Starts at
Pay as you go
Free, independent software advice for Indian businesses
For software companies: reach Indian businesses ready to buy

by TCLR SAS · Paris, France · Since 2011
Voice API platform for inbound and outbound calls, SMS and AI across 220+ countries.
Callr is sms & otp platforms from TCLR SAS, based in Paris, France and has been building software since 2011. Voice API platform for inbound and outbound calls, SMS and AI across 220+ countries.
SMS platforms send promotional and transactional messages, OTPs and RCS rich messages through Indian telecom routes. DLT registration, template approval and delivery rates matter more than the interface.
Pricing is quoted per organisation, so ask the vendor for a proposal that matches your size. Beyond sms & otp platforms, Callr also covers ai tools.
What works well
What to watch out for
Best suited for: Small business · SMB · Mid-market
Analysing Callr — pricing, features, reviews and alternatives…
Generated by App Advisor's native engine from this listing's verified data — not a paid placement.
As listed on Callr's official website.
Testimonials published on Callr's own website, selected by the vendor. These are not independent reviews.
“Call tracking has grown our brand awareness and built real trust with our clients.” Source
“We’ve worked with Callr from the beginning and grown together. Their responsiveness and an API that keeps evolving make all the difference.” Source
“We prove ROI to our clients easily, without digging through data sources by hand.” Source
“Call tracking is greatly appreciated by our clients. It’s increased awareness of our brand and the trust that our clients have in our services.” Source
Entry price
Paid plans
Published subscription pricing, taxes extra
How Callr charges. Plans scale with users or features. Annual billing is usually 15–25% cheaper than monthly, and GST is added on top of listed prices in India.
Read from the vendor's official website. Prices change — confirm on callr.com.
Alternatives, the same vendor's other products and India-first picks.
Starts at
Pay as you go
Starts at
Rs 0.25 per SMS · 5,000-SMS pack for Rs 1,250 + 18% GST
Starts at
Business phone packs from ₹9,999 · SMS from ₹0.18
Starts at
Pay as you go
Starts at
Rs 0.165 / SMS · Bulk SMS at best volume slab, excl. 18% GST
Starts at
Free plan
Callr's login is at https://sso.callr.com/login, linked from its official website.
New accounts are created at https://sso.callr.com/sign-up on Callr's official site.
Callr publishes its plans at https://www.callr.com/pricing/. Check that page for current prices, as plans change.
Yes. Callr's official site offers a free trial.
Callr is sms & otp platforms by TCLR SAS. Voice API platform for inbound and outbound calls, SMS and AI across 220+ countries.
Callr is a paid product. Check TCLR SAS's official pricing page for current plans, or request a quote through App Advisor.
App Advisor's listing records a free trial for Callr. Confirm the current trial terms on TCLR SAS's official site.
No. Callr is developed by TCLR SAS in Paris, France.
Callr suits small business, smb, mid-market buyers looking for sms & otp platforms with ai tools.
Popular alternatives in sms & otp platforms include Gupshup, MSG91, Exotel. Use App Advisor's compare tool to see them side by side.
Callr is available as a cloud (SaaS) product, with web access.

TCLR SAS · Paris, France · Founded 2011 · 1 product in our catalogue
Schedule a demo