Instantly vs Mailshake
Choosing between Instantly and Mailshake? Both are popular tools for cold email, but they take different approaches. Instantly focuses on high-volume cold emailers and agencies who need unlimited sending accounts, while Mailshake is designed for small sales teams who want a simple, all-in-one outreach tool. Mailshake is more affordable at $29/mo vs $30/mo. Below, we compare them feature by feature to help you decide which is the better fit for your outreach stack.
Last updated: February 2026Instantly
High-volume cold email platform with unlimited accounts and built-in warmup network.
Mailshake
Simple cold email and sales engagement tool with phone dialer and LinkedIn automation.
Feature-by-Feature Comparison
| Feature | Instantly | Mailshake |
|---|---|---|
| Starting Price | $30/mo | $29/mo |
| Free Plan | ||
| Free Trial | 14 days | No |
| G2 Rating | 4.8 | 4.7 |
| Best For | High-volume cold emailers and agencies who need unlimited sending accounts | Small sales teams who want a simple, all-in-one outreach tool |
| Year Founded | 2021 | 2017 |
| Features | ||
| Unlimited email accounts | ||
| Email warmup network | ||
| Unibox for reply management | ||
| A/B testing | ||
| Campaign analytics | ||
| Lead database add-on | ||
| API access | ||
| Account rotation | ||
| Email sequences | ||
| Automated follow-ups | ||
| Lead catcher | ||
| Phone dialer | ||
| LinkedIn automation | ||
| Email list cleaning | ||
| Calendar integration | ||
| Pros | ||
| Key Advantages |
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| Cons | ||
| Limitations |
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Our Verdict: Instantly vs Mailshake
Instantly and Mailshake both have their strengths, but the best choice depends on your specific outreach needs.
Choose Instantly if you prioritize unlimited email accounts on all plans. It starts at $30/mo with a 4.8/5 G2 rating and works best for high-volume cold emailers and agencies who need unlimited sending accounts.
Choose Mailshake if you need very easy to set up and use. It starts at $29/mo with a 4.7/5 G2 rating and is designed for small sales teams who want a simple, all-in-one outreach tool.
If neither is the right fit, we recommend FoxReach — it combines cold email automation, built-in warmup, AI replies, and deliverability monitoring in one platform, starting from a free plan.