Open-source alternative
for Loops
Same modern features, but open-source and self-hostable. No contact limits, no proprietary lock-in, no hidden costs. Built for transparency.
Transparent Pricing vs Vendor Lock-In
Pay per email, not per contact
Pay per email sent
Pay-as-you-go pricing with unlimited contacts. No monthly commitments or contact-based limits.
Unlimited contacts at no extra cost All features included on all plans Open-source and self-hostable
Subscription tiers by contacts
Monthly subscription based on contact count with tier-based limits and feature restrictions.
- Contact-based pricing limits
- Feature limits on lower tiers
- Proprietary, cloud-only platform
Why Choose Plunk Over Loops
Open-source transparency meets modern SaaS features
Open Source & Transparent
AGPL-3.0 licensed. Inspect the code, contribute features, understand exactly how your emails are sent. No black boxes.
Self-Hostable
Run on your infrastructure with Docker. Full data control, compliance-ready, cost-optimized for scale. Loops is cloud-only.
Unlimited Contacts
No contact-based limits. Grow your audience without worrying about tier upgrades or surprise charges. Pay for emails, not contacts.
Predictable Pricing
Pay-as-you-go per email. No surprise costs as you grow. No forced tier upgrades. No sales calls. Just simple, transparent pricing.
Full API Access
Complete API access on all plans. No feature restrictions, no "contact sales" for API access. Everything documented and ready to use.
All Features Included
Transactional emails, campaigns, workflows, segmentation. All included. No artificial feature gating based on your plan.
Feature comparison
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