JuiceDefender is described as 'saves battery power (lots of it!) by controlling the device data connection and/or WiFi' and is an app in the System & Hardware category. There are more than 25 alternatives to JuiceDefender for a variety of platforms, including Android, Android Tablet, iPhone, iPad and Apple Watch. The best alternative is Greenify, which is free. Other great apps like JuiceDefender are GSam Battery Monitor (Freemium), BatteryBot Pro (Free, Open Source), Battery Doctor (Free) and Hibernator (Freemium).
Never should your phone or tablet become slower and battery hungrier after lots of apps installed. With Greenify, your device can run almost as smoothly and lastingly as it did the first day you had it!
Hunt down those battery draining Apps with the App Sucker • Always know your battery state and time left estimates with a optional status bar notification • Overlay the stock battery icon with the icon pack add-on.
Shows your battery charge level (percent) as an icon in your status bar, with temperature, health, voltage, and time since plugged / unplugged in the notification area. It also has user-configurable alarms, logs, and widgets.
Battery saving app with charge monitor and widget.
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Battery Doctor vs JuiceDefender opinions
pros, cons and recent comments
Juicedefender (back on Lollipop, no longer since marshmallow) accurately per app enabled disabled wifi as a preference and data as secondary when an app was launched. And disabled the connection when the app was closed or the phone was locked. For years this was true. It is the per app control that was the savings for me. I only need the network when I launch a network app.
Hibernator provides an easy way to hibernate all running apps and as a result it saves the battery power and improves performance, and it can also close apps automatically everytime the screen is turned off.
Toggle that prevents your phone from connecting to internet over 3G/EDGE/GPRS. This application modifies APN names and types by adding apndroid suffix to them (you can edit them anytime in your phones Settings).
Ever wondered why your smartphone screen doesnt turn off automatically when it should have, the screen wakes up all of a sudden or you find your phone battery drained even when you exited apps and turned off the screen? This might be due to wakelock holding apps.
Description *** Requires Root and the Xposed Framework *** Unsolicited quotes from real users: "It gave me about 2 hours more use with 30 minutes more screen on time. Saved me from buying a $25 battery."