Side-by-side comparison · 24 data points
Offer one-click upsells after checkout to boost your AOV. Easy setup, seamless customization!
| Kaching Post Purchase Upsell | Instant Buy ‑ Sticky Cart | |
|---|---|---|
| Tagline | ||
| Description | ||
| Screenshots | images | images |
| Languages | ||
| Platforms | ||
| Developer | ||
| Listed | ||
| Last updated | — |
Create a Sticky Add To Cart button to make it easier to buy in your store, and support mobile.
| Metric | Kaching Post Purchase Upsell | Instant Buy ‑ Sticky Cart |
|---|---|---|
| Rating | ★ 5.0 ★ | 4.5 ★ |
| Total reviews | ★ 241 | 5 |
| Free plan | Yes | Yes |
| Pricing | Free plan available | Free plan available |
| Built for Shopify | ★ Yes | — |
| Pricing tiers | ★ 4 tiers | 3 tiers |
| Listed features | 3 | ★ 5 |
| Languages | 1 supported | 1 supported |
| Listed since | Feb 2024 | Mar 2018 |
Based on the data on this page, Kaching Post Purchase Upsell is the stronger choice for most Shopify App Store merchants — 5.0★ vs Instant Buy ‑ Sticky Cart's 4.5★ is a meaningful gap that usually reflects real product or support quality differences across the user base. Pricing entry tiers: Kaching Post Purchase Upsell at Free plan available, Instant Buy ‑ Sticky Cart 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. Kaching Post Purchase Upsell has the larger user base (241 reviews vs 5), which usually maps to broader integration coverage, faster bug-fix cadence, and a deeper bench of community workflow patterns. Instant Buy ‑ Sticky Cart'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 Kaching Post Purchase Upsell; mid-market and enterprise merchants with specific feature requirements should evaluate both — Instant Buy ‑ Sticky Cart's 5-review base may include the workflow context that matches your specific use case better than Kaching Post Purchase Upsell'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: Kaching Post Purchase Upsell audit • Instant Buy ‑ Sticky Cart audit
| Keyword | Kaching Post Purchase Upsell | Instant Buy ‑ Sticky Cart |
|---|---|---|
| instagram agent | Not ranked | #68 |
| instagram chat | Not ranked | #103 |
No tracked changes.
Both Kaching Post Purchase Upsell and Instant Buy ‑ Sticky Cart offer paid plans only. Kaching Post Purchase Upsell starts at Free plan available; Instant Buy ‑ Sticky Cart starts at Free plan available. Compare the per-tier features in the Pricing section above before committing.
Kaching Post Purchase Upsell has the higher average rating (5.0★ from 241 reviews) compared to Instant Buy ‑ Sticky Cart (4.5★ from 5 reviews). Both are tracked daily by AppRanks, so the figures here update each refresh cycle.
It depends on what you're optimizing for. Kaching Post Purchase Upsell fits better if you prioritize rating consistency; Instant Buy ‑ Sticky Cart is the call if you need the larger user base. 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. Kaching Post Purchase Upsell has more onboarding documentation maturity (241 reviews vs 5), 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.
Kaching Post Purchase Upsell typically suits early-stage and growth-mode stores based on its review-base composition (241 reviews). Instant Buy ‑ Sticky Cart aligns more with early-stage and growth-mode stores (5 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. Kaching Post Purchase Upsell and Instant Buy ‑ Sticky Cart 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 Buy ‑ Sticky Cart" in each app's help center. AppRanks does not track migration tooling directly — this is a category-specific capability worth verifying before commitment.