7 vs WS Power
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
7
Print photos and documents directly from your smartphone to 7-Eleven multicopy machines in Japan. You can also scan physical documents and save them electronically to your device. Supports various file formats and offers high-resolution scanning.
- Smartphone printing
- Document scanning
- Wi-Fi connectivity
- Photo printing
- Postcard printing
- High-resolution scanning
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You can easily print photos and documents in your smartphone! This App can help you to print photos and documents in the smartphone, by sending them via Wi-Fi connection to the Multicopy machine in 7-Eleven stores in Japan. You can scan your physical document to save it electronically in your smartphone! This App can also save images in your smartphone, scanned by the Multicopy machine. Overview of Print service 1)Document Print, Photograph Print, and Postcard Print are available by the dedicated paper. (It is possible to print your brought postcard paper only instead.) 2)You can print directly via Wi-Fi connection. 3)Simple operation without any password required, as well as security ensured. Overview of Scan service 1)High-resolution scanning of black and white 600dpi and full-color 400dpi. 2)You can save it directly via Wi-Fi connection to your smartphone. Terms and Conditions - This App can be only used with Multicopy machines located at 7-Eleven stores in Japan. - It corresponds to Japanese and English languages. - OS version from iOS/iPadOS 18, 26, 27 are supported. - You will pay when you print, or when you save your scanned data. Specifications for each service - Printable file formats - Photograph Print: JPEG, TIFF, BMP, and PNG - Document Print: PDF, XPS, XDW, JPEG, TIFF, BMP, and PNG - Postcard Print: PDF, XPS, XDW, JPEG, TIFF, BMP, and PNG - File formats for saving the scanned data - PDF, XDW, JPEG, and TIFF - Maximum number of transmission files - Photograph/Document/Postcard Print: 30 MB per file - Photograph/Document/Postcard Print: 60 items - Maximum number of files to be received - Scan: 800 MB per file - Scan: 20 items
WS Power
Manage energy consumption, access mobile laundromat services, and pay energy bills securely. This app offers smart energy management features, convenient laundry booking and payment, and one-click bill payment with a viewable history.
- Smart energy management
- Real-time consumption monitoring
- Mobile laundromat booking
- Secure bill payment
- Billing history access
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WS Power is a smart facility management app that helps you save time, money and energy. With WS Power, you can: - Monitor and control your energy consumption and efficiency with smart energy management features. You can view real-time data, set schedules, adjust settings and get alerts on your smartphone. - Access mobile laundromat services at your convenience. You can book, pay and track your laundry orders with just a few taps. You can also choose from a variety of wash options, detergents and delivery times. - Pay your energy bills easily and securely with WS Power. You can link your bank account or credit card and pay your bills with one click. You can also view your billing history. WS Power is the ultimate app for smart facility management. Download it today and experience the difference!
Screenshots
Verdict
The clearest difference is rating: 7 at 4.7 against WS Power's 1.0. 7 also leads on ratings volume (315 vs 1). WS Power's advantage is update cadence (monthly vs every 3 months) and iOS requirement (12.0 vs 18.0). On price, ads, in-app purchases and monetization model 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.
7 holds the better App Store score, 4.7 against 1.0. That said, the two scores are not equally well evidenced: 7 has 315 ratings behind it against 1, so its average is the more settled of the two.
7 ships an update every 3 months, WS Power monthly. The most recent releases landed on October 24, 2026 and October 19, 2026 respectively.
| Parameter | 7 | WS Power |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (315 ratings) — better | 1.0 (1 ratings) |
| Positive reviews | 36.1% of reviews | — |
| Number of ratings | 315 — better | 1 |
| Update frequency | Every 3 months | Monthly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 18.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 71 MB | 32 MB |
| Age rating | 4+ | 4+ |
| Developer | FUJIFILM Business Innovation Corp. | MEGA AUTOMATION LIMITED |
Customer experience
7
WS Power
In-app purchases
7
No in-app purchases
WS Power
No in-app purchases









