Push notifications are cheaper, but SMS reaches pretty much every type of handset. Push messaging requires Internet, but text messages are more static.
It can be quite difficult for businesses to choose between push notifications and SMS as one of the communication channels. Push notifications as well as SMS both have advantages and disadvantages. Push and SMS are individually very characteristic. Businesses too tend to have different desires if it comes to reaching out to clients and customers.
Business critical messaging
Banks and other financial corporations mainly use SMS to communicate business critical messages to their customers. SMS provides them fast and guaranteed delivery as they not frequently send out large batches of bulk SMS, which are delivered slightly slower if you compare it to large batches of push messages. In this particular case, the financial sector benefits from guaranteed delivery that SMS offers.
What drives engagement?
For non-business critical communications like mobile marketing campaigns, push notifications could be an outcome. A large batch of push messages costs a lot less than thousands of SMS messages and if one or two do not pop up on the designated handset, the world would no go missing. To put it different: for less critical messages, push notifications are a fast and cost-effective solution, which further more drives engagement to the app and the brand itself.
The above requires some explanation on why that is. Reliability depends on numerous factors, which are not all just based on techniques. Uber for instance explains on its support website push notifications are more reliable than text messages and offer a more superior experience. Regarding that last statement: they could not be more right. For their first statement they completely rely on the various push notifications platform that might queue messages if devices are out of reach. Apple’s platform for instance tends to push the last queued messages to devices, which have been offline for a while.
Apple Push Notification Service
The Apple Push Notification Service (APNS) doesn't guarantee delivery of push notifications and queues messages in a way that if a device is offline or unavailable, the user's device might not receive all push notifications. Another thorny issue is that there is no way to know if a user's device received a notification or when: the APNS is unfortunately uni-directional. An SMS sent will always be delivered or your SMS provider can inform you if a message failed. CM offers its customers up-to-date information on traffic through the SMS logging what displays which messages were delivered correctly.
Though app push notifications are more advantageous and more engaging than SMS, business critical communications are (for now) better of with SMS. SMS fits in a premium service. Jeremy Delrue, CM’s Country Manager for France: “If an end user pays a monthly fee for using an app and its service, he or she expects to be notified on the right time on the right device. Push notifications should be terminated on the right handset, which obviously is part of the service level agreement of the premium service. The guarantee with which text messages can be delivered on handsets makes SMS a more effective channel than push notifications. We work closely with app developers who have a contractual engagement with their customers. Hybrid Messaging appears to be the best solution to deliver messages in time”, says Jeremy Delrue.
Still confused? We’ve put all the advantages and disadvantages clearly in line.
Advantages push notifications:
- Low costs
- Encryption possible
- Retry within 72 hours
- Works without cell coverage (but with WiFi)
Disadvantages push notifications:
- No delivery guarantee
- No delivery reports
- Needs Internet
- Delivery reports
- High delivery rate
- No Internet needed
- High open rate
- Safe sending to telephone numbers.
- Needs cell coverage
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