How a German Keto Food Store Grew Referral Revenue 39% with a 10% Reward
A German keto food store has run a referral program with BLOOP since October 2025. Over the last six months its referral revenue grew 39%, and the numbers below show how.
referral revenue growth
+39%
Oct ’25 to Oct ’26
Rewards used
46%
Friends who ordered again
13%
Friend reward
10% off
Referral revenue growth
+39%
Rewards used
46%
Friends who ordered again
13%
Friend reward
10% off
Referral revenue index by month
Month by month, Oct ’25 to Oct ’26
Best month · Sep ’26
100
Full monthMonth in progress (to 2026-10-05)Index: best month = 100View the index as a table
Monthly referral revenue index for Low-carb and keto foods, Oct ’25 to Oct ’26, where the best month (Sep ’26) equals 100.
Month
Referral revenue index
Oct ’25
92
Nov ’25
89
Dec ’25
9
Jan ’26
81
Feb ’26
0
Mar ’26
76
Apr ’26
78
May ’26
89
Jun ’26
53
Jul ’26
71
Aug ’26
90
Sep ’26
100
Oct ’26 (in progress)
0
About the store
The store sells low-carb and ketogenic foods, along with recipes for people following a keto lifestyle.
The program
A German keto food store runs a double-sided referral program in BLOOP, with the first referral orders arriving in October 2025. The customer who refers and the friend they invite each get 10% off.
Results
In the last six full months (April to September 2026), referral revenue was 39% higher than in the six months before, the program’s first six months.
46% of the friends who received the 10% reward used it on an order.
13% of referred friends came back and placed at least one more order after their first referral purchase.
The chart shows monthly referral revenue as an index, where the best month equals 100.
To keep this merchant’s business data private, the store is not named and results are shown as percentages and indexes only. Percentages are based on orders attributed to BLOOP referrals, excluding cancelled and refunded orders. Figures are current to 5 October 2026.