FAQ – Frequently asked questions

Bank details can be changed in the app, under the heading “More…” then “Refund method”.

An IBAN can only be used by one user.

For the time being, no notification is sent (neither by email nor via the app), but this project is being analysed.

The duration of the campaigns varies and it depends on the availability of products for sale in the campaign.

The number of participations in different campaigns is limited to 5 per person per week. Please note that only one participation per campaign is allowed per person.

We advise you to consult the app regularly to check for new campaign publications.

Click on the chosen product and then on the “Book” tab under the product photo, the remaining booking time will then be displayed.

Your booked campaigns can be found under the heading “My Campaigns” under the tab “Booked”.

Technically it is not possible to reserve a campaign declared as “finished”, it is however possible for this same campaign to be reactivated later if the number of products on sale is not used, or the reservations are not confirmed by a purchase.

If you have any further questions or comments, you can write to us HERE

The time limit is displayed in the “My Campaigns” section, “Take Survey” tab.

Once your survey has been sent it is no longer possible to add a comment.

You can close your account in the app, under “More…” then “My account” and “Delete account”.

You just have to click on ” I forgot my password”.

Changing the password can be done in the app, under “More…” then “My Account” and “Change my password”.

Personal details can be changed in the app, under “More…” then “My Profile”.

If you have any further questions or comments, you can write to us HERE

Refunds prices are based on the average selling price observed in the points of sale.

This is the average selling price observed in the majority of points of sale. Some slight price variations may however exist.

If the barcode is damaged, it is possible to enter the barcode number manually in the application.

Please check that your purchase corresponds strictly to the product described in the application (brand, size, etc.). If this is the case and it doesn’t work, you can contact us HERE.

No, only the exact described product can be accepted for testing and refund.

Multiple products can be purchased, but only one product refund is possible.

The products are mostly found in supermarkets.

The delay varies according to each campaign, to know how long it takes click on the chosen product then on the “Reserve” tab under the photo of the product and the remaining reservation time will be displayed. This is the time left to make your purchase before the reservation is cancelled.

The purchase options are specified in the specific campaign conditions.

There is no minimum amount, you can request a refund for any amount.

We endeavour to respect the 14 day time limit.

You must first complete the survey and submit it to the Treetz team for validation, then your refund can be authorised and paid into your bank account.

No, only one participation per household is allowed per campaign, but each member of the same household can participate in different campaigns.

Please check your campaign history, the reasons for rejection are indicated there.

Please check the “My portfolio” section, then “My payment history”.

The deadline is 14 days after the campaign has been finalised.

Your reservation must have expired.

Sorry, you weren’t quick enough!

The delay varies according to each campaign, to know how long the booking lasts click on the chosen product then on the “Reserve” tab under the photo of the product and the remaining reservation time will then be displayed. This is the time left to make your purchase before the reservation is cancelled.

Click on the chosen product and then on the “Book” tab under the product photo.

The duration of the reservations varies according to each campaign, to know how long the booking lasts, click on the chosen product then on the “Reserve” tab under the photo of the product and the remaining duration of the reservation will be displayed.

Up to 5 participations/reservations for different campaigns are possible simultaneously.

Currently sponsorship is not possible but is under consideration.

Currently sponsorship is not possible but is under consideration.

It is preferable that the ticket has a barcode, but if it does not have one your proof of purchase will still be accepted.

It is necessary to send the whole ticket to prove your purchase, you have the possibility to photograph it in several shots.

No, it is not possible to scan a ticket after a campaign termination unless you have previously booked this campaign and your reservation is still valid.

To know the delay, please check this information in the application under the heading “invalid proof of purchase”.

Digital receipts are valid as long as the screenshot is clearly legible and and that all the invoice information are included: Name of the brand, product, price, date and number of the invoice

No, a proof of purchase in the form of a receipt is required.

Once refused, you will be able to re-enter it a second time for validation.

If your proof of payment is refused, you will have the opportunity to re-enter it a second time for validation.

No, the same ticket cannot be shared with another person and can only be used on one account.

You can re-enter it a second time for validation.