WashApp vs charge7
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
WashApp
Control washing and drying machines remotely using your mobile phone. Requires a compatible ETZ terminal and registration on the ENIO portal to manage credit and start cycles.
- Remote machine control
- Bluetooth connectivity
- ETZ terminal integration
- ENIO portal registration
- Credit management
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Start a washing or drying process with your mobile phone via a Bluetooth connection on an ETZ terminal. Requirements: 1. The operator of the laundry room uses the ETZ from ENIO GmbH to control the appliances. 2. You are registered with your App-ID as a user on the ENIO Portal. 3. You have credit on the ENIO Portal. Log in via internet to charge your balance: https://etz.enio.at/etz/ Note: After the registration process has been completed, you are logged on to the ENIO Portal. You can charge your credit immediately.
charge7
Rent a portable charger on the go in Vienna. Find nearby stations, scan a QR code to rent a power bank with built-in cables, and return it to any station. Payment is handled via credit/debit cards or Alipay.
- Rent portable power banks
- Find nearby rental stations
- Integrated charging cables (Apple, USB-C, Micro USB)
- QR code rental system
- Return to any station
- Credit/debit card payment
- Alipay top-up with credits
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On the road and the battery is empty? Desperately asking if someone has a charging cable with them and if there is a power outlet nearby? This has happened to us far too often... That's why we're building a powerbank sharing network in Vienna. What is charge7? Charge7 is a Viennese startup. Simply rent a powerbank to charge your smartphone in the restaurant or on the road. Each charge7powerbank comes with Apple, USB-C and Micro USB cable. So you don't need your own. You can return the charge7powerbank any station near you, which you can find in the app. How does it work? Open the charge7app to find the closest station next to you. Scan the QR code on the station to rent a power bank. Plug in using the cable included and charge on the go. Return the power bank to any station shown on the map. Where can I find charge7? We are working together with popular bars, cafes, shops and many more. We are always looking for new and exciting venues to partner with. Drop us a message in the app and tell us where you would like to see us next. How do I pay? Choose one of our payment methods in the app. It is possible to use all kind of credit and debit cards for paying the rental fee. You can also to Top-Up using bank cards or AliPay and get free credits! Scan the QR code on the station and the power bank will pop out of it! Don’t worry! We cap your daily spending and remember you to return it. Our pricing is fully transparent and displayed in the app. If you choose to keep the power bank, you will be charged its purchase price. Got a question? Visit www.charge7.at or contact us via the app.
Screenshots
Verdict
The clearest difference is rating: charge7 at 5.0 against WashApp's 2.5. charge7 also leads on update cadence (every 2 months vs every 9 months). WashApp's advantage is iOS requirement (10.3 vs 13.0). On price, ratings volume, ads and in-app purchases 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
charge7 holds the better App Store score, 5.0 against 2.5. Both are backed by a comparable volume of ratings — 2 and 1 respectively.
WashApp ships an update every 9 months, charge7 every 2 months. The most recent releases landed on October 20, 2026 and October 24, 2026 respectively.
| Parameter | WashApp | charge7 |
|---|---|---|
| Price | Free | Free |
| Rating | 2.5 (2 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | 2 — better | 1 |
| Update frequency | Every 9 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 10.3 — better | 13.0 |
| Further details — not scored | ||
| Size | 32 MB | 41 MB |
| Age rating | 4+ | 4+ |
| Developer | Enio GmbH | JZ Mobile Payment Services GmbH |
Customer experience
WashApp
charge7
In-app purchases
WashApp
No in-app purchases
charge7
No in-app purchases
