3i vs WattCharge
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
3i
Easily connect and control your smart devices from your mobile phone. Manage settings, schedule tasks, and monitor device status remotely. Enjoy firmware updates and share device access with family.
- Remote control and setup
- Real-time status view
- Schedule automated tasks
- Do not disturb mode
- Firmware upgrades
- Share device access
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3i App is an application that connects 3i's smart products. With 3i App, you can quickly and easily connect your mobile phone with 3i's smart products. With 3i App, you can use the following functions. 【Remote Control】Remote control and setup your device anytime, anywhere. 【Status View】Check the working status of the device in real time. 【Setting Appointment】Set up regular cleaning tasks and start working automatically. 【Do Not Disturb Mode】Set the do not disturb time, the device will not disturb your rest. 【Firmware Upgrade】Get the function update, enjoy a better smart life. 【Share the device with your family and friends. 【Contact Us】We are looking forward to your praise and criticism! Official website: https://www.3itech.com/
WattCharge
Manage and control intelligent charging devices from a single platform. This app facilitates easy connection and operation of smart charging stations, integrating them into your smart home ecosystem. Enjoy features like scheduled charging and battery health preservation.
- Quick pairing and shared charging
- Seamless charging experience
- Set charging limits for battery health
- Silent charging mode
- Scheduled charging for off-peak hours
- Integrates charging stations into smart home
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The WattCharge app is a unified management platform for intelligent charging devices created by Wattsaving. It enables the discovery, connection, management, and control of Wattsaving' smart charging products, facilitating interconnection between smart charging stations. WattCharge turns charging stations into part of a smart home. 【Key Features】 >> Quick pairing, shared charging One-time pairing for shared usage within the family. >> Seamless charging experience Keep Bluetooth on, plug in, and start charging instantly. >> Charging limits Users can set charging limits to preserve battery health. >> Silent mode Silent charging mode to avoid disturbing neighbors. >> Scheduled charging Charge during off-peak hours to benefit from lower electricity rates. 【Contact Us】 We greatly value your support and feedback for every step of our progress. We look forward to hearing from you through the following channels: (1) WattCharge app --> My --> Help & Feedback (2) Email us at wattcloud@wattsaving.com (3) Visit our website: www.wattsaving.com (4) Follow Wattsaving on official WeChat account, WeChat video platform, and TikTok.
Screenshots
Verdict
The clearest difference is review sentiment: 3i at 72% against WattCharge's 0%. 3i also leads on rating (4.9 vs 1.8) and ratings volume (333 vs 4). 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.
3i holds the better App Store score, 4.9 against 1.8. That said, the two scores are not equally well evidenced: 3i has 333 ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 72% of 3i's written reviews are positive against 0% of WattCharge's.
3i ships an update every 11 days, WattCharge weekly. Both last shipped on September 19, 2026.
| Parameter | 3i | WattCharge |
|---|---|---|
| Price | Free | Free |
| Rating | 4.9 (333 ratings) — better | 1.8 (4 ratings) |
| Positive reviews | 72.2% of reviews — better | 0.0% of reviews |
| Number of ratings | 333 — better | 4 |
| Update frequency | Every 11 days | Weekly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 13.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 279 MB | 61 MB |
| Age rating | 4+ | 4+ |
| Developer | 深圳市杉川智能科技有限公司 | SHENZHEN WATTSAVING ELECTRICAL TECHNOLOGY CO.,LTD |
Customer experience
3i
WattCharge
In-app purchases
3i
No in-app purchases
WattCharge
No in-app purchases









