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 SubjectLine.com's partners and clients.
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| 熱門國家 | 系統支援 | 版本 | 費用 | APP評分 | 上架日期 | 更新日期 |
|---|---|---|---|---|---|---|
| 未知 | Android Google Play | 2.01 App下載 | 免費 | 1970-01-01 | 2015-03-09 | |
| 未知 | iOS App Store | 2.01 App下載 | 免費 | 2012-05-29 | 2015-06-04 |
