1
K
Klaviyo
43% of Stack stores
2
T
TrustShop: Product Reviews
43% of Stack stores
3
L
Loox
29% of Stack stores
4
m
mailchimp
14% of Stack stores
5
Z
Zendesk
14% of Stack stores
6
T
Tidio
14% of Stack stores
7
p
pagefly
14% of Stack stores
8
Y
Yotpo
14% of Stack stores
9
C
Candy Rack
14% of Stack stores
10
S
Shop
14% of Stack stores
11
B
Back In Stock
14% of Stack stores
12
G
Geolocation
14% of Stack stores
13
S
Sales Pop
14% of Stack stores
14
b
bixgrow-affiliate-marketing
14% of Stack stores
15
b
bundler-product-bundles
14% of Stack stores
16
G
GOAFFPRO ‑ Affiliate Marketing
14% of Stack stores
17
A
Avada SEO Image Optimizer
14% of Stack stores
18
b
back-in-stock-restock-alerts
14% of Stack stores
App categories used by Stack stores
Other
18
Frequently Asked Questions
What apps do most Stack stores use?
Klaviyo is the most common app among Stack stores, installed on 43% of the 7 stores we analyzed. TrustShop: Product Reviews (43%) and Loox (29%) are also widely used.
Are these app recommendations specific to Stack?
Yes. These apps are ranked by how frequently they appear on real Shopify stores that run the Stack theme — not by general popularity. Stores running Stack tend to have similar needs, so this list reflects what actually works for Stack merchants.
Do all these apps work with Stack?
All apps listed are actively used by Stack stores, which means they're compatible. However, always check each app's requirements and test in a dev environment before going live.
Which free apps are most popular with Stack stores?
Most top apps used by Stack stores are paid tools. Check individual app pages for pricing details.
