# 3i vs WattCharge

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.

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.

## The numbers

| Metric | 3i | WattCharge |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (333 ratings)](https://appshunter.io/ios/app/3i/id1625845488/reviews)** | [1.8 (4 ratings)](https://appshunter.io/ios/app/wattcharge/id6465794367/reviews) |
| Number of ratings | **333** | 4 |
| Positive reviews | **72.2% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 11 days | **Weekly** |
| Monetization | Free | Free |
| Size | 279 MB | 61 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [深圳市杉川智能科技有限公司](https://appshunter.io/developer/1680092577) | [SHENZHEN WATTSAVING ELECTRICAL TECHNOLOGY CO.,LTD](https://appshunter.io/developer/1706768359) |

## What reviewers say

### 3i

[App page](https://appshunter.io/ios/app/3i/id1625845488)

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:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### WattCharge

[App page](https://appshunter.io/ios/app/wattcharge/id6465794367)

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:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked 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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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*