ecomrestack

battles / Search

AddSearch vs Fast Simon

AddSearch ($149/mo/mo, vibe code 6/10) vs Fast Simon ($300/mo/mo, vibe code 6/10). AddSearch is the easier one to rebuild yourself — here is what you lose either way.

AddSearch
NICHE

Search

$149/mo/mo

Vibe code6/10
Moat1/10
MVP
1-2 weeks
Full replacement
3-6 months, due to crawler edge cases, relevancy tuning, and search UI components

easier to rebuild

get the build prompt →
Fast Simon
NICHE

Search

$300/mo/mo

Vibe code6/10
Moat4/10
MVP
1-2 weeks
Full replacement
9-18 months
get the build prompt →

price gap / year

$1,812/mo

running both / year

$5,388/mo

our call

Start with AddSearch — highest vibe code, weakest moat.

AddSearch

AddSearch is essentially a managed crawler and frontend search widget wrapped around a search index engine. By self-hosting Typesense or Meilisearch, you can replicate 90% of its functionality for a fraction of the cost.

you can rebuild

  • Instant typo-tolerant search and auto-complete dropdown
  • Automated sitemap crawling and page parsing
  • Search analytics and zero-result search tracking
  • Pinned search results and custom product boosting
  • Faceted search filtering by category, price, or tags

what you lose

  • Fully managed, zero-maintenance search infrastructure and CDN
  • Out-of-the-box non-technical dashboard for visual search result pinning
  • Automated PDF and binary document parsing pipeline
  • Turnkey multi-domain search aggregations
  • Pre-built CMS plugins for quick non-developer installations

real moats

  • Managed cloud infrastructure and global low-latency search distribution
  • Turnkey crawler pipeline that handles javascript rendering and PDF extraction
  • Visual merchandising drag-and-drop tool for non-technical teams

open source escape hatches

Fast Simon

Building a fast search bar with Typesense or Algolia takes hours, but Fast Simon is not just a search box. It is a visual merchandising suite with drag-and-drop product pinning, inventory-driven ranking, and edge caching for high-scale Shopify stores.

you can rebuild

  • Typo-tolerant product title and SKU search
  • Multi-facet collection filtering (price, color, size, vendor)
  • Basic instant search autocomplete dropdown widget
  • Synonym and antonym query mapping tables
  • Zero-result query tracking analytics

what you lose

  • Pre-built Liquid and Hydrogen theme components for Shopify storefronts.
  • Visual drag-and-drop grid interface for non-technical merchandisers to manually position products.
  • Out-of-the-box integrations with mobile app builders like Tapcart and review apps like Yotpo/Okendo.
  • Automatic out-of-stock product push-down logic and dynamic inventory-based ranking algorithms.
  • SLA-backed global edge infrastructure designed for Black Friday traffic loads.

real moats

  • Visual merchandising workflow adoption by merchant merchandising teams who refuse to write code or query rules.
  • Ultra-low latency edge infrastructure tuned for sub-50ms search-as-you-type responses globally.
  • Battle-tested catalog syncing engines that do not drop inventory states during mega-sale traffic spikes.

open source escape hatches

Questions people ask

Which is easier to rebuild with AI, AddSearch or Fast Simon?

AddSearch. It scores 6/10 on vibe code with a moat of 1/10, so an AI-assisted MVP takes about 1-2 weeks and a full replacement about 3-6 months, due to crawler edge cases, relevancy tuning, and search UI components.

Which one costs less, AddSearch or Fast Simon?

AddSearch at $149/mo/mo for a typical mid-market store. The gap between the two is about $1,812/mo a year.

What do I lose if I replace AddSearch?

Fully managed, zero-maintenance search infrastructure and CDN Out-of-the-box non-technical dashboard for visual search result pinning Automated PDF and binary document parsing pipeline

What do I lose if I replace Fast Simon?

Pre-built Liquid and Hydrogen theme components for Shopify storefronts. Visual drag-and-drop grid interface for non-technical merchandisers to manually position products. Out-of-the-box integrations with mobile app builders like Tapcart and review apps like Yotpo/Okendo.

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