Boomerang
8.1#2 in sales email tracking softwareFrom $4.98 a monthFree planAndroidiOSWebAPI
VisitBoomerang vs ReadNotify
ReadNotify
8.0#6 in sales email tracking softwareFrom $24 a yearFree planAndroidiOSWebExtension
VisitWhat both publish
| Fact | Boomerang | ReadNotify |
|---|---|---|
| Documentation | The help center covers installation, billing, troubleshooting, security, privacy, recurring mail, tracking and scheduling workflows. | The official FAQ documents account management, sending methods, tracking modes, document tracking, limits and cancellation procedures. |
| Integrations | Team scheduling integrates with Zoom and Google Meet and supports multiple calendars. | The Gmail add-on works with Google Workspace, and the site also describes a Hotmail/Outlook OfficeJS app. |
| Licence | The official pages do not identify an open-source licence for the Gmail product. | The terms state that the service and underlying technology are proprietary and grant users only limited rights to use the service. |
| Rating on G2 | 4.6 out of 5 from 423 reviews | 4.3 out of 5 from 10 reviews |
Boomerang plans
- BasicFree
- Personal$4.98 a month
- Pro$14.98 a month
- Premium$49.98 a month
ReadNotify plans
- FreeFree
- Monthly Select$3.99 a month
- Monthly Select Subscription$3.99 a month
- Basic$24 a year
- 1-Year Basic Subscription$24 a year
- 1-Year Premium Subscription$36 a year
Pick Boomerang if…
Boomerang suits Gmail users who want to schedule messages, pause incoming mail, and manage follow-ups. Its team scheduling tools may suit organizations coordinating meetings across calendars.
Pick ReadNotify if…
ReadNotify may suit people who want email opening details, document activity reports, or timestamped proof of posting and opening. Its Gmail add-on is not suitable for email accessed through POP or IMAP.