Side by side
IncidentRelay vs PagerTree
Both stand on on-call scheduling software. Which one you can start free with, which one lets you read the code, and what each costs once you pay.
Free plan APILinuxSelf-hosted+1
IncidentRelay combines alert routing, on-call schedules, escalation workflows, and event automation in a self-hosted package. Its documented deployment choices and integrations support teams that want control over where they run it.
Visit IncidentRelay Free plan AndroidAPIiPhone+2
PagerTree brings on-call scheduling, escalation policies and alert handling together, with several notification channels and SAML-based single sign-on. Teams should check country coverage and notification limits when considering SMS, voice or WhatsApp.
Visit PagerTreeThe facts
| IncidentRelay | PagerTree | |
|---|---|---|
| Free plan | Yes | Yes |
| Open source | Not published | No |
| Runs on | API, Linux, Self-hosted, Web | Android, API, iPhone, Mac, Web |
| Lowest paid plan | Free or on request | Pro: $15 per user a month |
| Plans published | 1 | 4 |
| Maker | Not published | Not published |
| Website | incidentrelay.io | pagertree.com |
| On on-call scheduling software | #3 of 25 | #7 of 25 |
IncidentRelay: what it does well
- Routes alerts using source, severity, and team ownership.
- Supports shifts, rotations, overrides, and escalation chains.
- Event rules include execution history.
- Offers CalDAV and ICS schedule exports.
- Free, open-source, and self-hosted.
What to know first
- Requires a self-hosted deployment.
- Production installations run separate web/API and scheduler processes.
PagerTree: what it does well
- Scheduler supports rotations and calendar sync.
- Escalations support unlimited layers.
- Alerts can be aggregated and deduplicated.
- Notifications include push, SMS, voice and Slack.
- Basic plan supports up to five users.
What to know first
- Pro costs $15 a month per user.
- SMS and voice coverage varies by country.
- Notifications can stop at 50% of subscription price unless auto-recharge is enabled.
- Basic data retention is three months.
Alternatives to IncidentRelay Alternatives to PagerTree The whole list