OutPumperThe comparison
OutPumper, side by side.
No spin and no asterisks. Here is what you get and what you pay, against the tools most people consider.
| What you care about | OutPumper | Instantly | Smartlead | Woodpecker |
|---|---|---|---|---|
| Monthly cost | From 49 a month, or 497 once | 30 to 97 a month | 39 to 159 a month | 49 to 99 a month |
| Sends from | Your Outlook, your domain | Their servers | Their servers | External SMTP |
| Warmup needed | No, send day one | 2 to 3 weeks | 2 to 3 weeks | 2 to 3 weeks |
| Your data stays private | Yes, never leaves your tenant | On their servers | On their servers | On their servers |
| Extra domains needed | Zero | 30 to 50 typical | 30 to 50 typical | Recommended |
| Send from your real domain | Always | No | No | No |
| Works inside Outlook | Native add-in | Separate web app | Separate web app | Separate web app |
| Smart throttling | Built in, automatic | Manual | Basic | Basic |
| Email variation | Full rewrite engine | Basic spin | Basic spin | No |
| Shared mailbox rotation | Automatic, free | No | No | No |
| Automatic safety stop | Built-in kill switch | No | No | No |
| One-time purchase option | 497 forever | No | No | No |
| Connect external providers | SendGrid, Mailgun, SES, any SMTP | No | No | Limited |
| Built-in email verification | Free, unlimited | Third party required | Third party required | Third party required |
| Learns from bounces | Auto-blacklists everywhere | No | No | Manual cleanup |
vs Instantly
Instantly has you buy and warm dozens of throwaway domains, then pay for a warmup tool on top, and your mail still comes from servers no one recognizes. OutPumper sends from your real domain and your real Outlook on day one, with no extra layer to buy or manage.
vs Smartlead
Smartlead still cannot send from your actual domain, and your contact data sits on its infrastructure. If a shared IP gets burned, your campaigns feel it. OutPumper keeps the sending, the data, and the reputation in your own tenant.
vs Woodpecker
Woodpecker is solid, but it still needs external SMTP, DNS configuration, and sends from servers that are not yours. OutPumper removes that entire layer. No SMTP setup, no new SPF records, just Outlook doing what it already does.
Keep your domain. Keep your data. Keep your reputation.
Your Outlook already does the hard part. Try OutPumper free for seven days.