Joos

Joos

Power in your pocket

27 ratings
94 reviews
Free

Details

  • Released
  • Updated
  • August 24, 2020
  • October 8, 2026

Features

Background Location Access

Joos screenshot #1 for iPhone
Joos screenshot #2 for iPhone
Joos screenshot #3 for iPhone
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About

Never worry about a dead phone again. This app helps you find nearby charging stations to power up your device on the go. Simply scan a QR code, charge, and return the device at your convenience.

✓Find nearby charging stations
✓Scan QR code to rent
✓Charge on the move
✓Flexible return options
✓Discover promotions
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What users say

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+1

What's New in Joos

2.6.1

October 8, 2026

The minimum system requirement has been changed to iOS 15.0.

User reviews

Pure theft

Do not be fooled into this scam . Buy a charger & use the plug sockets available everywhere a cleaner has access . Corridors , they are everywhere . This power bank deliberalty takes hours to charge your phone ( it’s NOT a Power Bank if it doesn’t transfer its full charge to a mobile in minutes ) . £9 it took from my bank for going over 30 mins absolute theft TRICKING people that don’t realise . I am deleting this robbing app & sharing the scam far & wide . Absolutely disgusted .
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Not impressed

Not impressed, just keeps charging you even when unplugged until you find a return location

Terrible worst charging - rip off prices

£2 for 30 minutes only to realise that your phone charging is actually dropping instead of your phone getting charged. Worst ever powerbank I’ve seen in my life, never using them again ever strongly not recommended to use it

High cost slow charging

Only for extreme emergencies it saves your phone. But charging only 25% in one hour is too slow

Too slow to be reasonable

The batteries we have tried have charged the devices too slowly to be reasonable. We tried to use it on an iPad and the charge is so slow that the iPad turns on automatically when it first starts to get power but, as soon as the screen comes on, powers off again as there isn’t sufficient charge for just that quick moment of the screen first lighting up.

Since the business model is paying in 30-minute increments, it’s advantageous for them to charge slowly, but this is so slow as to be not functionally useful and not worth the use.
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User experience

🐞

Reported Bugs

14 issues

Charger lead faulty

Bug

Return didn't work properly

Bug

First battery did not charge

Bug

Power bank did not charge phone

Bug

Machine took money but didn't work

Bug

Chargers not working

Bug

Charged as if not returned

Bug

Power bank ran out of charge quickly

Bug

Power bank didn't charge phone

Bug

No charge in the power bank

Bug

Charger cable needs to be pushed

Bug

App requires internet and battery to sign up

Bug

Map not accurate for station locations

Bug

Charging ports everywhere now

Bug
✨

Requested Features

7 requests

Improve charging speed

Feature

Offer better value for money

Feature

Provide an exchange option for faulty cables

Feature

Make pricing clearer in the app

Feature

Support fast charging

Feature

Make charging stations more available

Feature

Invest in better quality power banks

Feature

FAQ

What does Joos do?

Joos provides a solution for your phone running out of battery while you are on the move. It allows you to find nearby charging stations, rent a portable charger, and return it at a convenient time and place.

How do I use Joos to charge my phone?

To use Joos, you first find your nearest charging station through the app. Then, you scan the QR code on the station to rent a portable charger. You can then charge your phone on the go and return the charger at a time and place that suits you.

Is Joos free to use?

The app itself is free to download and use for finding stations and managing rentals. The service involves renting portable chargers, which will incur a cost, likely managed through in-app purchases or a rental fee.

What are the benefits of using Joos?

The primary benefit is never having to worry about your phone dying while you are out. The service offers convenience with flexible return options and the ability to charge on the move. You can also discover promotions and added extras through the app.