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DotWatt

In testing

See every watt.

Live charging power on a 24-dot ring. Know what your charger really gives, and what your battery really has.

14 days free · then one payment · no subscription

72%ON BATTERY
ON BATTERY
1.4W

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60 s agoFAST · SLOWING · TRICKLEnow
CURRENT—A—
VOLTAGE—V—
TEMPERATURE—°C—
LAST HOUR——
Not plugged inPick a charger, see its report›
What it does

The highlights.

01

Live. In watts.

Power in big dot digits, with current, voltage and temperature. If you like, right next to the clock.

02

Fifteen seconds. Every cable.

Test a cable or a charger and see how fast it really is. Save your chargers; the report ranks them.

03

Health you can read.

Capacity, cycle count and remaining life, measured from your own charges.

04

Alarms that care.

Stop at 80 %, full, low battery, too hot. Quiet hours from 23:00 to 07:00 by default.

05

A receipt for every charge.

Each charge gets its receipt, plus a 24-hour log, standby drain and weekly summaries.

06

On your home screen.

Widgets in 2×2, 4×2 and 4×4, and a quick-settings tile.

Everything it does

Every feature, explained.

Live charging

Watts you can see

Charging power in big dot digits on a 24-dot ring that fills to your battery level, with current, voltage and temperature beside it.

The last minute

Bars show the last 60 seconds, so you see the charge speed up, slow down and trickle.

One colour rule

Green, yellow or red for level, temperature and power, the same everywhere in the app.

Next to the clock

If you like, the live value sits in the status bar while you charge.

Cables and chargers

15-second test

Plug in and see how fast a cable or a charger really is, in fifteen seconds.

Charger report

Save your chargers; the report ranks them and tells you when one slows down.

Battery health

Capacity, cycles, life

Estimated capacity, cycle count and remaining life, measured on your phone from real charges.

Phone health

One score for battery, heat, charging habits and free storage.

Night charging

See how long the phone sat at 100 % overnight, and a better time to charge from when you get up.

Alarms

Before it wears down

Charge target (80 % by default), fully charged, low battery and high temperature. Pick the sound and whether it rings on silent.

Quiet hours

From 23:00 to 07:00 by default, so alarms never wake you.

Records

A receipt for every charge

Each charge gets a thermal-style receipt, plus a 24-hour battery log.

Drain, explained

Standby drain, sudden-drain alerts, and weekly and monthly summaries.

Everywhere you look

Widgets and a tile

Home-screen widgets in 2×2, 4×2 and 4×4 on Grey, Clear or Material, and a quick-settings tile.

Private by default

Your readings stay on your phone and are never sent to a server.

Beta

“App not found” or “can't pay”?

Apps in testing only show on Google Play for testers. Join once, then install and pay from Play like any app.