# SENSOR PLUS vs RedkeyRobot

The clearest difference is update cadence: RedkeyRobot at every 2 months against SENSOR PLUS's every 5 months. On price, ads, 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.

SENSOR PLUS ships an update every 5 months, RedkeyRobot every 2 months. The most recent releases landed on October 4, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | SENSOR PLUS | RedkeyRobot |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 2 months** |
| Monetization | — | Free |
| Size | 141 MB | 65 MB |
| Requires iOS | 11.0 | **10.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [深圳豪成智能科技有限公司](https://appshunter.io/developer/1701767992) | [深圳市杉川机器人有限公司](https://appshunter.io/developer/1232160765) |

## What reviewers say

### SENSOR PLUS

[App page](https://appshunter.io/ios/app/sensor-plus/id1448995280)

**Features:** macOS Compatibility

**In-app purchases:** none


### RedkeyRobot

[App page](https://appshunter.io/ios/app/redkeyrobot/id1548695524)

Control your R2 laser sweeping robot remotely from your phone, whether you're home or away. Schedule cleaning, monitor progress on a real-time map, and manage cleaning modes for autonomous daily tasks.

**Highlights:** Real-time map monitoring, Remote cleaning control, Scheduled cleaning appointments, Start, stop, pause, and recharge, Multiple cleaning mode switching

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SENSOR PLUS free?

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

### Is RedkeyRobot free?

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

### Do SENSOR PLUS or RedkeyRobot have ads?

Neither SENSOR PLUS nor RedkeyRobot shows ads.

### Which is updated more often, SENSOR PLUS or RedkeyRobot?

SENSOR PLUS ships an update every 5 months, and RedkeyRobot every 2 months. Most recently, SENSOR PLUS was updated on October 4, 2026 and RedkeyRobot on October 10, 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.*