# POWER WATCHDOG Bluetooth ONLY vs Necto Sensor

The clearest difference is review sentiment: Necto Sensor at 100% against POWER WATCHDOG Bluetooth ONLY's 50%. Necto Sensor also leads on rating (4.7 vs 4.2). POWER WATCHDOG Bluetooth ONLY's advantage is ratings volume (487 vs 6) and iOS requirement (10.0 vs 13.0). On price, update cadence, 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.

Necto Sensor holds the better App Store score, 4.7 against 4.2. That said, the two scores are not equally well evidenced: POWER WATCHDOG Bluetooth ONLY has 487 ratings behind it against 6, so its average is the more settled of the two. Written reviews point the same way: 50% of POWER WATCHDOG Bluetooth ONLY's written reviews are positive against 100% of Necto Sensor's.

POWER WATCHDOG Bluetooth ONLY ships an update every 5 weeks, Necto Sensor every 6 weeks. The most recent releases landed on October 22, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | POWER WATCHDOG Bluetooth ONLY | Necto Sensor |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.2 (487 ratings)](https://appshunter.io/ios/app/power-watchdog-bluetooth-only/id1443989349/reviews) | **[4.7 (6 ratings)](https://appshunter.io/ios/app/necto-sensor/id6596772851/reviews)** |
| Number of ratings | **487** | 6 |
| Positive reviews | 50.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 6 weeks |
| Monetization | Free | Free |
| Size | 22 MB | 32 MB |
| Requires iOS | **10.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Hughes Autoformers](https://appshunter.io/developer/1336340786) | [YT INNOVATIONS LLC](https://appshunter.io/developer/1760589427) |

## What reviewers say

### POWER WATCHDOG Bluetooth ONLY

[App page](https://appshunter.io/ios/app/power-watchdog-bluetooth-only/id1443989349)

This application connects to specific energy sensor models via Bluetooth to monitor energy consumption. It provides different interfaces based on the sensor type and delivers alert messages for error codes.

**Highlights:** Scan BLE energy sensors, Sensor-specific interfaces, Error code alerts, Bluetooth connectivity

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 🔒 Power protection
- 📊 Detailed power monitoring
- ⚠️ Alerts for power issues

**What reviewers complain about**

- 📱 Bluetooth disconnection issues
- 🕰️ Lack of historical power data
- 🔍 Limited app functionality

**Reported bugs**

- App crashes after recent update
- Unable to reconnect device after update

**Requested features**

- Power usage history and graphing
- Customizable notification settings
- Remote monitoring and control


### Necto Sensor

[App page](https://appshunter.io/ios/app/necto-sensor/id6596772851)

This app allows real-time remote monitoring of temperature, humidity, and power status using a cellular-connected sensor. It sends customizable alerts for critical environmental changes, providing peace of mind for property conditions.

**Highlights:** Real-time temperature monitoring, Real-time humidity monitoring, Power status monitoring, Cellular network operation (no Wi-Fi needed), Customizable alert thresholds, Device registration and setup

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

**In-app purchases:** none


## Frequently asked questions

### Is POWER WATCHDOG Bluetooth ONLY free?

POWER WATCHDOG Bluetooth ONLY is free to download, with no in-app purchases.

### Is Necto Sensor free?

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

### Which has better reviews, POWER WATCHDOG Bluetooth ONLY or Necto Sensor?

Necto Sensor is rated higher. POWER WATCHDOG Bluetooth ONLY averages 4.2 out of 5 from 487 ratings, while Necto Sensor averages 4.7 from 6 ratings.

### Do POWER WATCHDOG Bluetooth ONLY or Necto Sensor have ads?

Neither POWER WATCHDOG Bluetooth ONLY nor Necto Sensor shows ads.

### Which is updated more often, POWER WATCHDOG Bluetooth ONLY or Necto Sensor?

POWER WATCHDOG Bluetooth ONLY ships an update every 5 weeks, and Necto Sensor every 6 weeks. Most recently, POWER WATCHDOG Bluetooth ONLY was updated on October 22, 2026 and Necto Sensor 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.*