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How to create a discount

11 min readUpdated October 28, 2026

Set up your discounts (percentage or amount) to apply them in one tap to a ticket or an item.

A discount is a reduction you prepare in advance (“Lunch deal”, “Happy hour”…). At the sale, you apply it in one tap to the whole ticket or to a single item.

Only the title is required. Pick the app or the back-office (on a computer) below.

Create a discount from the app

The screens below are from the Tunder app on a phone or tablet.

  1. Open your discounts

    Tap the menu icon ☰ at the top left, then Items. Then open the Discounts tab.

  2. Tap the + button

    It is at the bottom right of the screen. The “New discount” form opens.

  3. Enter a title

    Type the name of the discount in the “Title” field.

    • Title: the name of the discount, shown in the discount list, in the cart and on the receipt. This is the only required field: with no title, the form shows “Title cannot be empty” and the discount is not saved.
  4. Enter the value

    Under the title, the field is called “Percentage” or “Amount” depending on the type chosen further down (Percentage by default). Enter the value of the discount.

    • Percentage: if you enter more than 100, Tunder saves 100.
    • Variable amount: if you tick this box (see the next step), the value entered here is the one suggested by default at the sale.
  5. Tick “Variable amount” if needed

    Under the value, the “Variable amount” box says “Set the value of the discount upon sale”. It is unticked by default.

    • Ticked: Tunder asks you for the value of the discount each time you apply it. Handy when the reduction changes from one customer to the next (goodwill gesture, negotiated price).
    • Unticked: the discount always has the same value.
  6. Choose the discount type

    Under “Type”, at the bottom of the form, choose Amount (followed by your currency symbol) or Percentage (%). Percentage is selected by default.

    • Percentage: the discount takes a share off the price (for example 10%).
    • Amount: the discount takes a fixed sum off (for example $2).
  7. Change the color

    Tunder gives each new discount a color. To change it, tap the circle at the top of the form (“Edit”), then pick a color in “Choose a color”.

    • The color tells the discount apart in the list and on the sales screen grid.
  8. Save the discount

    Tap OK at the top right: the “Discount created” message confirms it is saved.

    • Save and create a discount: this button, at the bottom of the form (at creation only), saves the discount and opens an empty form right away for the next one.

Apply a discount at the sale

Only in the app. A discount is not attached to an item: you apply it at the time of the sale, to the whole ticket or to a line.

  1. On the whole ticket: from the Discounts tab

    Tap the menu icon ☰, then Sell, and open the Discounts tab. Tap the discount you want: it applies to the whole ticket.

    • Variable discount: Tunder asks for the value (“Enter a percentage” or “Enter an amount”). Enter it, then tap Add.
    • Remove: tap the active discount again to take it off the ticket.
    • Empty ticket: add an item to the ticket first, so you can apply the discount.
  2. On the whole ticket: from the cart

    Open the cart, tap the options button at the top right, then “Add discount” and pick the discount in the “Discounts” list.

    • Change or remove: the same button then reads “Edit discount”. Pick another discount, or tap “Cancel selection” to remove the one on the ticket.
    • Sliding the discount line in the cart also removes it.
  3. On a single item

    In the cart, tap the item's line, then “Add discount” and pick the discount.

    • Change or remove: the line then offers “Edit discount”. Pick another discount, or tap “Cancel selection”.

Warning. Tunder refuses to add a discount when the ticket contains a negative-priced item: a message tells you so. Remove that item to apply the discount.

Edit or delete from the app

The screens are those of the Tunder app on a phone or tablet.

  1. To edit: tap the discount

    Tap the menu icon ☰, then Items, the Discounts tab, then the discount in the list. Its form opens.

  2. Change what you want

    Edit the title, type, value, “Variable amount” box or color, then tap OK at the top right.

    • The “Discount updated” message confirms it is saved.
    • Same as at creation: each field is set as in “Create a discount from the app”, above.
  3. To delete: tap Delete

    At the bottom of the form, tap Delete, then tap it again to confirm.

  4. To duplicate

    Only in the back-office: the app has no duplicate option. Create a new discount, or use the back-office.

Frequently asked questions

What is the difference between a percentage and a fixed amount?
A percentage takes a share off the price (10% of $20 = $2). A fixed amount takes the same sum whatever the price ($2). You choose it in “Type” (app) or “Discount type” (back-office) when you create the discount.
How do I make a discount whose value changes at each sale?
Tick “Variable amount” in the discount's form. At the sale, Tunder asks for the value each time you apply the discount. The value entered in the form is the one suggested by default.
Can I apply a discount to a single item?
Yes, in the app: in the cart, tap the item's line, then “Add discount” and pick the discount. For the whole ticket, use the Discounts tab of the Sell screen or the cart's options button.
Why can't I add a discount to my ticket?
Tunder refuses a discount when the ticket contains a negative-priced item. Remove that item from the ticket, then apply the discount. If the ticket is empty, add an item first.
How do I remove a discount from a ticket?
In the app: tap the active discount again in the Discounts tab of the Sell screen, or open the discount list from the cart and tap “Cancel selection”. Sliding the discount line in the cart also removes it.
How do I delete several discounts at once?
Only in the back-office (admin.tunder.co, on a computer): Items, Discounts tab, tick the discounts, then click “Delete” in the action bar and confirm. This action cannot be undone.
How do I change the order of my discounts?
Only in the app: Sell screen, Discounts tab, then the sort icon at the top right of the list. Drag the discounts with the handle on the right, then tap OK.

See also

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