How much data does iPhone 4S’s Siri use per month?

“When we put Siri through its paces during our iPhone 4S review, we came away with a mixture of bemusement and optimism,” Jacqui Cheng reports for Ars Technica. “The service is still in beta and has its rough patches, but it’s pretty decent at performing Web searches and other basic phone tasks, such as setting up appointments, making reminders, and text dictation.”

“But one huge caveat to Siri is that it requires an active Internet connection in order to function,” Cheng reports. “Apple sends Siri voice data up to its own data centers for processing and the sends the results back down to your phone.”

“Because of this, we decided to find out how much data a typical Siri user might expect to use in an average month,” Cheng reports. “We carefully watched our data usage while performing 11 different queries through Siri, split between local phone tasks and tasks that required lookups from the Internet. We also performed four dictation tasks… In total, our 11 queries added up to 693.6KB, or an average of 63KB per query.”

Read more in the full article here.

MacDailyNews Take: It’s nice to see that even heavy Siri use tops out under 30 MB per month, but it would’t matter if it was 300 MB/mo. – we can’t live without Siri now.

[Thanks to MacDailyNews Reader “Edward Weber” for the heads up.]


  1. Obviously, Siri isn’t sending actual audio data. Apparently, it does speech recognition locally, then sends the resulting text (a very short blip) and receives similarly short answer.

  2. My dad uses siri all the time and I am amazed at what it can do. I could see myself using it in the car a lot. Send emails and create reminders. I’m always thinking of things I need to do while I am driving.

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