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Author

Rohan Kannirwar

Rohan Kannirwar is the founder of SpikeROAS, a USA performance marketing agency. IIT Roorkee B.Tech. He runs Google Ads, Meta, SEO, GEO, and clinic patient-acquisition programs scored to contribution, MER, POAS, and booked consults — not vanity ROAS.

Field notes

Shopify

Best cart drawer for Shopify

Foxr Cart Drawer is the free pick. Oxify Cart Drawer is the paid pick with checkout blocks and post-purchase. Here is the US order-volume math, and the review-count gap you should read before you install either one.

Nov 9, 2026 · 9 min read

Shopify

Best upsell app for Shopify

An upsell app is a slot, not a logo. Foxr covers the cart for free. Oxify covers bundles at $1 and the full drawer, checkout, and post-purchase stack from $9.99. Here is which slot a US store should fill first.

Nov 9, 2026 · 10 min read

Shopify

Best shoppable videos app for Shopify

Foxr is the free shoppable video app with in-player add to cart and revenue per video. Whatmore is the one that auto-syncs Instagram. Videowise publishes to the Shop app and TikTok Shop. The meter, not the widget, decides the bill.

Nov 9, 2026 · 9 min read

Shopify

Best post-purchase upsell app for Shopify

The post-purchase page sits after payment and before thank-you, and Shopify lets one app own it. Oxify includes it from $9.99. AfterSell is the specialist with 1,121 reviews. Wallets such as Shop Pay never see the page.

Nov 9, 2026 · 9 min read

Shopify

Best checkout upsell apps for a Shopify Plus store

Offers inside the checkout steps are a Shopify Plus feature. Oxify lists checkout upsell blocks on every plan from $9.99. AfterSell and UpsellPlus are the specialists. A non-Plus store should use the cart and the post-purchase page instead.

Nov 9, 2026 · 9 min read

Shopify

Best FBT apps for Shopify

Frequently bought together, a quantity break, and a build-your-own box are three different offers. Oxify Quantity Breaks covers the set. Foxr Bundle Builder covers the box for free. The discount has to be a real Shopify discount.

Nov 9, 2026 · 9 min read

Shopify

Best Shopify apps you should install

The best Shopify apps are a short stack: one cart or bundle app, reviews, email, and Shopify Flow. Foxr and Oxify cover the order-value job. A list of fifty apps is how a US store gets a slow theme.

Nov 9, 2026 · 10 min read

AI & Search

How to get cited by ChatGPT: a 2026 GEO playbook

Most GEO advice recommends things Google has publicly said do nothing. Here is what the documentation says, what the research measured, and where the published numbers disagree.

Aug 5, 2026 · 14 min read

Paid Search

How to scale Google Ads without losing ROAS (2026)

Most accounts break at the same three points when budget goes up — and one of them changed nine days ago. The ladder, the readiness gate, and the diagnostic table.

Jul 28, 2026 · 14 min read

Measurement

ROAS vs POAS: why a 4x account can still lose money

A 4x account that loses money is not a bug. It is what happens when you optimize revenue instead of margin. The math, the break-even table, and the tROAS trap that wipes out accounts.

Jul 14, 2026 · 14 min read

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