Yes — across the stores we observe, 2 more confirmed installs than removals over the past 90 days.

Which notable stores use Sizebay?

High-ranked stores where we've observed Sizebay include mc2saintbarth.com, insiderstore.com.br, ysabelmora.com, dlkmodas.com.br, berzerk.com.br. We track 116 stores running it in total.

What is Sizebay commonly used with?

Stores running Sizebay most often also run Microsoft Clarity, Klaviyo, Judge.me.

What platforms is Sizebay used on?

Sizebay's observed install base spans Shopify (86%), Magento (Adobe Commerce) (9%), WooCommerce (3%).

Sizebay Usage: 116 Stores & Market Data

Sizebay usage & market intelligence

OngoingAI has observed Sizebay on 116 ecommerce stores across 6 platforms.

Among 67,018 stores continuously observed over the last 30 days, Sizebay penetration held at 0.1%.

Compare Sizebay alternatives

Stores observed

116

Ecommerce stores where OngoingAI has observed it

Shopify adoption

86%

100 Shopify stores

Coverage

6 platforms

Observed across ecommerce platforms

Last checked Sep 15, 2026

Adoption movement

Installs and removals confirmed across repeat observations of the stores OngoingAI tracks

Growing — 2 more confirmed installs than removals over the past 90 days.

Window	Confirmed installs	Confirmed removals	Net	Newly observed
Last 30 days	2	2	0	34
Last 90 days	4	2	+2	113

Newly observed counts first appearances of Sizebay in OngoingAI's corpus — discovery, not necessarily a new install. Confirmed figures require the store to be seen with, then without, the app (or the reverse) across consecutive comparable scans.

Sizebay adoption by ecommerce platform

Platforms used by stores where OngoingAI has observed Sizebay

116stores

Shopify100 stores · 86%

86%

Magento (Adobe Commerce)11 stores · 9%

WooCommerce3 stores · 3%

PrestaShop1 stores · 1%

Tray Tecnologia1 stores · 1%

Tiendanube / Nuvemshop1 stores · 1%

Notable stores using Sizebay

Observed installs, highest-ranked first

Store	Traffic rank	Cohort
it.mc2saintbarth.com	#56,686	Top 100K
insiderstore.com.br	#69,085	Top 100K
ysabelmora.com	#79,179	Top 100K
dlkmodas.com.br	#81,887	Top 100K
berzerk.com.br	#81,925	Top 100K
ragno.com	#84,519	Top 100K
divinafitness.com.br	#84,882	Top 100K
nunalie.it	#87,519	Top 100K
lorenzodipontti.cl	#191,837	Top 250K
invictus.com.br	#196,894	Top 250K