Boomerang vs GMass
Boomerang
boomerangapp.com
GMass
gmass.coSide by side
| Figure | Boomerang | GMass |
|---|---|---|
| Price from | $4.98/mo | $1.67/mo |
| Free plan | Yes | — |
| Free trial | Yes | Yes |
| Open source | — | — |
| Web | Yes | Yes |
| iOS | Yes | — |
| Android | Yes | — |
| Plans published | 8 | 6 |
| Spec score · Email Scheduling Software | 9.4 (#2) | 8.1 (#11) |
| Integrations | Bookable Schedule supports multiple calendars and integrates with Zoom and Google Meet on the Gmail product page. | GMass lists a REST API, webhooks, Zapier, Google Sheets API, and SMTP relay as ways to connect with other apps and services. |
| Product | Boomerang offers email productivity and meeting scheduling tools in browser extensions and mobile apps. | GMass sends newsletters, announcements, cold email campaigns, and transactional email from inside Gmail. |
| Support | Premium includes priority support, and the enterprise offering lists a dedicated customer success manager, onboarding, customized training, and priority support. | GMass directs customers to read support guidelines and submit a support form to contact its support team. |
Plans
Boomerang
- BasicFree
- BasicFree
- Personal$4.98 a month
- Personal$4.98 a month
- Pro$14.98 a month
- Pro$14.98 a month
- Premium$49.98 a month
- Premium$49.98 a month
GMass
- Standard$20 a year
- Standard$29.95 a month
- Premium$39.95 a month
- Professional$59.95 a month
- Premium$349 a year
- Professional$599 a year
In their own words
Boomerang
Boomerang provides email productivity and meeting scheduling through browser extensions and mobile apps. Email tools include scheduled sending, follow-up reminders, inbox snoozing, read receipts, and Inbox Pause. Meeting Poll lets invitees vote on a time, while Bookable Schedule, Free/Busy sharing, and Suggest Times support other scheduling needs. Respondable uses artificial intelligence to offer real-time help writing more actionable emails and choosing an appropriate tone. Bookable Schedule supports multiple calendars; the Gmail product page lists Zoom and Google Meet integrations, while the Outlook page lists Microsoft Teams and Zoom. Boomerang is available through extensions and Android and iOS apps. The Basic plan is free and includes 10 message credits per month, counting messages scheduled with Boomerang features. Personal is listed for Gmail addresses; Basic, Pro, and Premium list Gmail and Google Workspace accounts. Personal costs $4.98 a month billed annually, Pro costs $14.98 a month billed annually, and Premium costs $49.98 a month billed annually. A 30-day trial is listed. Boomerang says it has SOC 2 certification for enterprise security and compliance.