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Subject Line

By Worldata Infocenter, Inc.

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Subject line rating tool that allows marketers to test any subject line for possible deliverability issues and marketing-related suggestions that can improve overall open rates on emails sent. Results from this tool are based on 1 billion+ email messages that have been sent and tracked via's partners and clients.

What's New in Version 1.52

· App now applies over 600+ unique rules
· Previous rules have been updated to reflect latest marketing research
· All special characters now being analyzed by tool
· Mobile formats incorporated into scoring

iPhone Screenshots

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Customer Reviews

Great app for email marketing

I have used this app many times to help with my client's email needs. This app has been extremely helpful tool. Highly recommend it for any email marketer

Awesome app

Use this app all the time. It's a great tool to test the subject lines of my emails. It's very inciteful and extremely user friendly. You should try it for your next campaign!

Very useful

I found this useful in order to check the email's subject line before sending it. Nice to see what the recommendations come out to be.

Subject Line
View In iTunes
  • Free
  • Category: Business
  • Updated: Sep 10, 2013
  • Version: 1.52
  • Size: 13.0 MB
  • Languages: English, Italian, Russian
  • Seller: Worldata InfoCenter, Inc.

Compatibility: Requires iOS 4.3 or later. Compatible with iPhone, iPad, and iPod touch. This app is optimized for iPhone 5.

Customer Ratings

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