Instantly vs Mailshake: Which is Better in 2026?
Choosing between Instantly and Mailshake comes down to understanding what each tool does best. This comparison breaks down the key differences so you can make an informed decision based on your specific needs, not marketing claims.
Short on time? Here's the quick answer
We've tested both tools. Here's who should pick what:
Instantly
Scale cold email outreach with warm domains and performance analytics
Best for you if:
- • You need sales features specifically
- • Instantly is an email outreach platform for scaling cold email campaigns
- • It manages multiple inboxes, warms up domains, and automates follow-ups
Mailshake
Sales engagement for modern sales teams
Best for you if:
- • You need sales engagement features specifically
- • Mailshake is a multi-channel outreach platform for sales teams, combining email and LinkedIn automation with integrated analytics.
- • It emphasizes deliverability with built-in tools and AI-powered content creation to optimize cold outreach campaigns.
| At a Glance |  Instantly |  Mailshake |
|---|---|---|
Starts at | $37.6/moGrowth | $59/moEmail Outreach |
Best For | Sales | Sales Engagement |
Rating | 4.8/5 | 4.6/5 |
Choose Instantly or Mailshake?
Choose Instantly if
Scale cold email outreach with warm domains and performance analytics
- Good cold email tool
- Unlimited accounts
- Warmup included
- Your work is sales-shaped, not sales engagement-shaped
Choose Mailshake if
Sales engagement for modern sales teams
- Manages email and LinkedIn campaigns in one platform, eliminating the need to switch tools.
- Includes robust deliverability tools like email domain setup assistant, free email warm-up, list cleaning, and an in-app copy analyzer.
- Features SHAKEspeare AI writer for generating email content, offering inspiration or full automation.
- Your work is sales engagement-shaped, not sales-shaped
| Feature | Instantly | Mailshake |
|---|---|---|
| Pricing Model | Paid | Paid |
| User Rating | ★4.8/5 4,004 reviews | ★4.6/5 740 reviews |
| Categories | SalesEmail | Sales EngagementLead Generation |
In-Depth Analysis
Instantly
Scale cold email outreach with warm domains and performance analytics
Strengths
- +Good cold email tool
- +Unlimited accounts
- +Warmup included
- +Fair pricing
- +Good deliverability
Weaknesses
- -Learning curve
- -Can be overwhelming
- -Support varies
- -Email limits exist
- -Compliance concerns
Key features
Mailshake
Sales engagement for modern sales teams
Strengths
- +Manages email and LinkedIn campaigns in one platform, eliminating the need to switch tools.
- +Includes robust deliverability tools like email domain setup assistant, free email warm-up, list cleaning, and an in-app copy analyzer.
- +Features SHAKEspeare AI writer for generating email content, offering inspiration or full automation.
- +Provides detailed analytics on opens, replies, and clicks, with a Lead Drivers dashboard and Lead Catcher to identify engaged prospects.
- +Offers multi-channel outreach automation across phone, email, and social media, including LinkedIn automation and a power phone dialer.
Weaknesses
- -The Starter plan limits users to one email address per account and 1,500 email sends per month.
- -The Sales Engagement plan, which includes LinkedIn automation and phone features, is significantly more expensive than the email-only plans.
- -The Data Finder and Ready to Use Mailboxes features are add-ons that incur additional monthly costs.
Key features
Pricing: Instantly vs Mailshake
| Plan | Instantly | Mailshake |
|---|---|---|
| Tier 1 | $37.60 Growth | $59 Email Outreach |
| Tier 2 | $77.60 Hypergrowth | $99 Sales Engagement |
| Tier 3 | $286.30 Light Speed | N/A |
| Tier 4 | Custom Enterprise | N/A |
Pricing verified from each vendor's public pricing page. Compare in detail on Instantly pricing and Mailshake pricing.
Who Should Use What?
On a budget?
Both are paid. Compare plans on their websites.
Go with: Instantly
Want the highest-rated option?
Instantly: 4.8/5 (4,004 reviews). Mailshake: 4.6/5 (740 reviews).
Go with: Instantly
Value user reviews?
Instantly: 4,004 reviews (4.8/5). Mailshake: 740 reviews (4.6/5).
Go with: Instantly
3 Questions to Help You Decide
What's your budget?
Both are paid. Pricing won't help you decide here.
What's your use case?
Instantly is a sales tool. Mailshake is in sales engagement. Pick the category that matches your needs.
How important are ratings?
Instantly is rated higher: 4.8/5 vs 4.6/5.
Key Takeaways
Instantly
- Higher user rating: 4.8/5 vs 4.6/5
- Larger review base (4,004 reviews)
- Our pick for this comparison
Mailshake
- Better fit for sales engagement
The Bottom Line
Instantly is our pick.
Frequently Asked Questions
Is Instantly or Mailshake better?
Instantly is rated in our evaluation. Both are paid.
What are Instantly and Mailshake used for?
Instantly: Scale cold email outreach with warm domains and performance analytics. Mailshake: Sales engagement for modern sales teams.
What does Instantly cost vs Mailshake?
Instantly is a paid tool. Mailshake is a paid tool. Visit their websites for detailed pricing.