Litmus
Litmus is an email marketing platform that allows you to build, test, and analyze high-performing email campaigns across dozens of popular email clients and devices to ensure perfect rendering.
OptinMonster
OptinMonster is a conversion optimization software that helps you grow your email list, increase sales, and reduce website abandonment through personalized popups and smart targeting rules.
Quick Comparison
| Feature | Litmus | OptinMonster |
|---|---|---|
| Website | litmus.io | optinmonster.com |
| Pricing Model | Subscription | Subscription |
| Starting Price | $99/month | $9/month |
| FREE Trial | ✓ 7 days free trial | ✘ No free trial |
| Free Plan | ✘ No free plan | ✘ No free plan |
| Product Demo | ✓ Request demo here | ✓ Request demo here |
| Deployment | ||
| Integrations | ||
| Target Users | ||
| Target Industries | ||
| Customer Count | 0 | 0 |
| Founded Year | 2005 | 2013 |
| Headquarters | Boston, USA | West Palm Beach, USA |
Overview
Litmus
Litmus is an all-in-one email optimization platform designed to help you create flawless email experiences for every subscriber. You can build emails from scratch using a specialized code editor, or use visual tools to quickly assemble templates that work across all major platforms. The core strength lies in its automated testing, which lets you preview how your messages look in over 100 email clients and devices before you hit send.
Beyond just testing, you can use the platform to manage your entire email workflow, from collaborative reviews and approvals to advanced post-send analytics. It helps you identify broken links, missing alt text, and slow loading times that might hurt your engagement. Whether you are a solo marketer or part of a large enterprise team, the platform ensures your brand remains consistent and professional in every inbox.
OptinMonster
OptinMonster helps you turn your website visitors into subscribers and customers without needing a developer. You can create professional-looking popups, floating bars, and slide-ins using a simple drag-and-drop builder. The platform focuses on showing the right message to the right person at the exact moment they are most likely to convert, helping you capture leads that would otherwise leave your site forever.
You can use advanced targeting features like Exit-Intent technology to trigger campaigns when a user is about to close their tab. It works with any website platform and integrates with all major email marketing services. Whether you run a small blog or a large e-commerce store, you can use these tools to recover abandoned carts, promote special offers, and build a loyal audience through data-driven onsite messaging.
Overview
Litmus Features
- Email Previews View your email exactly as it appears in 100+ email clients and devices to catch rendering issues instantly.
- Litmus Builder Write code and see live previews side-by-side, or use visual modules to build responsive emails faster.
- Spam Testing Scan your emails against major spam filters and blacklists to ensure your messages actually reach the inbox.
- Proof & Collaboration Share your email designs with stakeholders and collect centralized feedback directly on the preview to speed up approvals.
- Advanced Analytics Track how long subscribers spend reading your emails and which devices they use to better understand your audience.
- Link Monitoring Automatically verify that every link and image in your email works correctly so you never send a broken campaign.
OptinMonster Features
- Drag-and-Drop Builder. Create beautiful, high-converting opt-in forms from scratch or use pre-made templates without writing a single line of code.
- Exit-Intent Technology. Track user mouse behavior and show a targeted message the moment your visitors are about to leave your website.
- OnSite Retargeting. Show different offers to returning visitors based on their previous interactions to keep your messaging fresh and relevant.
- A/B Split Testing. Test different headlines, designs, and triggers to see what works best so you can eliminate guesswork from your strategy.
- Geolocation Targeting. Personalize your campaigns by showing specific offers based on where your visitors are located in the world.
- Smart Success Redirect. Send your new subscribers to specific thank-you pages or offer downloads immediately after they sign up for your list.
Pricing Comparison
Litmus Pricing
- 1 user seat
- 1,000 email previews per month
- Unlimited Readability testing
- Basic spam testing
- Litmus Builder access
- Email community support
- Everything in Basic, plus:
- Up to 5 user seats
- 2,000 email previews per month
- Advanced spam testing
- Editor integrations (Slack, Trello)
- Litmus Proof collaboration tool
OptinMonster Pricing
- Unlimited campaigns
- All campaign types
- List segmentation
- Subscriber recognition
- Basic reporting
- Up to 2,500 pageviews
- Everything in Basic, plus:
- A/B testing
- Content locking
- Advanced attention activation
- Inactivity sensor
- Up to 10,000 pageviews
Pros & Cons
Litmus
Pros
- Extensive device coverage for accurate email previews
- Intuitive code editor with real-time visual updates
- Streamlined feedback process for team approvals
- Reliable spam testing improves overall deliverability
- Detailed engagement analytics beyond standard open rates
Cons
- Starting price is high for small businesses
- Preview counts can be consumed quickly
- Steep learning curve for non-technical users
OptinMonster
Pros
- Extensive library of high-quality templates
- Highly granular targeting and trigger rules
- Easy integration with major email providers
- Reliable exit-intent technology improves conversions
- Intuitive drag-and-drop editor saves time
Cons
- No monthly billing option available
- Pageview limits can trigger forced upgrades
- Learning curve for advanced targeting logic