List of Best

Callr

Voice and SMS API with AI analysis and CRM integration

Callr is an API for embedding voice and SMS communication into products. It captures data from conversations, analyzes them with AI, and integrates with CRM tools.

Free tier

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Position history

Daily snapshot
Now#1,308 / 9,169AI Tools
Best#1,308Sep 9, 2026
Days in top 200of 3 tracked
Kept by00 likes · in 0 lists
Sep 9 · #1,308best #1,308Sep 11 · #1,308

Position of Callr among AI Tools on List of Best, recorded once a day. Lower is better.

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Feature
Callr
Soniva
PricingFreemiumFree
Free tierYesYes
APINoYes
Open sourceNoYes
PlatformsMobile AppMobile App
ModelsCallrSoniva
Context window8k128k
Launched20252023

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Tags: Speech-to-text / Tts

Specs

PricingFreemium
Free tierYes
APINo
Open sourceNo
PlatformsMobile App
ModelsCallr
Context window8k
Launched2025