Constant Contact vs Systeme.io
Constant Contact and Systeme.io are both popular choices in the all-in-one marketing platform space. Constant Contact has been around since 1995, giving it a 22-year head start over Systeme.io (founded 2017). Constant Contact is the more affordable option at $12/mo — that's $5 less than Systeme.io's $17/mo entry point. Systeme.io offers a free plan (2,000 contacts, unlimited emails, 3 funnels (15 steps), 1 blog, 1 course, 1 automation workflow, 1 custom domain), while Constant Contact does not. Constant Contact has the edge with A/B testing, SMS marketing, advanced analytics.
Quick Verdict
Constant Contact wins on price, deliverability.
Systeme.io wins on rating, integrations, free tier.
Best for most users: Constant Contact (small businesses).
Constant Contact
Small business marketing made easy
Constant Contact is one of the most established email marketing platforms, particularly strong for small businesses and nonprofits. Its event marketing capabilities and social media integration set it apart, though its automation features lag behind newer competitors.
Systeme.io
Budget-friendly all-in-one marketing platform for solopreneurs
Systeme.io is a bootstrapped French all-in-one marketing platform founded by Aurelien Amacker in 2017 that bundles email marketing, sales funnels, online courses, blogs, affiliate management, and payment processing starting at $0/month with 2,000 contacts and unlimited emails. With its $17/month Startup plan and $97/month Unlimited tier, it targets solopreneurs and creators who want to consolidate their entire marketing stack without paying for multiple subscriptions, though it trades design flexibility and advanced features for simplicity and affordability.
Feature Comparison
| Feature | Constant Contact | Systeme.io |
|---|---|---|
| Rating | 4.1/5 | 4.8/5 |
| Starting Price | $12/mo | $17/mo |
| Free Plan | No free plan | 2,000 contacts, unlimited emails, 3 funnels (15 steps), 1 blog, 1 course, 1 automation workflow, 1 custom domain |
| Founded | 1995 | 2017 |
| Email Templates | 300 | 50 |
| Integrations | 300 | 5,000 |
| Deliverability Rate | 97% | 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 | ✓ | ✕ |
Constant Contact: Pros & Cons
Pros
- +Longest 60-day free trial in the industry
- +Excellent event marketing features
- +300+ templates and integrations
- +Strong brand recognition and trust
- +Social media posting included
Cons
- −No free plan
- −Automation is basic on lower tiers
- −Gets expensive with larger lists
- −Interface feels outdated in places
- −Limited advanced features
Systeme.io: Pros & Cons
Pros
- +Exceptionally generous free plan with 2,000 contacts, unlimited emails, funnels, blog, course, and affiliate program management
- +All-in-one platform replaces 5-6 separate tools (email, funnels, courses, blog, affiliate management, payments) at a fraction of the cost
- +Startup plan reduced to just $17/month in May 2025 while competitors raised prices, offering outstanding value
- +60% lifetime recurring affiliate commission with second-tier payouts makes it one of the highest-paying affiliate programs in SaaS
- +Zero transaction fees on any plan with support for Stripe, PayPal, Razorpay, Flutterwave, Mercado Pago, and Paystack
Cons
- −Limited design customization -- pages and emails lack the visual polish of dedicated tools like Leadpages or Mailchimp
- −No A/B split testing for emails, limiting optimization capabilities for serious email marketers
- −Community feature has no dedicated mobile app, requiring browser-based access which feels outdated
- −Recurring technical issues reported by users including Stripe integration failures and payment messaging problems lasting multiple days
- −Course creation is functional but basic compared to specialized platforms like Teachable or Thinkific
The Verdict
Systeme.io edges ahead with a 4.8/5 rating compared to Constant Contact's 4.1/5. The gap comes mainly from value for money (4.9 vs 4) and deliverability (4.6 vs 3.9). On deliverability, Constant Contact reports 97% compared to 95% for Systeme.io — a meaningful difference if inbox placement is critical for your campaigns.
| Criterion | Weight | Constant Contact | Systeme.io |
|---|---|---|---|
| Starting Price | 30% | $12/mo | $17/mo |
| Deliverability | 25% | 97% | 95% |
| Rating | 25% | 4.1/5 | 4.8/5 |
| Integrations | 10% | 300 | 5000 |
| Free Tier | 10% | No | Yes |
Weights determine how much each criterion counts toward the final score. See full methodology
Choose Constant Contact if…
- + You want lower starting costs ($12/mo)
- + You need SMS marketing
- + You need A/B testing
- + You need advanced analytics
Choose Systeme.io if…
- + You need a free plan to get started
- + You're a solopreneurs
- + You're a course creators