Upgrade packages and prices
In addition to our comprehensive free offering, you can book additional participant slots as upgrades.
| Upgrade* | Price Early Bird** |
Price Regular |
Required Score |
| + 25 Slots | €14,90 | €15,90 | |
| + 50 Slots | €25,90 | €27,90 | |
| + 75 Slots | €36,90 | €39,90 | |
| + 100 Slots | €46,90 | €50,90 | |
| + 125 Slots | €56,90 | €61,90 | |
| + 150 Slots | €66,90 | €72,90 | 600 Points |
| + 175 Slots | €76,90 | €83,90 | 600 Points |
| + 200 Slots | €86,90 | €94,90 | 800 Points |
| + 225 Slots | €96,90 | €105,90 | 800 Points |
Last updated: January 28, 2026; Prices are subject to change; you can find the current prices when selecting an upgrade in your user account
* The actual availability of upgrade packages for your user account depends on several factors (e.g. total score, participants recruited so far, upgrades booked so far).
** Early bird prices apply if you still have unused slots left at the time of booking the upgrade and your study is still listed in the Survey Ranking.
* The actual availability of upgrade packages for your user account depends on several factors (e.g. total score, participants recruited so far, upgrades booked so far).
** Early bird prices apply if you still have unused slots left at the time of booking the upgrade and your study is still listed in the Survey Ranking.