SmartButler vs SolarViewer
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SmartButler
This application is designed exclusively for hotels and establishments that utilize the SmartButler® system. It provides employees with mobile access to guest requests, allowing them to update statuses and add remarks on the go. Real-time notifications ensure prompt attention to new guest needs.
- Guest request access on the go
- Update request statuses
- Add remarks to requests
- Real-time notifications for new requests
- Seamless integration with SmartButler® system
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***Please Note***************** The SmartButler® iOS application is intended for the use of hotels and other establishments using SmartButler®. It does not offer any stand-alone functionality. ********************************* The SmartButler® iOS application gives SmartButler® enabled hotels a way to give their employees easy access to guests' requests on the go. The SmartButler® iOS application works seamlessly with SmartButler®, reflecting the most current information in system. It also allows employees to update the status of guest requests and add remarks where necessary. The SmartButler® iOS Application is equipped with a notification capability to ensure that employees are immediately notified when a new request is received.
SolarViewer
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PV interverter monitoring APP to monitor PV plant and PV inverter meter/parameters, provide local/remote setting.
Screenshots
Verdict
The clearest difference is iOS requirement: SolarViewer at 8.0 against SmartButler's 15.0. On price, update cadence, 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.
SmartButler ships an update every 3 weeks, SolarViewer every 5 weeks. The most recent releases landed on October 24, 2026 and October 26, 2026 respectively.
| Parameter | SmartButler | SolarViewer |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 3 weeks — better | Every 5 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 8.0 — better |
| Further details — not scored | ||
| Size | 9 MB | 36 MB |
| Age rating | 4+ | 4+ |
| Developer | JAYBEE Systems Ltd. | AsianPowerDevicesInc |
In-app purchases
SmartButler
No in-app purchases
SolarViewer
No in-app purchases









