# NSYS vs POWERbot

The clearest difference is rating: NSYS at 2.7 against POWERbot's 1.7. NSYS also leads on update cadence (every 2 months vs every 4 months) and device support (4 vs 2). POWERbot's advantage is ratings volume (31 vs 7). On price, review sentiment, 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.

NSYS holds the better App Store score, 2.7 against 1.7. Both are backed by a comparable volume of ratings — 7 and 31 respectively. Written reviews complicate that: 0% of NSYS's written reviews are positive against 7% of POWERbot's, so the app with the better star average is not the one people write more warmly about.

NSYS ships an update every 2 months, POWERbot every 4 months. The most recent releases landed on October 1, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | NSYS | POWERbot |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.7 (7 ratings)](https://appshunter.io/ios/app/nsys-test/id1448501054/reviews)** | [1.7 (31 ratings)](https://appshunter.io/ios/app/powerbot-e/id1480187168/reviews) |
| Number of ratings | 7 | **31** |
| Positive reviews | 0.0% of reviews | **6.5% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 4 months |
| Monetization | Free | Free |
| Size | 29 MB | 72 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | +4 |
| Developer | [Grigoriy Glazman](https://appshunter.io/developer/1448501053) | [Samsung Electronics Co., Ltd.](https://appshunter.io/developer/359580642) |

## What reviewers say

### NSYS

[App page](https://appshunter.io/ios/app/nsys-test/id1448501054)

This utility app tests your knowledge of device functions. It simulates actions like making calls, connecting to Wi-Fi, and using sensors, cameras, and audio. It's designed to verify your understanding of how these features work.

**Highlights:** Simulates call functionality, Tests Wi-Fi connection, Verifies button interactions, Assesses sensor usage, Checks camera functionality, Evaluates audio recording/listening

**Features:** macOS Compatibility, Apple Watch app

**In-app purchases:** none


### POWERbot

[App page](https://appshunter.io/ios/app/powerbot-e/id1480187168)

Control your robot vacuum remotely with this application. Start cleaning cycles, send the device back to its charging station, and manage other essential functions with ease.

**Highlights:** Remote vacuum control, Start/stop cleaning, Return to dock, Device management

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 🚀 Fast connection
- 👍 Beautifully constructed app
- 🚀 Incredibly fast mixing
- 👍 Doesn't crash on iPad mini

**What reviewers complain about**

- 🐛 App crashes on launch
- 🐛 App doesn't recognize device
- 🐛 App freezes during network setup
- 🐛 App doesn't list device after connection
- 🐛 App doesn't allow device addition

**Reported bugs**

- App crashes on launch
- App doesn't recognize device
- App freezes during network setup
- App doesn't list device after connection
- App doesn't allow device addition

**Requested features**

- Add dark mode option
- Improve mapping functionality
- Allow manual control improvements
- Provide default Wi-Fi password


## Frequently asked questions

### Is NSYS free?

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

### Is POWERbot free?

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

### Which has better reviews, NSYS or POWERbot?

NSYS is rated higher. NSYS averages 2.7 out of 5 from 7 ratings, while POWERbot averages 1.7 from 31 ratings.

### Do NSYS or POWERbot have ads?

Neither NSYS nor POWERbot shows ads.

### Which is updated more often, NSYS or POWERbot?

NSYS ships an update every 2 months, and POWERbot every 4 months. Most recently, NSYS was updated on October 1, 2026 and POWERbot on October 7, 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.*