Leave a Review Subject Line
CEO
Cool AppSmaartbuys
Nice app
It's a nice app.!!Mikeiel
Great tool to get instant feedback on subject line
Helped me skip hours of back and forth, condensing production time dramatically.Spiritandwine
Subject Line
Free
Details about Subject Line
- Released
- Updated
- iOS Version
- Age Rating
- Size
- Devices
- Languages
Features
Developer of Subject Line
- Versions
- Price History
- Description
- FAQ
Version History of Subject Line
3.9.1
January 25, 2021
· Over 10 Million Subject Lines checked via the SubjectLine.com tool · Updated rules to reflect the latest marketing research trends · Performance results based on 'Marketability' and 'Deliverability' · SubjectLine.com App now applies over 900+ unique rules
More3.56
March 14, 2017
· SubjectLine.com App now applies over 900+ unique rules · Updated rules to reflect the latest marketing research trends · Performance results based on 'Marketability' and 'Deliverability' · Over 4 Million Subject Lines checked via the SubjectLine.com tool · New features include advanced checks on forms of Urgency and Exclusivity. · SubjectLine.com is now an Ad Supported site - Included are an ESP and Data Hygiene Marketplace
More3.21
September 29, 2015
· SubjectLine.com App now applies over 800+ unique rules · Updated rules to reflect the latest marketing research trends · Performance results based on 'Marketability' and 'Deliverability' · Over 3.5 Million Subject Lines checked via SubjectLine.com tool · New features include advanced checks on forms of Urgency and Exclusivity.
More2.01
November 6, 2014
· SubjectLine.com 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 SubjectLine.com tool · New features include checks on Unicode Symbol Use Impact and Key Filter Triggers
More1.78
April 18, 2014
· SubjectLine.com App now applies over 700+ unique rules · Previous rules have been updated to reflect latest marketing research · Performance results based on 'Marketability' and 'Deliverability' · Over 2 Million Subject Lines checked via SubjectLine.com tool
More1.52
September 10, 2013
· SubjectLine.com 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
More1.21
February 13, 2013
This release features over 50+ new rules that can positively affect your subject line rating for the first time. The release also includes 30+ new deliverability and marketing issues that should be addressed before emailing.
More1.05
August 17, 2012
Just Updated! 50+ new rules that will rate your email subject line
1.03
May 29, 2012
Price History of Subject Line
Description of Subject Line
SubjectLine.com, the #1 ranked free email subject line grading tool, has exceeded 10 million subject lines tested. The free online marketing support tool includes over 900 unique rules that are applied throughout the subject line testing process. Marketers have the ability, for free, to test any subject line for possible deliverability and marketability issues that could impact overall campaign results.
Subject Line: FAQ
Does Subject Line have support for iPad devices?
No, Subject Line is not optimized for iPad devices.
Who is responsible for the creation of the Subject Line app?
The Subject Line app was built by Worldata InfoCenter, Inc..
What should be the minimum iOS version for Subject Line?
Your iOS device must have at least iOS 10.0 installed to use the app.
How do users rate Subject Line?
Users are raving about Subject Line, which has an exceptional rating of 4.7 out of 5.
What is the category of the Subject Line app?
Subject Line Relates To The Business App Genre.
What is the recent version of Subject Line?
3.9.1 is the newly released version of the Subject Line app.
When was the most recent Subject Line update released?
Subject Line updated its app on October 1, 2024.
When did the app first launch?
The release date of the app was February 5, 2023.
What is the recommended age for the Subject Line app?
This app is rated for ages 4 and up, and contains only family-friendly content.
What languages are available on Subject Line?
The following list of languages is supported by the Subject Line app: American English.
Is Subject Line featured among Apple Arcade's game offerings?
Sorry, Subject Line is not part of Apple Arcade.
Does Subject Line contain in-app purchases?
Sorry, there are no in-app purchases available in Subject Line.
Does Subject Line provide support for Apple Vision Pro?
No, Subject Line does not provide support for Apple Vision Pro.
Are there any advertisements in Subject Line?
Yes, there are advertisements in Subject Line.
Screenshots of Subject Line
