Side-by-side comparison · 24 data points
Instant Checkout adds Buy Now button on PDP. Fast Checkout, Boost Sales with bypass Cart page.
| Instant Checkout ‑ Buy button | Essential Upsell & Cross Sell | |
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| Description | ||
| Screenshots | images | images |
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| Last updated | — |
One click upsell and cross sell. Show frequently bought together product upsell & related products.
| Metric | Instant Checkout ‑ Buy button | Essential Upsell & Cross Sell |
|---|---|---|
| Rating | 4.7 ★ | ★ 5.0 ★ |
| Total reviews | 39 | ★ 2.2k |
| Free plan | Yes | Yes |
| Pricing | Free trial available | Free plan available |
| Built for Shopify | Yes | Yes |
| Pricing tiers | 1 tier | ★ 4 tiers |
| Listed features | 5 | 5 |
| Featured placements | — | 2 |
| Languages | 1 supported | 1 supported |
| Listed since | Nov 2018 | Jun 2024 |
Essential Upsell & Cross Sell edges out Instant Checkout ‑ Buy button on rating (5.0★ vs 4.7★), but the gap is small enough that pricing fit and feature differentiation should drive the decision more than the headline number. Pricing entry tiers: Instant Checkout ‑ Buy button at Free trial available, Essential Upsell & Cross Sell at Free plan available. Check each app's tier structure for the capacity limits you actually need before deciding — the headline number is the same shape, but the gating shape per tier (apps, orders, integrations) varies. Essential Upsell & Cross Sell has the larger user base (2,173 reviews vs 39), which usually maps to broader integration coverage, faster bug-fix cadence, and a deeper bench of community workflow patterns. Instant Checkout ‑ Buy button's smaller cohort can be an advantage for niche workflows where the bigger app has accumulated bloat. Recommended by store size: small/early-stage merchants who need fast install and low risk should default to Essential Upsell & Cross Sell; mid-market and enterprise merchants with specific feature requirements should evaluate both — Instant Checkout ‑ Buy button's 39-review base may include the workflow context that matches your specific use case better than Essential Upsell & Cross Sell's broader-but-shallower coverage. This verdict is generated from the live marketplace data on this page — rating, review count, pricing tier, and category position all refresh from the canonical Shopify App Store listing every 24 hours. AppRanks does not accept payment to influence comparison outcomes; the methodology is documented on the About page and applies identically to every pair on the site.
Read each app's audit: Instant Checkout ‑ Buy button audit • Essential Upsell & Cross Sell audit
| Keyword | Instant Checkout ‑ Buy button | Essential Upsell & Cross Sell |
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| product recommendation | Not ranked | #3 |
| product recommendations | Not ranked | #3 |
| product recommender | Not ranked | #6 |
| instagram agent | #119 | Not ranked |
| instagram chat | #164 | Not ranked |
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No tracked changes.
Both Instant Checkout ‑ Buy button and Essential Upsell & Cross Sell offer paid plans only. Instant Checkout ‑ Buy button starts at Free trial available; Essential Upsell & Cross Sell starts at Free plan available. Compare the per-tier features in the Pricing section above before committing.
Essential Upsell & Cross Sell has the higher average rating (5.0★ from 2,173 reviews) compared to Instant Checkout ‑ Buy button (4.7★ from 39 reviews). Both are tracked daily by AppRanks, so the figures here update each refresh cycle.
It depends on what you're optimizing for. Instant Checkout ‑ Buy button fits better if you prioritize broader integrations; Essential Upsell & Cross Sell is the call if you need the higher-rated option. Read both apps' detail pages on AppRanks for the full feature breakdown, install counts, and recent listing changes.
Both apps are one-click installs from the Shopify App Store marketplace. Essential Upsell & Cross Sell has more onboarding documentation maturity (2,173 reviews vs 39), which usually translates to better-tested setup wizards and quicker time-to-value. AppRanks doesn't measure setup time directly — read the recent reviews on each app's detail page for merchant-reported install experience.
Instant Checkout ‑ Buy button typically suits early-stage and growth-mode stores based on its review-base composition (39 reviews). Essential Upsell & Cross Sell aligns more with early-stage and growth-mode stores (2,173 reviews). Larger review bases generally mean the app has been load-tested at scale — relevant if you're processing high order volume or handling enterprise compliance requirements.
Migration support varies by app and category. Instant Checkout ‑ Buy button and Essential Upsell & Cross Sell both publish their export options on their marketplace listing pages (or in their support docs); some apps offer one-click import from competitors, others require CSV. The fastest check: search "import from Instant Checkout ‑ Buy button" in each app's help center. AppRanks does not track migration tooling directly — this is a category-specific capability worth verifying before commitment.
