Boomerang vs Instantly
Boomerang
boomeranggmail.com
Instantly
instantly.aiSide by side
| Figure | Boomerang | Instantly |
|---|---|---|
| Price from | $4.98/mo | $47/mo |
| Free plan | Yes | — |
| Free trial | Yes | Yes |
| Open source | — | — |
| Web | Yes | Yes |
| Windows | Yes | — |
| macOS | Yes | — |
| iOS | Yes | Yes |
| Android | Yes | Yes |
| API | Yes | Yes |
| Plans published | 4 | 17 |
| Spec score · Email Tracking Software | 9.5 (#1) | 9.1 (#6) |
| Documentation | The help center covers installation, billing, troubleshooting, security, privacy, recurring mail, tracking and scheduling workflows. | The help center contains dedicated sections for accounts, DNS, warmup, campaigns, lead search, analytics, Unibox, CRM, deliverability, troubleshooting, and 36 integration articles. |
| Headquarters | Santa Clara, California, USA | Sheridan, Wyoming, United States |
| Integrations | Team scheduling integrates with Zoom and Google Meet and supports multiple calendars. | The marketplace lists integrations including Slack, HubSpot, Zapier, RB2B, BetterContact, Replit, Gojiberry, and Findymail. |
| Licence | The official pages do not identify an open-source licence for the Gmail product. | Instantly is proprietary software; its terms reserve all rights in the platform and prohibit copying, reverse engineering, sublicensing, and derivative works. |
| Rating on Capterra | 4.7 out of 5 from 183 reviews | 0.0 out of 5 from 0 user reviews. |
| Rating on G2 | 4.6 out of 5 from 423 reviews | 4.8 out of 5 from 4,159 reviews. |
| Rating on GetApp | 4.7 out of 5 from 183 reviews | 0 out of 5 from 0 user reviews. |
| Rating on Software Advice | 4.7 out of 5 from 183 reviews | No rating because the listing reports no reviews. |
| Security | Boomerang says its servers run in SAS-70 Type II and ISO 27001 certified data centers and that it completes annual SOC 2 Type II audits. | Instantly's privacy policy says its security measures may include firewalls, encryption, hashing or truncation, and access controls. |
| Support | Technical support is available by email at [email protected], and the Teams offering lists priority email support. | The Growth outreach plan includes chat support, while Scale lists premium live support. |
| What it does | Boomerang adds email scheduling, reminders, tracking and meeting scheduling to Gmail and Google Workspace. | Instantly combines cold-email automation, unlimited sending accounts and warmup, a B2B lead database, and AI sales features. |
Plans
Instantly
- Free trialFree
- Growth$47 a month
- Growth (Credits)$47 a month
- Growth Credits$47 a month
- Growth (Outreach)$47 a month
- Starter$94 a month
- Hypergrowth$97 a month
- Hypergrowth (Outreach)$97 a month
- Supersonic (Credits)$97 a month
- Hyper Credits$197 a month
In their own words
Boomerang
Boomerang helps users control email timing, follow-ups, and meeting scheduling. It can schedule message delivery, snooze messages, and remind users to follow up. Inbox Pause holds incoming messages until the user is ready and can be scheduled to activate automatically. Magic Live Calendar supports bookable schedules, suggested meeting times, free/busy sharing, and team scheduling. Team scheduling integrates with Zoom and Google Meet and supports multiple calendars. Respondable uses artificial intelligence to offer real-time guidance on email effectiveness and tone. Boomerang for Gmail is available as a browser extension for Chrome, Firefox, Safari, Edge, and Opera, with Android and iOS apps also listed. The Basic plan costs nothing and includes 10 message credits per month. Paid plans start at $4.98 a month billed annually, and a 30-day trial is listed. Boomerang says it stores message headers, not message bodies, to identify messages for sending or returning. Its Gmail product uses Google OAuth 2.0 and says it does not access passwords. Technical email support is available.
Instantly
Instantly combines cold email automation with a built-in B2B lead database for sales outreach. Its outreach tools support automated sequences, unlimited sending accounts, warmup on paid plans, mailbox rotation, reply detection, and multichannel outreach. SuperSearch provides access to a database of 450M+ B2B leads, with filters and email enrichment. Instantly Copilot can find leads, generate campaigns and sequences, summarize analytics, and run recurring tasks. The integration marketplace includes HubSpot, Slack, Zapier, RB2B, BetterContact, and Replit. Growth (Outreach) costs $47 a month, billed monthly, and includes unlimited email accounts and warmup, 1,000 uploaded contacts, and 5,000 emails monthly. Its 14-day trial requires no credit card and allows up to two connected email accounts, 250 uploaded leads, and 1,000 campaign emails. Platforms listed include Android, iOS, web, and API. Instantly names agencies, freelancers, enterprise customers, founders, and sales and marketing teams among its use cases.