Unverified60% confidenceFactTime unknown
The average open rate for SMS is as high as 98%, while the average open rate for email is only about 20%, and app push notifications are about 7%.
2
Sources
60%
Confidence
Long-term
Relevance
5/31/2026
First Seen
Sources
Related Entities
Related Claims
UnverifiedSMS and WeCom messages have a higher instant delivery rate than email, as emails may be filtered into spam or not trigger vibration when the phone is locked.67% similarUnverifiedReply rates for purely templated bulk emails are typically below 1%, while personalized emails can raise reply rates to 5%–15%.66% similarUnverified据行业统计，全球事务性邮件的平均送达率约为85-95%，意味着即使系统正常仍有5-15%的邮件可能无法到达用户65% similarUnverifiedCompared with SMS, Telegram messages cost almost nothing per message in most regions and support rich text, buttons, and file attachments; however, their limitation is that they depend on patients actively installing and authorizing Telegram, with limited coverage among people unfamiliar with the app, so in actual deployment they often need to run alongside SMS or email channels as a fallback.63% similarUnverifiedTransactional emails are triggered in real time by user actions and have high open rates and low complaint rates, while broadcast emails are bulk marketing content with relatively higher complaint rates.61% similar
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