# Teendow vs 3i

The clearest difference is review sentiment: 3i at 72% against Teendow's 0%. 3i also leads on rating (4.9 vs 3.9) and update cadence (every 11 days vs every 13 months). On price, ads, in-app purchases and monetization model 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 3.9. That said, the two scores are not equally well evidenced: 3i has 333 ratings behind it against 9, so its average is the more settled of the two. Written reviews point the same way: 0% of Teendow's written reviews are positive against 72% of 3i's.

Teendow ships an update every 13 months, 3i every 11 days. The most recent releases landed on October 1, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Teendow | 3i |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.9 (9 ratings)](https://appshunter.io/ios/app/teendow/id1603182509/reviews) | **[4.9 (333 ratings)](https://appshunter.io/ios/app/3i/id1625845488/reviews)** |
| Number of ratings | 9 | **333** |
| Positive reviews | 0.0% of reviews | **72.2% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 13 months | **Every 11 days** |
| Monetization | Free | Free |
| Size | 194 MB | 279 MB |
| Requires iOS | 14.0 | **13.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Weizhisheng TECHNOLOGY (Shenzhen) Co., Ltd.](https://appshunter.io/developer/1603182511) | [深圳市杉川智能科技有限公司](https://appshunter.io/developer/1680092577) |

## What reviewers say

### Teendow

[App page](https://appshunter.io/ios/app/teendow/id1603182509)

Control your sweeping robot remotely via your smartphone. This app allows you to manage cleaning schedules, initiate cleaning cycles, and direct the robot to its charging station, replacing traditional remote controls.

**Highlights:** Remote robot control, Cleaning schedule management, Initiate cleaning cycles, Direct to charging station, Replace traditional remote

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Teendow free?

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

### Is 3i free?

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

### Which has better reviews, Teendow or 3i?

3i is rated higher. Teendow averages 3.9 out of 5 from 9 ratings, while 3i averages 4.9 from 333 ratings.

### Do Teendow or 3i have ads?

Neither Teendow nor 3i shows ads.

### Which is updated more often, Teendow or 3i?

Teendow ships an update every 13 months, and 3i every 11 days. Most recently, Teendow was updated on October 1, 2026 and 3i on October 2, 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.*