1. How can I use Ostras?
It’s easy! Click on 1 of these links (Versión en español / English version) to start your Ostras journey or Scan 1 of the QRs below.
2. Do I need to register to participate?
Yes, you’ll need to register the first time by providing your email address, postcode, and year of birth. This allows Ostras to offer you access to the pilot campaign and track your points, which can lead to exciting rewards.
3. Is there a cost to participate in Ostras?
No, participating in Ostras is completely free. You can win rewards by simply rescuing food that has an expiry date of 5 days or less. Take the opportunity to contribute to reducing food waste while earning rewards for your actions.
4. What are the benefits of using Ostras?
By rescuing food products with an expiration date of 5 days or less, you earn points while helping to reduce food waste.
🎁 Weekly Prizes: Each week, the top 10% of participants who collect the most Ostras points will win exciting rewards. Didn’t win this time? No worries—every week brings a new contest with fresh prizes chosen by you!
5. How are Ostras points calculated?
Points are allocated based on the number of days remaining until a product expires. The points system is detailed below:
6. Where can I benefit from Ostras rewards?
During this pilot phase, our service and rewards are currently available only in Spain. The products covered by this PROMOTION include all food items with an expiration date of 5 days or less that the Participant has purchased from a physical supermarket in Spain—regardless of the supermarket.
If you’d like to see Ostras in your city, we’d love to hear from you! Reach out to us at info@ostrasdescuentos.com and let us know where you’d like us to expand.
7. How to earn rewards when buying products with an expiry date of 5 days or less?
- Visit any physical supermarket in Spain—regardless of the chain—and purchase products with an expiration date of 5 days or less.
- Share your rescued products with Ostras within 24 hours of purchase by accessing one of the following links: Versión en español / English version
- Complete the form and take a clear photo of the receipt showing the purchased products, the date, and the supermarket.
- Take a clear photo of each rescued product (up to a maximum of 3 products per purchase receipt) with the expiration date clearly visible.
- Click ‘Next’.
- You’ll receive a confirmation that your request has been successfully processed. Don’t forget to let us know which rewards you’d prefer!
8. When should I submit my supermarket tickets?
You have 24 hours from the time of purchase to upload your ticket. It is crucial that the date and time of purchase are clearly visible on the photo you capture. Make sure the image is clear to facilitate the verification process. We recommend that you send the receipt as soon as you have made the purchase.
9. What kind of receipts can I upload?
You can upload receipts from any physical supermarket —regardless of the chain— in Spain, for products you bougth that had an expiration date of 5 days or less. Ensure the receipt is legible, with the purchase date and saved products clearly visible.
10. How long does it take to validate my receipt?
Once your receipt is uploaded, the validation process can take up to 72 hours. You will receive a email when your receipt has been approved and the rewarded Ostras Points will be automatically credited to you.
11. Can I upload more than one receipt per day?
Yes, you can upload multiple receipts, but each receipt must be for a different purchase. However, please make sure that you have purchased products with an expiry date of less than 5 days on this purchase.
12. Can I share my supermarket tickets with other Ostras users?
Each ticket can only be used once! If the same receipt is submitted by several users, only the first user who submitted it will receive the related Ostras Points.
13. What happens if my receipt is rejected?
If your receipt is rejected, we will inform you of the reason via email. If you have any further questions, please don’t hesitate to contact us.
14. Can I earn rewards for products that do not expire in less than 5 days?
No, rewards only apply to products with an expiry date of less than 5 days. Be sure to check expiry dates before submitting a reward request in the app.
15. How do I receive the rewards?
Once your receipt and photo are validated, your rewards will be credited directly to your Ostras account as Ostras points. Each week, the top 10% of participants who accumulate the most Ostras points will win exciting rewards. After completing the form, you’ll be asked to choose your preferred rewards—don’t forget to let us know your choices!
Didn’t win this time? No worries—every week brings a new contest with fresh prizes, all chosen by you!
