# 3i vs ECOVACS PRO

The clearest difference is review sentiment: 3i at 72% against ECOVACS PRO's 25%. 3i also leads on rating (4.9 vs 2.3) and ads (none vs shown). On price, in-app purchases and device support 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 2.3. That said, the two scores are not equally well evidenced: 3i has 333 ratings behind it against 3, 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 25% of ECOVACS PRO's.

3i ships an update every 11 days, ECOVACS PRO every 5 weeks. The most recent releases landed on October 19, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | 3i | ECOVACS PRO |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (333 ratings)](https://appshunter.io/ios/app/3i/id1625845488/reviews)** | [2.3 (3 ratings)](https://appshunter.io/ios/app/ecovacs-pro/id1658684548/reviews) |
| Number of ratings | **333** | 3 |
| Positive reviews | **72.2% of reviews** | 25.0% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 11 days** | Every 5 weeks |
| Monetization | **Free** | Ad-supported |
| Size | 279 MB | 98 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [深圳市杉川智能科技有限公司](https://appshunter.io/developer/1680092577) | [Ecovacs](https://appshunter.io/developer/586003690) |

## 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


### ECOVACS PRO

[App page](https://appshunter.io/ios/app/ecovacs-pro/id1658684548)

Control and manage commercial cleaning robots remotely. View real-time status, edit maps, schedule cleaning tasks, and review reports for an efficient cleaning experience.

**Highlights:** Real-time robot status monitoring, Map editing and optimization, Task scheduling, Cleaning report viewing, Multi-machine management, Remote control

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is 3i free?

3i is free to download, with no in-app purchases.

### Is ECOVACS PRO free?

ECOVACS PRO is free to download, with no in-app purchases.

### Which has better reviews, 3i or ECOVACS PRO?

3i is rated higher. 3i averages 4.9 out of 5 from 333 ratings, while ECOVACS PRO averages 2.3 from 3 ratings.

### Do 3i or ECOVACS PRO have ads?

ECOVACS PRO shows ads; 3i does not.

### Which is updated more often, 3i or ECOVACS PRO?

3i ships an update every 11 days, and ECOVACS PRO every 5 weeks. Most recently, 3i was updated on October 19, 2026 and ECOVACS PRO on October 9, 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.*