Instant Buy ‑ Sticky Cart

Shopify cart customization app by Eggflow, LLC·Create a Sticky Add To Cart button to make it easier to buy in your store, and support mobile.

Snapshot

4.50(5 reviews)#171of 472 inCart customization

Ongoing.AI tracks Instant Buy ‑ Sticky Cart daily — category rank, keyword positions in App Store search, install footprint, listing changes, and reviewer sentiment — back to when we first observed the listing.

Rating

4.50

5 reviews

Pricing

From $9/mo

freemium

Built for Shopify

No

Years live

8

launched Mar 26, 2018

Last updated

Jun 30, 2026

Shopify listing

Keyword rank over time

Where Instant Buy ‑ Sticky Cart shows up in App Store search.

Daily position on the Shopify App Store search-results page for every tracked term Instant Buy ‑ Sticky Cart ranks on. Lower is better — the Y axis is inverted so strong ranks sit at the top. Best so far: #32 on "sticky add to cart".

#31#34#36#39#41May 28May 31Jun 4Jun 7Jun 11sticky add to cart
1 term, 12 daily observations. Tracked daily from Ongoing.AI's App Store search snapshots — gaps are days the app fell off the captured pages entirely.
  • sticky add to cart

    #34

    best #32

    −2 positions

Catalog position

Where Instant Buy ‑ Sticky Cart sits in the App Store.

Rank and percentile inside the Cart customization category — the competitive shape of the niche around this app.

Rank in Cart customization

#171

of 472 active apps

Review count percentile

61th

vs category siblings

Rating percentile

49th

vs category siblings

Years on App Store

8

since 2018

Listing change cadence

What Instant Buy ‑ Sticky Cart has changed lately.

Every pricing tweak, tagline refresh, and Shopify-side listing ping. Captured from Ongoing.AI’s per-scrape diff log — the cadence and the content of changes, in one strip.

Listing changes · last 21 days+16shopify_lastmod: 2026-06-10 → 2026-06-13works_with: Eggflow Instant Traffic Instant … → Checkoutshopify_lastmod: 2026-06-13 → 2026-06-14shopify_lastmod: 2026-06-14 → 2026-06-16pricing_tiers: Free Plan (+2 more) → Free Plan (+1 more)primary_price_value: 19 → 9shopify_lastmod: 2026-06-16 → 2026-06-18shopify_lastmod: 2026-06-18 → 2026-06-21shopify_lastmod: 2026-06-21 → 2026-06-29shopify_lastmod: 2026-06-29 → 2026-06-30Jun 13, 26Jun 23, 26Jul 4, 26

Shopify Lastmod · Jul 1

2026-06-29 → 2026-06-30

Shopify Lastmod · Jun 30

2026-06-21 → 2026-06-29

Shopify Lastmod · Jun 22

2026-06-18 → 2026-06-21

PricingIdentity & listingCadence

Reviews

What merchants are saying

4.50(5 reviews)
  • 84%positive46
  • 11%neutral6
  • 5%negative3

Top themes

    What merchants praise

    je vais essayer avec cet app pour faire promouvoir mon entreprise, j'espere qu'il opportera du fruit
    Soft Skin Beauty · 5

    What merchants complain about

    Muito ruim, péssimo! Não instalem porque vai ser dor de cabeça na certa. Instalei e so tive problemas. Ficou horroroso no meu tema e estou tentando desinstalar e não consigo. mesmo desinstalado ele fica la nao sai de jeito nenhum. suporte nao funciona ja chamei varias vezes e ninguem responde. você precisa contratar um programador pra me livrar desse lixo de app. Nota (zero)
    Ita Charmosa · 1

    Plans

    Instant Buy ‑ Sticky Cart pricing tiers.

    Free Plan

    Free

    • 7 Day Free Trial
    • Smart Sticky Add to Cart button
    • Potential Revenue and clicks report
    • Customize button color and style
    • Show on any pages

    Premium Plan

    $9/month

    • 7 Day Free Trial
    • Facebook and Pinterest pixel tracking.
    • Show on all Shopify pages.
    • White label.

    Capabilities

    What Instant Buy can do.

    The 12 capabilities Instant Buy lists across its category, in Shopify’s own taxonomy. Pulled directly from the App Store listing.

    Cart display

    6
    • Custom styles
    • Custom HTML
    • Custom CSS
    • Discount fields
    • Mobile responsive
    • Sticky cart

    Upselling

    2
    • Buy more, save more
    • Shipping bar

    Checkout customization

    4
    • Automatic discounts
    • One-click upsell
    • Skip to checkout
    • Multi-language

    FAQ

    Instant Buy — frequently asked questions.

    What is Instant Buy on Shopify?
    Instant Buy, officially listed on the Shopify App Store as Instant Buy ‑ Sticky Cart, is a Shopify app in the Cart customization category. Instant Buy allows you to create a button to redirect store visitors to relevant pages like product pages, discount events, and back-in-stock announcements. Shoppers can easily and quickly add products to their cart instantly and be directed to the checkout page with one click checkout. Instant Buy allows you to add your Facebook Pixel ID and Pinterest Tag ID to the Add To Cart button. Statistics and counting the number of impressions and clicks on the Sticky Add To Cart button. It averages 4.50 out of 5 across 5 merchant reviews on the Shopify App Store.
    How much does Instant Buy cost?
    Instant Buy offers a free plan and a single paid plan at $9/month. The free plan includes 7 Day Free Trial, Smart Sticky Add to Cart button, Potential Revenue and clicks report, and Customize button color and style. The paid plan unlocks advanced features like additional integrations, automations, and deeper customization.
    Is Instant Buy free?
    Yes — Instant Buy offers a free plan alongside paid options. The free plan includes 7 Day Free Trial, Smart Sticky Add to Cart button, and Potential Revenue and clicks report. Paid plans start at $9/month for advanced features.
    When was Instant Buy launched?
    Instant Buy launched on March 26, 2018 — over 8 years on the Shopify App Store. In that time it has gathered 5 merchant reviews.
    Is Instant Buy Built for Shopify?
    Instant Buy does not currently carry Shopify's Built for Shopify badge. The badge is awarded to apps that meet Shopify's published standards for performance, ease of use, and merchant value — many high-quality apps operate without it.
    What are the best Instant Buy alternatives?
    Merchants commonly compare Instant Buy with Upsell.com, Essential Upsell & Cross Sell, EG Auto Add to Cart Free Gift, and Kaching CartDrawer Cart Upsell. Each alternative covers a similar use case but differs on pricing model, integration depth, and the specific themes merchants praise in reviews — see the alternatives section above for a side-by-side.

    Methodology

    Where the numbers come from.

    Ratings, review counts, pricing tiers, “Built for Shopify”, launch date, and category memberships come from the live Shopify App Store listing — refreshed daily by Ongoing.AI’s crawler. The review-count trajectory is the diff between today’s snapshot and snapshots from 7 and 28 days ago. Topic counts and sentiment come from the review corpus, topic-tagged with Claude. Install footprint is observed via Ongoing.AI’s tech-detection pass against actively-tracked Shopify storefronts. Catalog position is computed at snapshot time against every active app sharing the primary category. Snapshot generated .

    Find every brand running Instant Buy ‑ Sticky Cart.

    Ongoing.AI tracks every Shopify brand’s app stack daily. Pull the full install list, filter by vertical or geography, and catch the moment merchants install — or churn off.

    Prefer the source? View Instant Buy ‑ Sticky Cart on the Shopify App Store ↗