
NotificationX
Nudgify
ProveSource
ProofGain
The Trustmaker
SocialProve
Sprofy
Optinjar helps online business increase their leads and sales by showing real-time social proof.Visitors will see notifications on the page when other people sign up or purchase.You can get subscribers and email addresses w Optinjar in a short time!

Exam.net
StudySpaces is a white-label tutoring and test prep platform with built-in SAT, ACT, etc. curriculum, auto-graded mock exams, and a branded student portal.
Which is more popular?
Website, pricing, platforms and company facts side by side.
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| Website | optinjar.com | studyspaces.com |
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What each product offers, as listed by its team.


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Optinjar Fomo and Popup System
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How often each product is chosen within a category, 0–100% relative to the other.


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Nudgify is a Social Proof App that includes FOMO, Urgency and Review Nudges. Adding Social Proof notifications to your site helps you build trust and increase conversions on Shopify, Wordpress or any other platform.
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ProveSource is a social proof marketing platform that streams recent customer behaviors on your website to build trust and increase conversions.
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Supercharge your conversions with a simple social proof tool
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Social proof & better conversions rates in just 5 clicks. Easily leverage your Intercom or Custom user data to increase your trials, sales or leads by 10%
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