| Carty | Nitro | |
|---|---|---|
| Tagline | ||
| Description | ||
| Screenshots | images | images |
| Languages | ||
| Platforms | ||
| Developer | ||
| Listed | ||
| Last updated | — | — |
| Metric | Carty: Add To Cart Button | Nitro: Upsell & Cross‑Sell |
|---|---|---|
| Rating | 4.5 ★ | ★ 5.0 ★ |
| Total reviews | 34 | ★ 260 |
| Free plan | Yes | Yes |
| Pricing | Free trial available | Free to install |
| Built for Shopify | — | — |
| Pricing tiers | 2 tiers | 2 tiers |
| Listed features | 5 | 5 |
| Languages | 1 supported | 1 supported |
| Listed since | Dec 2021 | Nov 2023 |
Based on the data on this page, Nitro: Upsell & Cross‑Sell is the stronger choice for most Shopify App Store merchants — 5.0★ vs Carty: Add To Cart Button's 4.5★ is a meaningful gap that usually reflects real product or support quality differences across the user base.
Pricing entry tiers: Carty: Add To Cart Button at Free trial available, Nitro: Upsell & Cross‑Sell at Free to install. 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 (seats, usage volume, integrations) varies.
Nitro: Upsell & Cross‑Sell has the larger user base (260 reviews vs 34), which usually maps to broader integration coverage, faster bug-fix cadence, and a deeper bench of community workflow patterns. Carty: Add To Cart Button's smaller cohort can be an advantage for niche workflows where the bigger app has accumulated bloat.
Recommended by size: small/early-stage merchants who need fast install and low risk should default to Nitro: Upsell & Cross‑Sell; mid-market and enterprise merchants with specific feature requirements should evaluate both — Carty: Add To Cart Button's 34-review base may include the workflow context that matches your specific use case better than Nitro: 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: Carty: Add To Cart Button audit • Nitro: Upsell & Cross‑Sell audit
| Keyword | Carty | Nitro |
|---|---|---|
| scratch | Not ranked | #13 |
| add to cart | #16 | Not ranked |
| ai store builder | Not ranked | #24 |
| help center | Not ranked | #34 |
Both Carty: Add To Cart Button and Nitro: Upsell & Cross‑Sell offer paid plans only. Carty: Add To Cart Button starts at Free trial available; Nitro: Upsell & Cross‑Sell starts at Free to install. Compare the per-tier features in the Pricing section above before committing.
Nitro: Upsell & Cross‑Sell has the higher average rating (5.0★ from 260 reviews) compared to Carty: Add To Cart Button (4.5★ from 34 reviews). Both are tracked daily by AppRanks, so the figures here update each refresh cycle.
Nitro: Upsell & Cross‑Sell holds the higher average rating (5.0★ vs 4.5★). That is the one dimension AppRanks can separate them on here — read both apps' detail pages for the feature breakdown and recent listing changes.
Both apps are one-click installs from the Shopify App Store. Nitro: Upsell & Cross‑Sell has the deeper published review base (260 vs 34), which often — though not always — accompanies better-tested setup docs. AppRanks doesn't measure setup time directly: read the recent reviews on each app's detail page for user-reported install experience.
Carty: Add To Cart Button typically suits early-stage and growth-mode teams based on its published review base (34 reviews). Nitro: Upsell & Cross‑Sell typically suits early-stage and growth-mode teams based on its published review base (260 reviews). A larger review base generally means the app has been exercised at scale — relevant if you are processing high volume or handling enterprise compliance requirements.
Migration support varies by app and category. Carty: Add To Cart Button and Nitro: 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 Carty: Add To Cart Button" in each app's help center. AppRanks does not track migration tooling directly — this is a category-specific capability worth verifying before commitment.