True cost comparison — not just what the pricing page says
Quick Verdict
ConvertKit saves you 5%
Best for ConvertKit
Creator-focused email marketing platform (now branded as Kit). Free for 10,000 subscribers but limit
Best for Klaviyo
E-commerce email and SMS marketing platform. Free for 250 contacts, then contact-based pricing that
Creator-focused email marketing platform (now branded as Kit). Free for 10,000 s...
Advertised
$0
/month
True Cost
$109
/month (typical)
Subscriber-Based Pricing Scaling
Creator plan: 1K subs = $29/mo, 5K = $79/mo, 10K = $119/mo, 55K = $379/mo. Cost roughly doubles ever...
Free Plan Send Restriction
Free plan allows only 1 email broadcast per month to 10,000 subscribers. Daily or weekly newsletters...
No A/B Testing on Free or Creator
A/B testing subject lines requires Creator Pro ($59/mo minimum). Creator plan only supports basic br...
$25/mo annual
$50/mo annual
Affiliate link — we may earn a commission
E-commerce email and SMS marketing platform. Free for 250 contacts, then contact...
Advertised
$0
/month
True Cost
$205
/month (typical)
Steep Contact-Based Scaling
Free for 250 contacts. Then: 1K = $30/mo, 5K = $100/mo, 10K = $150/mo, 25K = $400/mo, 50K = $720/mo....
SMS Credits Charged Separately
SMS marketing requires separate credit purchases. US SMS: $0.01-$0.015/message. 10K SMS/mo = $100-15...
Email Send Limits Per Tier
Email sends are capped at 10x your contact limit on most plans. Exceeding requires upgrading to a hi...
ConvertKit advertises $0/mo. Klaviyo advertises $0/mo.
ConvertKit has 3 documented hidden fees. Klaviyo has 3.
ConvertKit confidence: 76%. Klaviyo confidence: 78%.
| Metric | ConvertKit | Klaviyo | Winner |
|---|---|---|---|
| Advertised Price | $0/mo | $0/mo | ConvertKit |
| True Monthly Cost | $109/mo | $205/mo | ConvertKit |
| Hidden Fee Total | +$109/mo | +$205/mo | ConvertKit |
| # Hidden Fees | 3 | 3 | ConvertKit |
| Confidence Score | 76% | 78% | Klaviyo |
| Pricing Tiers | 3 | 3 | — |
| Affiliate Program | 30% recurring for 24 months | None | — |
Try the tool that fits your needs. Both offer free trials or free tiers.
From $0/mo
✓ Saves 5% on true costAffiliate link — we may earn a commission
ConvertKit advertises $0/mo and Klaviyo advertises $0/mo. However, when you include hidden fees, ConvertKit has 3 documented hidden fees adding +$109/mo, while Klaviyo has 3 hidden fees adding +$205/mo. Based on true cost, ConvertKit is typically 5% cheaper.
ConvertKit has 3 documented hidden fees: Subscriber-Based Pricing Scaling, Free Plan Send Restriction, No A/B Testing on Free or Creator. These add approximately +$109/mo on top of the $0/mo advertised price.
Klaviyo has 3 documented hidden fees: Steep Contact-Based Scaling, SMS Credits Charged Separately, Email Send Limits Per Tier. These add approximately +$205/mo on top of the $0/mo advertised price.
Choose ConvertKit if: Creator-focused email marketing platform (now branded as Kit). Free for 10,000 subscribers but limit. Choose Klaviyo if: E-commerce email and SMS marketing platform. Free for 250 contacts, then contact-based pricing that . The right choice depends on your team size, usage volume, and which features you need most.
This comparison is based on manual research of official pricing pages, terms of service, and user reports. ConvertKit data has a 76% confidence score and Klaviyo has 78%. Prices were last verified in April 2026. For the most accurate estimate, enter your specific usage in our calculator.
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