CallHub vs OpenFn
CallHub
callhub.ioOpenFn
openfn.orgSide by side
| Figure | CallHub | OpenFn |
|---|---|---|
| Price from | $0.05/mo | $49/mo |
| Free plan | Yes | Yes |
| Free trial | Yes | — |
| Open source | — | — |
| Web | Yes | Yes |
| Windows | Yes | — |
| macOS | Yes | — |
| iOS | Yes | — |
| Android | Yes | — |
| API | Yes | Yes |
| Self-hosted | — | Yes |
| Plans published | 3 | 5 |
| Spec score · Nonprofit Text Messaging Software | 9.4 (#1) | 8.6 (#4) |
| Founded | The company’s story says Augustus Franklin created the original chat tool in 2011. | 2014 |
| Free plan | No | Yes |
| Integrations | Direct integrations include NGP VAN, NationBuilder, Action Network, PDI, Salesforce, EveryAction, CiviCRM, Blackbaud, Blue State Digital, and Freshsales. | OpenFn says it offers 70+ open source adaptors for web APIs, databases, SFTP servers, and raw file exports. |
| Security | CallHub states it is SOC 2, GDPR, ISO 27001, and HIPAA compliant and uses AWS for cloud infrastructure. | OpenFn says its hosted service runs on Google Cloud Platform and uses TLS connections, SSL database connections, and 256-bit encryption at rest. |
| Support | Essential includes live chat support; Scale offers priority support and an optional assigned Customer Success Manager. | OpenFn offers community support, email support on paid plans, dedicated support on Scale, and optional expert assistance and training. |
| What it does | CallHub combines calling, texting, email, relational organizing, list building, analytics, and campaign automation for political, nonprofit, advocacy, union, and business outreach. | OpenFn is an open source integration platform for safely exchanging data between critical systems and automating public service workflows. |
Plans
OpenFn
- FreeFree
- Core$49 a month
- Growth$199 a month
- Scale$499 a month
- EnterprisePriced on request
In their own words
CallHub
CallHub provides campaign and digital organizing tools for calling, broadcasts, texting, relational organizing, and workflow automation. Its channels include call center software, text and voice broadcasts, text-to-join, email outreach, and workflows. Phone banking offers predictive, power, auto, and preview dialers, along with branching scripts, inbound and patch-through calls, and AI-powered Smart Insights. Peer-to-peer texting can send initial messages automatically and includes trackable shortened links, profanity filtering, surveys, and data integration. Listed integrations include NationBuilder, Blackbaud, NGP VAN, Action Network, CiviCRM, Salesforce, Freshsales, Zapier, and OSDI; the API supports custom two-way data flows with another app. CallHub has Android and iOS apps, plus a web product compatible with Windows and Mac. Essential is listed at $0.05 a month at standard rates, with free credits to get started, and limits of 10,000 contacts and 10 agents. Scale lists unlimited contacts and agents, but no price is given.
OpenFn
OpenFn is an open-source integration platform for exchanging data between critical systems and automating public service workflows. Workflows can be built by point and click or with AI assistance, then refined, tested, and deployed visually. The platform includes a smart IDE, CLI, documentation, and community support, as well as more than 70 open-source adaptors for web APIs, databases, SFTP servers, and raw file exports. Examples include DHIS2, CommCare, KoboToolbox, HL7 FHIR, PostgreSQL, and Google Sheets. Activity history supports monitoring, troubleshooting, retrying failures, and auditing configuration changes. OpenFn runs as hosted SaaS or on customer servers, cloud, or local infrastructure. The company says its hosted service runs on Google Cloud Platform and uses TLS connections, SSL database connections, and 256-bit encryption at rest. OpenFn says it supports GDPR, HIPAA, and FHIR compliance. It was founded in 2014. The free plan is free, billed annually at $0, and permits one workflow, 100 runs monthly, one user, and a 60-second run limit. Core costs $49 a month, billed annually at $588.