What’s the best standalone email warmup tool?

we've used https://www.warmupinbox.com/ in Locale...haven't faced any major issues

It’s a bit costly though

Any reason you are looking for a standalone tool? We use Instantly or Smartlead's warm up functionality, Works well.

Not used a standalone one, used smartlead's warm up feature, works great.

We are planning to start the sequence in Jan so thought stand alone solutions will be cheaper but actually it’s opposite

Check out SalesHandy, it might work.

In that case, you can start warming it up with Smartlead or Instantly in December. Normally 2-3 weeks works. You can also start small with 5-10 emails per day when you start actual reachouts, and then ramp it up every week. That will help save your domain a little more. Also, please look into ESP matching.

Thanks everyone for your inputs. Evaluating Salesgear and Instantly.

instantly is a lot more versatile and all encompassing