Comparison

ChargedUp vs Joos

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

ChargedUp

This app provides on-demand portable power bank rentals across Europe. Find convenient rental stations in cafes, bars, and transit hubs to charge your device on the go. Rent, charge, and return easily at any station in the network.

Highlights
  • Find nearby stations with live availability
  • Rent portable power banks
  • Charge devices instantly
  • Return power banks to any station
  • Multiple device cables included
  • Fast, reliable charging on the go
Features
Read full description

ChargedUp - Your On-Demand Power Bank Network Discover the future of mobile charging. ChargedUp is Europe's leading portable power bank rental network, available at hundreds of locations across the continent. WHAT IS CHARGEDUP? Tired of your phone dying when you need it most? ChargedUp offers premium portable power banks available for instant rental at convenient stations located in cafes, bars, shops, transit hubs, and other popular venues. Rent one when you need it, return it anywhere when you're done. HOW DOES IT WORK? 1. Open the ChargedUp app to find your nearest station 2. Tap your card and rent a battery 3. Charge your device instantly with the included high-speed cables 4. Return the power bank to any station on our growing network PREMIUM FEATURES • Find nearby stations with live availability in real-time • Multiple device cables included with every rental • Fast, reliable charging on the go • Flexible rental periods tailored to your needs • Smart spending controls to manage your budget WHERE CAN I RENT? ChargedUp stations are strategically located at: • Coffee shops and cafes • Bars and restaurants • Retail stores and shopping centers • Transport hubs and stations • Hotels and hospitality venues • And many more locations We're constantly expanding our network and always looking for new partnership opportunities. SIMPLE PRICING • Transparent pay-as-you-go rates • Daily spending caps for peace of mind • No hidden fees or long-term contracts • Easy session returns through the app SUPPORT & FEEDBACK Questions? Contact us directly through the app or visit www.chargedup.green Download ChargedUp today and never worry about battery life again.

About

Joos

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.

Highlights
  • Find nearby charging stations
  • Scan QR code to rent
  • Charge on the move
  • Flexible return options
  • Discover promotions
Features
Read full description

Joos Power provides the ultimate solution to your phone running out of battery whilst you’re on the move. The service is simple; find your nearest station, scan the QR code, charge on the move, and return at a time and place convenient for you – all through our easy-to-use app. Download today and never worry about a dead phone ruining your day again & discover all sorts of promotions and added extras

Screenshots

ChargedUp4 screens
Joos3 screens

Verdict

The call

The clearest difference is update cadence: Joos at every 3 weeks against ChargedUp's every 2 months. Joos also leads on iOS requirement (13.0 vs 15.1). ChargedUp's advantage is ratings volume (121 vs 26). On price, rating, review sentiment and ads there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.6 for ChargedUp against 4.5 for Joos. Both are backed by a comparable volume of ratings — 121 and 26 respectively. Written reviews are what separate them: 46% of ChargedUp's written reviews are positive against 53% of Joos's.

UpkeepUpdate frequency

ChargedUp ships an update every 2 months, Joos every 3 weeks. The most recent releases landed on September 19, 2026 and September 23, 2026 respectively.

Scorecard3 real differences · 7 level
ChargedUp versus Joos: the parameters behind the verdict, then further details
ParameterChargedUpJoos
PriceFreeFree
Rating4.6 (121 ratings) — better4.5 (26 ratings)
Positive reviews45.7% of reviews52.8% of reviews — better
Number of ratings121 — better26
Update frequencyEvery 2 monthsEvery 3 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPodiPhone, iPod
Requires iOS15.113.0 — better
Further details — not scored
Size41 MB47 MB
Age rating4+4+
DeveloperInnovate Energy Solutions LtdSilcs Solutions Ltd

Customer experience

ChargedUp

All ratings121 ratings
Positive90.1%
Neutral0.0%
Negative9.9%
Written reviews105 reviews
Positive45.7%
Neutral3.8%
Negative50.5%

Joos

All ratings26 ratings
Positive84.6%
Neutral3.8%
Negative11.5%
Written reviews89 reviews
Positive52.8%
Neutral4.5%
Negative42.7%

User reviews

ChargedUp

From 121 App Store ratings

What we love

  • 💡 Innovative rental concept solves emergency charging needs
  • 👍 Easy and intuitive app interface
  • 🚀 Quick charging speeds
  • 💰 Affordable pricing (£1-3 per hour)
  • 🌍 Convenient locations in bars and public venues

Room to improve

  • 🐛 App crashes during registration and login
  • 💳 Unexpected charges and overcharging issues
  • 🗺️ Inaccurate location mapping and outdated station information
  • ❌ Non-functional power banks and faulty equipment
  • 🚫 Machines reject returns despite showing availability

Joos

From 26 App Store ratings

What we love

  • 👍 Easy to use
  • 👍 Convenient in emergencies
  • 👍 Helpful in hospitals
  • 👍 Good idea
  • 👍 Saves the day

Room to improve

  • 💰 Overpriced
  • 🔋 Slow charging speed
  • 🔋 Does not charge phone
  • 💰 Charged for non-returned item
  • 💰 Excessive charges

Bugs and requests

ChargedUp

Reported bugs

15 issues
  • Login screen shows 'hmm log in' error with no login option
  • App crashes after entering phone number for verification
  • Phone number validation rejects valid UK and international numbers
  • QR code scanner fails to function properly
  • Payment processing errors with ApplePay and card payments
Show 10 more
  • Server errors during transaction attempts
  • App window won't close after sending support emails
  • Machines offline or unresponsive at stations
  • Machines reject power banks despite showing available slots
  • Charging continues after power bank is returned
  • Faulty power banks that don't charge or charge minimally
  • Incorrect time tracking showing extended rental periods
  • App shows stations as available when they are not
  • Different sized battery packs incompatible with some machines
  • Duplicate charges being applied to accounts

Requested features

12 requests
  • Update map with real-time accurate station locations
  • Add email-based authentication instead of SMS only
  • Implement notifications before hourly charges occur
  • Display clear pricing information at all stations
  • Add standardized battery pack sizes across all locations
Show 7 more
  • Create public listing of all station locations
  • Implement automatic charging stop when returned
  • Add dark mode option
  • Improve app performance and stability
  • Expand to non-bar locations (cafes, restaurants, airports)
  • Add support for international phone numbers
  • Provide better visibility on battery pack compatibility

Joos

Reported bugs

14 issues
  • Charger lead faulty
  • Return didn't work properly
  • First battery did not charge
  • Power bank did not charge phone
  • Machine took money but didn't work
Show 9 more
  • Chargers not working
  • Charged as if not returned
  • Power bank ran out of charge quickly
  • Power bank didn't charge phone
  • No charge in the power bank
  • Charger cable needs to be pushed
  • App requires internet and battery to sign up
  • Map not accurate for station locations
  • Charging ports everywhere now

Requested features

7 requests
  • Improve charging speed
  • Offer better value for money
  • Provide an exchange option for faulty cables
  • Make pricing clearer in the app
  • Support fast charging
Show 2 more
  • Make charging stations more available
  • Invest in better quality power banks

In-app purchases

None

ChargedUp

No in-app purchases

None

Joos

No in-app purchases

Questions

Is ChargedUp free?
ChargedUp is free to download, with no in-app purchases.
Is Joos free?
Joos is free to download, with no in-app purchases.
Which has better reviews, ChargedUp or Joos?
ChargedUp is rated higher. ChargedUp averages 4.6 out of 5 from 121 ratings, while Joos averages 4.5 from 26 ratings.
Do ChargedUp or Joos have ads?
Neither ChargedUp nor Joos shows ads.
Which is updated more often, ChargedUp or Joos?
ChargedUp ships an update every 2 months, and Joos every 3 weeks. Most recently, ChargedUp was updated on September 19, 2026 and Joos on September 23, 2026.

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