# POWER WATCHDOG Bluetooth ONLY vs EchoCheck

The clearest difference is iOS requirement: POWER WATCHDOG Bluetooth ONLY at 10.0 against EchoCheck's 12.2. 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.

## The numbers

| Metric | POWER WATCHDOG Bluetooth ONLY | EchoCheck |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.2 (489 ratings)](https://appshunter.io/ios/app/power-watchdog-bluetooth-only/id1443989349/reviews)** | — |
| Number of ratings | **489** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | — |
| Monetization | Free | — |
| Size | 22 MB | 158 MB |
| Requires iOS | **10.0** | 12.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Hughes Autoformers](https://appshunter.io/developer/1336340786) | [GHP Group Inc.](https://appshunter.io/developer/1099329927) |

## 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


### EchoCheck

[App page](https://appshunter.io/ios/app/echocheck/id6478116572)

**Features:** macOS Compatibility

**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 EchoCheck free?

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

### Do POWER WATCHDOG Bluetooth ONLY or EchoCheck have ads?

Neither POWER WATCHDOG Bluetooth ONLY nor EchoCheck shows ads.

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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.*