Smler vs Vooks Public Catalog API

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

Smler compared with Vooks Public Catalog API
Detail	Smler	Vooks Public Catalog API
What it does	Deep linking and install attribution platform for mobile app teams	API for accessing Vooks' catalog of animated read-along storybooks and subscription pricing
Stage	Not given	Not given
Founded	Not given	Not given
Based in	IN	Not given
Pricing model	Freemium	Free
Pricing	Free plan: $0/month with 25,000 attributed installs monthly. Builder: $19/month with 50,000 attributed installs. Team: $49/month with 100,000 attributed installs. Scale: $129/month with 500,000 attributed installs. Enterprise: from $299/month with custom limits. Annual billing available with 2 month	Free with rate limit of 600 requests per minute. Optional OAuth 2.0 token available to increase rate limit to 3,000 requests per minute.
Key features	Deferred Deep Linking Universal Links & App Links Install & Campaign Attribution Links That Never Expire Custom Domains & Branding Developer-First API Real-time Attribution Dashboard QR Code Generation 99.9% Uptime SLA	Search and filter library by age, topic, language, audio and sort criteria Fetch individual titles with long descriptions Access published subscription plans and trial terms Batch operations for up to 20 reads in one round trip Asynchronous catalog export with OAuth 2.0 authentication RFC 9457 structured error responses Typed client library for npm and vooks CLI Agent plugin support via MCP Registry OpenAPI 3.1 documentation and API catalog RFC 9727
What makes it different	No per-install metering - flat pricing plans instead of per-install or per-MAU charges Links never expire on any plan Deferred deep linking included on free tier Drop-in Firebase Dynamic Links replacement with equivalent features	No authentication required for catalog reads; no API key, form or quota needed Comprehensive filtering options for children's content by age, topic, language and more Semantic versioning guarantees 180 days minimum support after deprecation of prior versions
Community votes	0	0
DR (Domain Rating by Ahrefs)	45 +1 (up) since last check	63 no change since last check
Trust Flow (Majestic)	3	20
Citation Flow (Majestic)	24	29
Referring domains (Majestic)	11	722

5 details filled in for both companies.

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