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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 2.01

· App now applies over 700+ unique rules
· Updated rules to reflect the latest marketing research trends
· Performance results based on 'Marketability' and 'Deliverability'
· Over 3 Million Subject Lines checked via tool
· New features include checks on Unicode Symbol Use Impact and Key Filter Triggers

iPhone Screenshot

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Customer Reviews

Great tool to get instant feedback on subject line

Helped me skip hours of back and forth, condensing production time dramatically.

Great tool

Helps me achieve my open rates.

Subject Line
View In iTunes
  • Free
  • Category: Business
  • Updated:
  • Version: 2.01
  • Size: 13.3 MB
  • Languages: English, Italian, Portuguese, Russian
  • Seller:

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

Customer Ratings

We have not received enough ratings to display an average for the current version of this application.
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