Side by side
Quickly vs ReachInbox
Both stand on cold email software. Which one you can start free with, which one lets you read the code, and what each costs once you pay.
Free plan APISelf-hostedWeb
Choose Quickly if you want a free, MIT-licensed cold email platform that you can self-host and connect to Gmail, Microsoft 365, or SMTP relays. Its sequences, inbox rotation, reply classification, and automation interfaces suit teams building their own outreach setup. Look elsewhere if you need more than basic personalization or prefer not to manage hosting.
Visit Quickly
Free plan APIWeb
ReachInbox combines prospect discovery, email campaigns, warmup, and inbox tools. Check the plan limits and billing term against your outreach volume before choosing a tier.
Visit ReachInboxThe facts
| Quickly | ReachInbox | |
|---|---|---|
| Free plan | Yes | Yes |
| Open source | Not published | Not published |
| Runs on | API, Self-hosted, Web | API, Web |
| Lowest paid plan | Free or on request | Starter Plan: $30 a month |
| Plans published | 1 | 5 |
| Maker | Not published | Not published |
| Website | github.com | reachinbox.ai |
| On cold email software | #5 of 35 | #9 of 35 |
Quickly: what it does well
- MIT licensed for free use, modification, and self-hosting.
- Sequences allow unlimited follow-up steps and configurable wait days.
- Rotates Gmail and Microsoft 365 sends within daily inbox limits.
- Classifies replies through 19 providers, including offline Ollama.
- Provides campaign rates, per-step results, and timeline charts.
What to know first
- You pay for the server used to host it.
- The first deployment allows creation of an admin account; additional users need invitations.
- Personalization features are basic.
ReachInbox: what it does well
- Finds leads from prospect descriptions.
- Supports Gmail, Outlook, and IMAP/SMTP accounts.
- Onebox categorizes conversations automatically.
- Integrations can sync replies and update lead status.
- Free plan includes three email accounts.
What to know first
- Free-plan warmup lasts 14 days.
- Free plan lists 50 active leads per month.
- Free plan lists 250 emails per month.
- Starter costs $30/mo (annual).
Alternatives to Quickly Alternatives to ReachInbox The whole list