How much battery does Speedify Use?
Speedify battery drain is small: in the tests below, Speedify added about 1% battery use at most. Speedify carefully turns off cellular radios whenever possible in order to minimize your data (and consequently battery) usage.
Speedify’s battery tests stream video with and without Speedify running, to check that the difference in battery use between the two stays small.
If you are concerned about battery life, switching your Cellular connection to “Backup” can help. Doing so avoids the battery use of combining both connections for speed, while Speedify still moves you onto 4G/5G cellular if the Wi-Fi fails and still encrypts your traffic. That failover works only because the phone has two internet connections: on Wi-Fi alone, Speedify works as an encrypted VPN and cannot stop the Wi-Fi from dropping.
But there’s one more issue: when Speedify is connected, your phone’s Settings app will “blame” Speedify for all Wi-Fi and Cellular usage. Battery usage is literally moved from your apps and attributed to Speedify. You may see Speedify using as much as 20% or 40% of your battery, but this is not accurate: you need to watch the total effect on your battery life.
How Speedify Tested Battery Use
In the test, the devices were on an 80 Mbps Wi-Fi network. Using either the Xfinity On Demand app or YouTube, they streamed either 30 or 60 minutes of video. The Wi-Fi was fast enough to stream the videos to the devices at the desired resolution.
The networking software was set to one of three modes:
- Without Speedify: The device just used the Wi-Fi network
- Speedify, Cellular Secondary: Speedify was running with cellular set to Secondary (called Normal in the app version tested), so Speedify could use it if it thought the Wi-Fi was getting congested and slowing the video
- Speedify, Cellular Backup: Speedify was running, with the Cellular set to Backup, which means it could only be used if the Wi-Fi appeared to have failed
| Device | Test | Battery Usage Without Speedify | Battery Usage with Speedify, Cellular Secondary | Battery Usage with Speedify, Cellular Backup | Speedify Impact, Cellular Secondary | Speedify Impact, Cellular Backup |
| iPhone 7 Plus | Xfinity On Demand 30 min | 5% | 6% | 5% | -1% | 0% |
| Galaxy S4 | Youtube 60 min | 23% | 24% | 23% | -1% | 0% |
| iPhone 6 Plus | Youtube 60 min | 16% | 16% | 16% | 0% | 0% |
How Much Battery Speedify Uses: Test Results
As you can see, Speedify uses very little battery; when cellular is set to Secondary, it uses around 1% additional power in half an hour of continuous streaming. When the Cellular is set to Backup, it uses no measurable battery in an hour or less of testing.
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Speedify combines Wi-Fi, 4G/5G cellular, Ethernet, Starlink and satellite into one faster, more reliable internet connection. Free to try: 5 GB a month with a free account. No credit card required.
🚀 Speed
Faster uploads and downloads, because Speedify uses all your internet connections at once.
📶 Stability
If one internet connection drops, Speedify moves your traffic to the others in milliseconds.
🔒 Security
AES-256 encryption on every internet connection, on any network you join.
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