Great concept but tried 3 chargers and all didn’t work. Hard to cancel and get refund.
Estimated from the grossing charts of Oct 21, 2026 in the 53 countries we track, and ratings growth on the App Store.
From our daily snapshots of every grossing chart.
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| Oct 22, 2026 | not in a grossing chart |
Measured from the store, not estimated.
From the latest 28 reviews on the United States App Store, Jun 14, 2022 to Oct 13, 2026: 79% are 1 or 2 stars. Open a theme to read what people wrote.
8 of the 1 and 2 star reviews.
★★★★★ Hard to cancel and get refund.
★★★★★ I got a battery that only charged me 3% and died.
★★★★★ Waste of a trip to Japan and to an expensive park.
5 of the 1 and 2 star reviews.
★★★★★ Had an issue returning a device and it caused me to not be able to rent another leaving me stranded
★★★★★ I had to talk to customer service for 30 minutes and translate everything.
★★★★★ Someone grabbed mine and ran off at the pick up point. I have been working to eat this fixed for an hour. Waste of a trip to Japan and to an expensive park. Don't waste your time with their power banks. One thing goes…
4 of the 1 and 2 star reviews.
★★★★★ I got a battery that only charged me 3% and died.
★★★★★ The search function is also very slow: clicking a pin often just ends up in an endless loop without loading the name or address of the location.
★★★★★ I went to store marked on the map as having battery packs ready for pick up.
4 of the 1 and 2 star reviews.
★★★★★ One thing goes wrong and it will ruin your trip.
★★★★★ The map of where to return it using both Apple Maps and Google maps sent me to the wrong spot.
★★★★★ I went to store marked on the map as having battery packs ready for pick up. They did not offer such a service. In fact the staff had no idea what I was talking about.
Nothing stands out.
2 of the 4 and 5 star reviews.
★★★★★ Great service available in many locations and it's super easy to use
★★★★★ Not native to Hong Kong, found the app extremely easy to understand and extremely easy to find a location.
Found by matching words and phrases in the reviews, not read by a person. A review can count toward more than one theme.
Latest reviews, United States App Store.
Great concept but tried 3 chargers and all didn’t work. Hard to cancel and get refund.
while traveling in Taiwan, I was unable to bind any payment method without a Taiwan phone number. Insane.
No way to opt out marketing spams from transactional push notifications, disrespectful to users to the max.
Had an issue returning a device and it caused me to not be able to rent another leaving me stranded
Minus
The battery is a drip charger meaning an iPhone Pro Max and other newer iPhones will take about 5 hours to fully charge vs an hour to 80% with a fast battery charger. Do yourself a favor and buy a fast battery charger. This is just for emergencies which is good. But they charge by the hour(about $2/hour) so you’ll pay $10 to fully charge your phone which is ok, but you have to carry it around half the day or longer if you use your phone. 3/5 stars for no fast charging and only 1 plug type per battery(1x usb C, 1x lighting, and 1x micro USB) so you can’t charge two devices at once unless you have an older iPhone and newer one . Again, you pay per hour, not charge, so fast charging or multiple plugs for the same device type would be amazing.
Apple Search Ads this app ran in the last 90 days, from Apple's public ad repository.
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Released Aug 24, 2017. Current version shipped Oct 20, 2026.
Prices, ranks and reviews are per country. Revenue above is already worldwide.