pjrobot vs WaterHandler
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
pjrobot
Control your smart home devices remotely with this app. It offers easy device setup, smart linkage for one-click control of multiple devices, and voice assistant integration for a convenient smart living experience.
- Remote device control
- WIFI fast distribution network
- Smart linkage for multiple devices
- Voice assistant support
- One-click device control
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"pjrobot" Smart App, one-stop smart home control terminal; WIFI fast distribution network, and supports multiple connection methods; Remote control, you can easily control your home devices even when you are not at home; The smart linkage allows you to control multiple devices with one click, freeing your hands and enjoying a truly smart experience (Applicable to robot vacuum, air purifier...) Support voice assistant to intelligently control your device; Smart life has been opened for you！
WaterHandler
Remotely monitor and control various smart home devices, including water valves, lights, and appliances. This system allows for faster and easier management of your connected devices from any location.
- Connect and control multiple devices
- Faster and easier device management
- Remote monitoring of smart devices
- Control appliances like water valves and lights
- Access from anywhere
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With WaterHandler Hero Control System, you can connect and control multiple devices faster and easier. Wherever you are, you can monitor and control smart devices, and appliances (water valves, light, washing machine, hob, etc.
Screenshots
Verdict
The clearest difference is rating: WaterHandler at 5.0 against pjrobot's 1.5. WaterHandler also leads on update cadence (monthly vs every 13 months). On price, ratings volume, 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
WaterHandler holds the better App Store score, 5.0 against 1.5. Both are backed by a comparable volume of ratings — 2 and 2 respectively.
pjrobot ships an update every 13 months, WaterHandler monthly. The most recent releases landed on September 17, 2026 and July 28, 2026 respectively.
| Parameter | pjrobot | WaterHandler |
|---|---|---|
| Price | Free | Free |
| Rating | 1.5 (2 ratings) | 5.0 (2 ratings) — better |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | 2 | 2 |
| Update frequency | Every 13 months | Monthly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 12.0 — better | 13.4 |
| Further details — not scored | ||
| Size | 183 MB | 27 MB |
| Age rating | 4+ | 4+ |
| Developer | Dongguan Pinjia Intelligence Technology Co.,Ltd | Hero Control System |
Customer experience
pjrobot
WaterHandler
In-app purchases
pjrobot
No in-app purchases
WaterHandler
No in-app purchases
