. MaxOff adds nothing to your storefront — no script, no snippet, no app block. The cap is calculated by Shopify on its own servers while the order is being priced.

What happens on a cart that is under the maximum?

Nothing. The customer gets the full percentage as normal. The cap only appears on the orders that would have cost you more than you intended.

Does the customer see that the discount was capped?

They see one clean discount line. You choose the note underneath it — the default is "Discount capped at maximum amount" — or you can leave it blank and show nothing.

Does it work with automatic discounts, not just codes?

Yes. A capped discount can be a code the customer types, or an automatic discount that applies on its own.

Can I combine it with my other discounts?

Yes, with the same combination rules Shopify already gives you. When discounts stack, MaxOff caps its own share only — it never touches the other discount.

What data can MaxOff see?

Your discounts, and your products so the cart tester can use your real prices. MaxOff does not read your orders. No customer payment details, no financial account data.

What happens if I uninstall?

Shopify deletes MaxOff's capped discounts when you uninstall it, so none of them keep running without a cap. Nothing is left behind in your theme, because nothing was ever put there.

Is MaxOff on the Shopify App Store yet?

Not yet — we are in early access while we finish the build. Early access is free.

Still not sure? Ask us directly — a real person on the MPC Trades team answers.

08Get in touch

Try MaxOff on your store before anyone else

Start free. Growth and Pro are $4.99 and $7.99 a month, in USD. Tell us your store and what you sell, and we will set you up.

  • ✓ No card, no commitment, no sales call
  • ✓ We install it with you on a test order
  • ✓ Your feedback shapes what we build next

Or email team@mpctrades.com

We reply within one business day. We never share your store details.