Comparison

3i vs WattCharge

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • Remote control and setup
  • Real-time status view
  • Schedule automated tasks
  • Do not disturb mode
  • Firmware upgrades
  • Share device access
Features
Read full description

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/

About

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.

Highlights
  • 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
Features
Read full description

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

3i3 screens
WattCharge3 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

3i ships an update every 11 days, WattCharge weekly. Both last shipped on September 19, 2026.

Scorecard4 real differences · 6 level
3i versus WattCharge: the parameters behind the verdict, then further details
Parameter3iWattCharge
PriceFreeFree
Rating4.9 (333 ratings) — better1.8 (4 ratings)
Positive reviews72.2% of reviews — better0.0% of reviews
Number of ratings333 — better4
Update frequencyEvery 11 daysWeekly — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPodiPhone, iPod
Requires iOS13.0 — better15.0
Further details — not scored
Size279 MB61 MB
Age rating4+4+
Developer深圳市杉川智能科技有限公司SHENZHEN WATTSAVING ELECTRICAL TECHNOLOGY CO.,LTD

Customer experience

3i

All ratings333 ratings
Positive97.6%
Neutral0.3%
Negative2.1%
Written reviews18 reviews
Positive72.2%
Neutral5.6%
Negative22.2%

WattCharge

All ratings4 ratings
Positive25.0%
Neutral0.0%
Negative75.0%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

None

3i

No in-app purchases

None

WattCharge

No in-app purchases

Questions

Is 3i free?
3i is free to download, with no in-app purchases.
Is WattCharge free?
WattCharge is free to download, with no in-app purchases.
Which has better reviews, 3i or WattCharge?
3i is rated higher. 3i averages 4.9 out of 5 from 333 ratings, while WattCharge averages 1.8 from 4 ratings.
Do 3i or WattCharge have ads?
Neither 3i nor WattCharge shows ads.
Which is updated more often, 3i or WattCharge?
3i ships an update every 11 days, and WattCharge weekly. Most recently, 3i was updated on September 19, 2026 and WattCharge on September 19, 2026.

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