Callr vs D7 Networks
Callr
callr.comD7 Networks
d7networks.comSide by side
| Figure | Callr | D7 Networks |
|---|---|---|
| Price from | €599/mo | Free |
| Free plan | — | Yes |
| Free trial | Yes | Yes |
| Open source | — | — |
| Web | Yes | Yes |
| iOS | Yes | — |
| Android | Yes | — |
| API | Yes | Yes |
| Plans published | 2 | 10 |
| Spec score · Voice APIs | 9.0 (#1) | 8.9 (#2) |
| Spec score · Transactional SMS Software | 9.1 (#3) | 8.9 (#6) |
| Company size | LinkedIn lists Callr as having 11–50 employees. | Built In lists D7 Networks at 25 total employees and two offices. |
| Founded | 2011 | D7 Networks says it was founded in 2014 by Jijin Emanuel John and Sumesh Tomas Kurian. |
| Headquarters | Paris and New York | Independent company profiles place headquarters in Dubai Silicon Oasis, United Arab Emirates. |
| Integrations | Callr lists native connectors for Salesforce, HubSpot, Google Analytics, and Google Ads, plus a REST API and webhooks. | The maker lists integrations including Make, monday.com, Zapier, Zoho, Microsoft Power Automate, ActiveCampaign, Nagios, Datadog, Celigo, WooCommerce and OpenCart. |
| Rating on Software Advice | 4.6 out of 5 from 11 ratings. | No rating: 0 reviews listed. |
| Security | Callr states that HTTPS, SIP TLS and SRTP encryption are included across plans. | D7 states that it is ISO/IEC 27001:2022 certified and that critical data is encrypted at rest and in transit. |
| SMS | The platform supports inbound and outbound SMS, custom sender IDs, short codes, long numbers, delivery reports and GSM or Unicode text. | The SMS API supports single or bulk messages in any language and can reach mobile networks worldwide. |
| Support | Callr describes 24/7 support as part of its service and lists premium customer support for Enterprise. | D7 advertises 24/7 support through web chat, Skype and WhatsApp. |
| What it does | Callr provides programmable voice, SMS, call tracking, conversation intelligence and AI voice agents on its own carrier network. | D7 Networks provides global business messaging services covering SMS, WhatsApp, Viber, number lookup and two-factor verification. |
Plans
D7 Networks
- Number LookupFree
- SMS API & Broadcast — Local$0.01, paid once
- Verify API — Local$0.01, paid once
- Verify API — Local SMS$0.01, paid once
- Verify API — WhatsApp$0.01, paid once
- WhatsApp Business API$0.01, paid once
- SMS API & Broadcast — International$0.02, paid once
- Verify API — International$0.02, paid once
- Verify API — International SMS$0.02, paid once
- ViberPriced on request
In their own words
D7 Networks
D7 Networks provides messaging and verification services through web access and APIs, including SMS, WhatsApp, Viber, number lookup, and two-factor verification. Its SMS API supports single or bulk messages in any language and can reach mobile networks worldwide. A no-code WhatsApp chatbot builder supports customer service automation, appointment management, feedback collection, and lead qualification. Chatbot tools include ChatGPT integration, interactive buttons and flows, a shared inbox, templates, and analytics. The Number Lookup API checks whether a number is valid and reachable, and returns country code and carrier information; new users receive 10 test credits with unlimited validity. REST API features include batch processing, scheduling, status webhooks, higher throughput, and request validation. SDKs are listed for Python, Ruby, Node.js, PHP, and Go. D7 states it is ISO/IEC 27001:2022 certified and encrypts critical data at rest and in transit. API authentication uses OAuth 2.0 bearer tokens, with TLS and SSL support. The company was founded in 2014 and is headquartered in Dubai.