CallHub
8.2#1 in sms marketing softwareFree planFree planAndroidiOSWebAPI
VisitCallHub vs TmaxDialer Voice Broadcast
TmaxDialer Voice Broadcast
7.5#3 in voice broadcasting software$45 one-timeAndroidiOSWebAPI
VisitWhat both publish
| Fact | CallHub | TmaxDialer Voice Broadcast |
|---|---|---|
| API | The public API uses regional HTTPS endpoints under api-[region].callhub.io/v1/, JSON responses, and token authorization; it supports contacts, campaigns, and webhooks. | The page lists easy API integration as an included feature. |
| Documentation | CallHub publishes an API reference with endpoint groups for contacts, webhooks, call-center campaigns, peer-to-peer texting, numbers, schemas, and agent consoles. | The vendor knowledge base contains step-by-step articles for uploading messages, scheduling campaigns, viewing campaign configuration, and configuring dispositions. |
| Headquarters | Washington, DC, United States | 335 N Washington St. Suite 110B, Hutchinson, Kansas 67501, United States |
| Rating on G2 | 4.8 out of 5 from 35 reviews | 5.0 out of 5 from 3 reviews |
| Rating on GetApp | 4.4 out of 5 from 250 reviews | 5.0 out of 5 from 10 reviews |
| Rating on Trustpilot | 2.6 out of 5 from 4 reviews | 3.8 out of 5 from 2 reviews |
| Security | CallHub states it is SOC 2, GDPR, ISO 27001, and HIPAA compliant and uses AWS for cloud infrastructure. | T-Max’s confidentiality agreement says it uses strong authentication, firewalls, VPNs, encryption, and secure servers to protect information. |
CallHub plans
- EssentialFree
- ScalePriced on request
TmaxDialer Voice Broadcast plans
- 1,000 Message Credits$45, paid once
- 2,500 Message Credits$100, paid once
- 5,000 Message Credits$175, paid once
- 10,000 Message Credits$300, paid once
Pick CallHub if…
CallHub suits campaign teams and organizations coordinating calls, mass or peer-to-peer texts, and outreach workflows. Its listed contact and agent limits can help teams assess whether Essential fits their size.
Pick TmaxDialer Voice Broadcast if…
It suits businesses sending reminders, alerts, promotions, surveys, campaigns, follow-ups, school announcements, political campaigns, or emergency messages at scale. Teams needing web access, API integration, automated delivery, and reporting may find it relevant.