Apollo.io vs Instantly.ai
Apollo.io and Instantly.ai are both popular choices in the cold email outreach tool space. Apollo.io has been around since 2015, giving it a 6-year head start over Instantly.ai (founded 2021). Instantly.ai is the more affordable option at $47/mo — that's $12 less per month than Apollo.io's $59/mo entry point. Apollo.io offers a free plan (Unlimited email credits (fair use ~250/day), 5 mobile credits, 10 export credits/month), while Instantly.ai does not. Both tools work well for sdrs and startups.
Quick Verdict
Apollo.io wins on integrations, free tier.
Instantly.ai wins on price, rating.
Best for most users: Instantly.ai (cold email agencies).
Apollo.io
Sales intelligence platform with 210M+ contacts and built-in outreach
Apollo.io is the leading sales intelligence platform with a 210M+ contact database, built-in email sequences, dialer, and meeting scheduler. It earned #1 rankings across multiple G2 categories in Winter 2026, making it the most popular tool for B2B sales teams that need prospecting, outreach, and analytics in one platform. Free plan available with unlimited email credits.
Instantly.ai
Cold email at scale with unlimited accounts and AI-powered warmup
Instantly.ai is a cold email platform built for volume, offering unlimited email accounts, AI-powered warmup, and inbox rotation to maximize deliverability at scale. With a 4.8/5 G2 rating from 4,000+ reviews, it's become one of the most popular tools for agencies and SDRs running high-volume outbound campaigns. Separate products for Outreach, Leads, and CRM start at $47/month each.
Feature Comparison
| Feature | Apollo.io | Instantly.ai |
|---|---|---|
| Rating | 4.7/5 | 4.8/5 |
| Starting Price | $59/mo | $47/mo |
| Free Plan | Unlimited email credits (fair use ~250/day), 5 mobile credits, 10 export credits/month | No free plan |
| Founded | 2015 | 2021 |
| Email Templates | 50 | 30 |
| Integrations | 60 | 20 |
| Deliverability Rate | 95% | 95% |
| Marketing Automation | ✓ | ✓ |
| A/B Testing | ✓ | ✓ |
| Landing Pages | ✕ | ✕ |
| Segmentation | ✓ | ✓ |
| Drag & Drop Editor | ✕ | ✕ |
| SMS Marketing | ✕ | ✕ |
| Ecommerce Features | ✕ | ✕ |
| API Access | ✓ | ✓ |
| Multi-Language | ✕ | ✕ |
| Web Push Notifications | ✕ | ✕ |
| Live Chat | ✓ | ✓ |
| Advanced Analytics | ✓ | ✓ |
Apollo.io: Pros & Cons
Pros
- +Massive 210M+ contact database with powerful filtering including job title, company size, tech stack, and buying intent signals
- +Generous free plan with unlimited email credits makes it accessible for solo founders and early-stage startups
- +Earned #1 rankings and 624 badges in G2's Winter 2026 report across multiple sales intelligence categories
- +Built-in email sequences, dialer, and meeting scheduler eliminate need for separate outreach tools
- +LinkedIn Chrome extension provides instant access to contact data while browsing profiles
Cons
- −Data accuracy estimated at only 65% overall, with phone numbers often being generic corporate lines rather than direct dials
- −Email bounce rates of 15-25% reported by users, higher than dedicated email verification services
- −Credit system for phone numbers and exports adds significant hidden costs beyond the per-seat subscription price
- −Organization plan requires minimum 3 users at $149/each, making the top tier expensive for small teams
- −Customer support frequently criticized as slow and unresponsive, especially for non-enterprise accounts
Instantly.ai: Pros & Cons
Pros
- +Unlimited email accounts with built-in inbox rotation maximizes deliverability across multiple sending addresses
- +AI-powered email warmup automatically builds sender reputation before campaigns launch
- +Extremely high user satisfaction with 91% 5-star ratings on G2 from 4,000+ reviews
- +Quick setup and intuitive interface gets campaigns running within minutes, not hours
- +Separate Outreach, Leads, and CRM products let users pay only for what they need
Cons
- −Separate pricing for Outreach, Leads, and CRM means total cost adds up quickly for full functionality
- −Credits system has been criticized for confusing changes and billing glitches with incorrect deductions
- −Domains purchased through Instantly's Done-For-You service are reportedly retained by Instantly, limiting portability
- −No multichannel sequences — email only, no LinkedIn or calling integration
- −Limited integrations ecosystem compared to more established platforms like Lemlist or Apollo
The Verdict
Apollo.io and Instantly.ai are closely matched — both score within 0.1 points of each other in our overall rating. Your decision should come down to specific needs rather than overall quality.
| Criterion | Weight | Apollo.io | Instantly.ai |
|---|---|---|---|
| Starting Price | 30% | $59/mo | $47/mo |
| Deliverability | 25% | 95% | 95% |
| Rating | 25% | 4.7/5 | 4.8/5 |
| Integrations | 10% | 60 | 20 |
| Free Tier | 10% | Yes | No |
Weights determine how much each criterion counts toward the final score. See full methodology
Choose Apollo.io if…
- + You need a free plan to get started
- + You're a sales teams
- + You're a b2b lead generation
Choose Instantly.ai if…
- + You want lower starting costs ($47/mo)
- + You're a cold email agencies
- + You're a b2b outbound