Signed in for 30 days with no signal.
After one sign-in with signal, people stay signed in for 30 days with no signal at all. Training, forms and inspections keep working the whole time.
Compare. Sources checked November 10, 2026
Both work offline, both run training, and both have AI that draws on your own documents. PortalBase also signs people in with no company email, connects your own AI tools and builds your OSHA logs from your incident reports. HSI doesn't state those on its site.
Every line about HSI comes from its own pages, with the source number beside it.
PortalBase
YesTraining, forms and inspections work with no signal on native iOS and Android apps, and sync when the phone is back in range.
HSI
YesSays workers can complete audits and log hazards and incidents offline, and tasks sync once reconnected.[2]
PortalBase
YesA code by text, an employee ID and PIN, or a QR badge on a shared device. Company single sign-on for the office.
PortalBase
YesTraining, forms, inspections, safety records, corrective actions and communications share one list of people and one record.
HSI
YesSays one platform connects EHS, compliance, risk and training, with audits, inspections, incidents, corrective actions and certifications.[1]
PortalBase
YesCourses from your PDFs, slide decks and SCORM packages, with quizzes, sign-offs and certifications that alert before they lapse.
PortalBase
YesPortalBase AI answers from your documents and records, with the source shown, and drafts forms, trainings and workflows for a person to publish.
HSI
YesSays its Sky assistant draws on customer-provided policies and procedures and the company's own records.[4]
PortalBase
YesPortalBase is listed in Claude's connector directory and ChatGPT's app directory. Microsoft 365 Copilot connects too. Each connection acts only as the person who signed in.
HSI
Not stated on their sitePortalBase
YesBuilt from your incident reports, as PDFs, with the CSV for OSHA's ITA. You review and file.
HSI
Not stated on their sitePortalBase
YesWe send a demo built for your company, with your kind of work in it, before you decide.
HSI
Not stated on their siteA dash means the pages we read don’t say, not that HSI can’t. An X appears only where HSI’s own page says so. Checked November 10, 2026.
After one sign-in with signal, people stay signed in for 30 days with no signal at all. Training, forms and inspections keep working the whole time.
Work saves on the phone the moment it's done, and sends itself when signal is back. Nobody has to press sync.
Teams do their training, inspections and forms in one app, with one sign-in and one record for each person.
Plenty of frontline people have no company email. They sign in with a code by text, an employee ID and PIN, or a QR badge on a shared tablet, and the record is still theirs.
Connect Claude, ChatGPT or Copilot. PortalBase is listed in Claude's and ChatGPT's directories, and each connection sees only what that person can.
The 300, 300A and 301 come from your incident reports as PDFs, with the CSV for OSHA's ITA. You review and file.
We send a demo built for your company before you decide, so you judge it on your own forms and your own people.

Everything we say about another company comes from its own pages, read on the day shown. “Not stated on their site” means just that. See something wrong or out of date? Tell us at hello@portalbaseai.com and we’ll fix it.
Tell us your sites and the checks you run. We'll send a demo built for your company and show it on a phone with no signal.