W17 vs Noi Solar
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
W17
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This is a multi-function alarm, can through the way of telephone or SMS control equipment, can also through the phone APP to control it.Can add the remote control on the equipment, magnetic door, infrared, such as accessories, installation area of the device in the event of an emergency it sets off the alarm at the same time through the APP send notifications to your phone.
Noi Solar
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The NOI Solar APP serves the Internet of Things (IoT) and is an IoT solution dedicated to the solar energy industry. 1. Support Bluetooth/WiFi connection at the same time. 2. Both Bluetooth and WiFi support connecting multiple devices at the same time. 3. The interface is simple and easy to use, and the data is clear at a glance. 4. Powerful customization function, full control of the device. 5. Rich and practical data statistics. 6. The device can be viewed and controlled anytime and anywhere. 7. The data is refreshed quickly, stable and efficient. 8. Support Device firmware update.
Screenshots
Verdict
The clearest difference is iOS requirement: W17 at 8.0 against Noi Solar's 15.0. On price, update cadence, ads and in-app purchases there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
W17 ships an update fortnightly, Noi Solar every 10 days. The most recent releases landed on November 6, 2026 and November 12, 2026 respectively.
| Parameter | W17 | Noi Solar |
|---|---|---|
| Price | Free | Free |
| Update frequency | Fortnightly | Every 10 days β better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 8.0 β better | 15.0 |
| Further details β not scored | ||
| Size | 58 MB | 33 MB |
| Age rating | 4+ | 4+ |
| Developer | δΌ ζ ζΉ | Guangzhou NOI Technology Co., Ltd |
In-app purchases
W17
No in-app purchases
Noi Solar
No in-app purchases
