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OptinMonster

OptinMonster Reviews in September 2026: User Ratings, Pros & Cons

Transform visitors into loyal customers with powerful pop-ups.

4.44

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OptinMonster Reviews & Ratings

4.44

Very Good

Based on 112 ratings & 113 reviews

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Rating Distribution

Excellent

(87)

Very Good

(9)

Good

(6)

Poor

(3)

Terrible

(8)

Spotsaas Editor’s POV

OptinMonster is a pop-up builder focused on email list growth and visitor conversion. Before shortlisting, verify that its template library matches your design needs—the platform offers 500+ templates but customization requires either drag-and-drop work or CSS knowledge for advanced changes. Check whether your email service provider (Mailchimp, ConvertKit, ...Read more

OptinMonster pros and cons

  • Highly targeted campaigns

  • Simple point-and-click interface

  • Variety of pop-up types

  • Integrates with multiple platforms

  • Can be overwhelming for beginners

  • Limited customization options

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Showing 101-110 out of 113

UI

User in Marketing and Advertising

01/15/18

5 out of 5

The most cost-effective solution for popups

What do you like best? Optinmonster is the best solution for the money. Setup popups very easily and get results instantly. What do you dislike? The reporting is somewhat unorganized, and the templates can become difficult to customize if you're not great with css or js. What problems are you solving with the product? What benefits have you realized? Launch popups and a/b testing on multiple pages easily.

UI

User in Management Consulting

01/05/18

2.5 out of 5

Good tool, but not very flexible for

What do you like best? This is a great tool to collect email addresses that doesn't really extend much beyond that. What do you dislike? It is practically impossible to disable the ability to collect email addresses. What problems are you solving with the product? What benefits have you realized? I am trying to increase conversion by collecting email addresses.

UI

User in Marketing and Advertising

12/29/17

5 out of 5

Best opt-in software on the market today

What do you like best? I like that they make it so easy to create email opt-ins. i can literally log into my OptinMonster account, select the templates I want, connect it to my email autoresponder/analytics and hit "publish" within five minutes. Their A/B split-testing features are also incredible - by testing over time, I've been able to massively improve my opt-in rate. What do you dislike? I don't really have any complaints, but I must say that their MonsterLinks feature is kind ...

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AI

Administrator in Mechanical or Industrial Engineering

10/23/17

3 out of 5

Easy to use and beautiful templates

What do you like best? The interface is very user friendly and you can create your first campaign in a matter of minutes! What do you dislike? The form fields have a limit to how they integrate with Marketo. What problems are you solving with the product? What benefits have you realized? Lead Generation. We are able to generate leads without having to lift a finger other than the set up of a campaign.

KB

Katie B

10/17/17

4 out of 5

Easy To Keep Communication Lines Open With Slack

What do you like best? Working Remotely, slack makes it super easy to communicate, stay connected and share ideas and documents with the rest of my team What do you dislike? Honestly...nothing. It suits my needs just fine. What problems are you solving with the product? What benefits have you realized? Communication

TW

Tiina W

08/09/17

5 out of 5

Best optin software

What do you like best? It's very easy to create optins and share between pages What do you dislike? nothing, I like all the features and will test more soon Recommendations to others considering the product: try it! What problems are you solving with the product? What benefits have you realized? get a lot of leads

BH

Brandon H

08/01/17

4.5 out of 5

Fantastic Way to Drive Leads

What do you like best? OptinMonster is an extremely powerful tool that is great for driving leads or increasing conversions. It is so versatile and offers many display tools to customize your user's experience. Also easily integrates into many popular CRM's. What do you dislike? Honestly haven't found anything particularly bad about this software. We had some trouble at first getting my campaigns to show up, but once we got that all figured out, it was easy. A more technical ...

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AI

Administrator in Internet

03/28/17

4 out of 5

Easy to Use, Good Lead Gen

What do you like best? The best thing about OIM is how easy it is to create split tests and see the results. There are a lot of options at a really good price and it's been driving a decent amount of leads for us. If only one person becomes a customer from this, it pays for itself. What do you dislike? There is no way to export data from the interface. The only reporting is in their UI. What problems are you solving with the product? What benefits have you realized? There ...

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KS

Kent S

02/14/17

4.5 out of 5

Effective Visitor Engagement

What do you like best? Great flexibility to create different types of optin pop-ups. What do you dislike? Monsterlinks can be a bit difficult to configure into a WordPress menu item. What problems are you solving with the product? What benefits have you realized? I use OptinMonster on client sites to engage site visitors. Often clients use Optins to sign visitors up to their newsletter or capture their name before they download an item.

AI

Administrator in Health, Wellness and Fitness

12/09/16

4 out of 5

Building Our Lists with OptinMonster

What do you like best? Easy User Experience in building optins. What do you dislike? Sometimes have a hard time getting them to display as I intend. Recommendations to others considering the product: Keep improving!! What problems are you solving with the product? What benefits have you realized? Building our lists. Grown over 20k in last 6 months.

Disclaimer: This research has been collated from a variety of authoritative sources. We welcome your feedback at [email protected].