The Apippa alternative with no revenue caps
In short: Apippa's plans are priced by how much you sell: each one covers a monthly amount of revenue from custom products, up to $10,000. Trimsize is one flat price, $29 a month, however much you sell, with a free plan to start on your live store, a 14-day trial, ready-made pricing for your trade, and the production side built in: a queue, material totals, job tickets, proofs and quotes.
Why shops switch to Trimsize
- No revenue caps. Your bill doesn't go up because your busy season did. Pro is $29 a month, or $290 a year, at any sales volume.
- Start free on your real store. Price up to 5 products on the Free plan, with no time limit, and take 14 days to try Pro.
- Every install prices with a Shopify Function. No hidden variants in your catalog, collections or Google Shopping feed, and a checkout rule that stops edited prices.
- Never a wrong price at checkout. Trimsize charges the price it calculated, or stops the checkout. It never falls back to your product's base price.
- Pricing for your trade, ready to go. Start from 18 trade starters, from yard signs and banners to blinds and fabric, with materials, minimums and finishing already set up.
- Price the words customers type. A text field can be priced per letter or at a flat price, and your formulas can read how long the text is: lettering, house numbers and names on plaques.
- Show and hide on any earlier answer. An add-on can depend on the material, a size, a number, a ticked box or a text field, with up to five tests combined as all of or any of.
- Images, text fields, show/hide and translations on every plan, Free included.
- The production side included. Orders flow into a production queue with due dates and material totals, with job tickets, proofs and quotes.
Trimsize and Apippa side by side
| Trimsize | Apippa Custom Price Calculator | |
|---|---|---|
| Price | $29 a month or $290 a year | $19.99, $29.99 or $49.99 a month, by revenue |
| Revenue caps | None | $1,000, $5,000 or $10,000 a month of custom product revenue, by plan |
| Free plan on a live store | Yes, up to 5 products | Development stores only |
| Free trial | 14 days | 10 days |
| Price at checkout | Shopify Function on every install | Shopify Function for installs since 24 December 2025; older installs use hidden variants until support switches them |
| If a cart is too big to price | Checkout stops it; the product page warns first | Prices can fall back to the product's base price |
| Text field priced by its length | Per letter or flat, and formulas read the count | Its formula reference says a formula can't read a Text Input |
| Show and hide fields | On the material, sizes, numbers, checkboxes and text, up to 5 tests as all of or any of | One value, is or is not, on a dropdown, image selector, radio button or checkbox |
| Production queue, material totals, job tickets | Included in Pro | Not in its listing |
| Proofs and quotes | Included in Pro | Not in its listing |
What you pay as you grow
| Custom product sales a month | Trimsize | Apippa |
|---|---|---|
| Getting started, up to 5 products | $0 | from $19.99 |
| $3,000 | $29 | $29.99 |
| $8,000 | $29 | $49.99 |
| $20,000 | $29 | above its listed plans |
At $8,000 a month, Trimsize saves you $251.88 a year, or $309.88 on the yearly plan. And the more you sell, the further apart the two get.
Exact at checkout, every time
Shopify limits how much work a checkout function can do in one cart, and every size calculator has to live with that. What matters is what happens at the limit. Apippa's help centre says that when a cart holds too many calculator items, prices fall back to the product's base price, so an order can go through at the wrong price. Trimsize tells the shopper on the product page when the cart is full, and stops an extra line at checkout. You never ship a job at a price you didn't set.
And because Trimsize has priced with a Shopify Function from day one, there's nothing to switch on: no hidden variants piling up in your catalog, and no stale variants breaking abandoned carts.
Images, text and show/hide, on every plan
Everything below is on the Free plan and on Pro, with nothing extra to pay.
- Text you can price. A text field charges per character or a flat amount, with spaces free unless you count them. Your formulas read its count too, so "$0.25 for each letter over 30" is one line. Apippa's formula reference says a formula can't read a Text Input. Checkout counts the text again and refuses text that breaks your rules.
- Show and hide that follows the whole order. Test the material, the width or height ("at least 3000"), a number, a ticked box or whether a text field is filled in, and combine up to five tests with all of or any of. A field that depends on a hidden one stays hidden, so a chain of questions needs one field per question. Apippa's conditional display holds one value per condition, is or is not, and watches dropdowns, image selectors, radio buttons and checkboxes. Checkout applies the same tests, so a hidden add-on is never charged.
- Images on choices, on tiles, cards and swatches, from your store's Files, so a template carries them to every product. A choice can switch the product's main photo, and only does when you pick one for it.
- Translations, once for your whole store: translate a word and every product using it follows. Your words appear in the shopper's language on the product page, in the cart and at checkout, and the block's built-in words come in English and German, while your production queue and job tickets keep your words.
How to switch from Apippa
- Install Trimsize and start on the Free plan, or the 14-day Pro trial.
- Pick your trade on Trimsize's Home and choose a product. Its materials, minimums and finishing are set up for you; change the rates to yours, or paste your price table from a spreadsheet.
- Add the Trimsize block to the product page in the theme editor, in place of Apippa's calculator. See Product page block.
- Place a test order at an odd size and check the cart, checkout and order.
- Move the rest of your products by applying the same template, then uninstall Apippa.
Most shops have their first product priced in minutes. Questions while you move? Email support@trimsize.app.
Questions
Is Trimsize a good Apippa alternative?
Yes, for products priced by width and height or by length: area rates with minimums, price tables, add-ons and formulas, charged at checkout by a Shopify Function, at one flat price with no revenue caps.
Will my Trimsize bill go up as I sell more?
No. Pro is $29 a month or $290 a year whatever your sales, with unlimited priced products and no per-order fees.
Can I try Trimsize before removing Apippa?
Yes. Set up one product in Trimsize and put its block on that product's page in place of Apippa's calculator, while your other products keep Apippa. Each app prices only its own cart lines, so place a test order and move the rest when you're happy.
Can Trimsize price text, like lettering or a name on a plaque?
Yes. A text field can be priced per character or at a flat price, on every plan, and your formulas can read how many characters were typed. Checkout prices it exactly as the product page did.
Does Trimsize need Shopify Plus?
No. Trimsize works the same on every Shopify plan, including Basic.
Apippa details from its Shopify App Store listing and its help centre's articles on checkout, formulas and conditional display, read on 5 November 2026. Prices in US dollars.