battles / Search
Fast Simon vs Luigi's Box
Fast Simon ($300/mo/mo, vibe code 6/10) vs Luigi's Box ($250/mo/mo, vibe code 8/10). Luigi's Box is the easier one to rebuild yourself — here is what you lose either way.
Search
$300/mo/mo
- MVP
- 1-2 weeks
- Full replacement
- 9-18 months
Search
$250/mo/mo
- MVP
- 1-2 weeks
- Full replacement
- 3-6 months
easier to rebuild
get the build prompt →price gap / year
$600/mo
running both / year
$6,600/mo
our call
Start with Luigi's Box — highest vibe code, weakest moat.
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
- Typesense GPL-3.0
- Meilisearch MIT
- OpenSearch Apache-2.0
Luigi's Box
Luigi's Box is a traditional site search and recommendations overlay built on standard indexing patterns. Modern vector search and fast engines like Typesense or Meilisearch reduce this entire SaaS product to a basic database wrapper and UI snippet.
you can rebuild
- Instant search autocomplete and overlay UI components.
- Typo-tolerant product query parsing and SKU/product code search.
- Synonyms detection and basic search phrase redirects.
- Dynamic facet and filter generation per product category.
- Basic merchandising rules (pin-to-position, product boosting, query hiding).
what you lose
- Hands-on onboarding and dedicated integration support managers for enterprise clients.
- Out-of-the-box pre-built native apps for niche, non-standard e-commerce platforms.
- Turnkey conversational shopping assistant widget integration.
- Managed multi-tenant search cluster ops and SLA guarantees.
real moats
- Historical clickstream performance data optimizing conversion-based re-ranking per merchant niche.
- Out-of-the-box integrations and manual setup support for legacy European e-commerce platforms.
open source escape hatches
- Typesense GPL-3.0
- Meilisearch MIT
- OpenSearch Apache-2.0
Questions people ask
Which is easier to rebuild with AI, Fast Simon or Luigi's Box?
Luigi's Box. It scores 8/10 on vibe code with a moat of 3/10, so an AI-assisted MVP takes about 1-2 weeks and a full replacement about 3-6 months.
Which one costs less, Fast Simon or Luigi's Box?
Luigi's Box at $250/mo/mo for a typical mid-market store. The gap between the two is about $600/mo a year.
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.
What do I lose if I replace Luigi's Box?
Hands-on onboarding and dedicated integration support managers for enterprise clients. Out-of-the-box pre-built native apps for niche, non-standard e-commerce platforms. Turnkey conversational shopping assistant widget integration.
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