# Dr.Trainer vs Necto Sensor

The clearest difference is review sentiment: Necto Sensor at 100% against Dr.Trainer's 14%. Necto Sensor also leads on rating (4.7 vs 2.0). Dr.Trainer's advantage is update cadence (every 9 days vs every 6 weeks) and ratings volume (101 vs 6). On price, ads, in-app purchases and monetization model 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 2.0. That said, the two scores are not equally well evidenced: Dr.Trainer has 101 ratings behind it against 6, so its average is the more settled of the two. Written reviews point the same way: 14% of Dr.Trainer's written reviews are positive against 100% of Necto Sensor's.

Dr.Trainer ships an update every 9 days, Necto Sensor every 6 weeks. The most recent releases landed on October 8, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Dr.Trainer | Necto Sensor |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.0 (101 ratings)](https://appshunter.io/ios/app/drtrainer/id1466588067/reviews) | **[4.7 (6 ratings)](https://appshunter.io/ios/app/necto-sensor/id6596772851/reviews)** |
| Number of ratings | **101** | 6 |
| Positive reviews | 13.6% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 9 days** | Every 6 weeks |
| Monetization | Free | Free |
| Size | 55 MB | 32 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPod, Apple Watch | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [HTT IMPORT AND EXPORT INC](https://appshunter.io/developer/1455944293) | [YT INNOVATIONS LLC](https://appshunter.io/developer/1760589427) |

## What reviewers say

### Dr.Trainer

[App page](https://appshunter.io/ios/app/drtrainer/id1466588067)

Configure and control a smart bark collar for your dog. Adjust settings like trigger conditions, correction modes, and stimulation intensity. Also offers virtual remote control for short-distance training.

**Highlights:** Configure Smart Bark Collar, Bluetooth communication, Customizable settings, Automatic barking control, Virtual remote control, Short distance training

**In-app purchases:** none

**What reviewers like**

- 👍 Collar works well (auto mode)
- 👍 Easy setup (initial)
- 👍 Customizable settings
- 👍 Voice recording feature

**What reviewers complain about**

- 🐛 Frequent disconnections
- 🐛 App does not stay connected
- 🐛 Reconnecting is slow
- 🐛 Inconsistent performance
- 🐛 Not working with iPhone 17

**Reported bugs**

- Collar won't connect to iPhone
- App freezes on loading/connecting screen
- App disconnects frequently
- Reconnection takes too long
- Auto bark feature not working

**Requested features**

- Allow app to run in background
- Direct Apple Watch connection
- Add a widget for quick access
- Improve Bluetooth connectivity/range
- Add history section


### 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 Dr.Trainer free?

Dr.Trainer 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, Dr.Trainer or Necto Sensor?

Necto Sensor is rated higher. Dr.Trainer averages 2.0 out of 5 from 101 ratings, while Necto Sensor averages 4.7 from 6 ratings.

### Do Dr.Trainer or Necto Sensor have ads?

Neither Dr.Trainer nor Necto Sensor shows ads.

### Which is updated more often, Dr.Trainer or Necto Sensor?

Dr.Trainer ships an update every 9 days, and Necto Sensor every 6 weeks. Most recently, Dr.Trainer was updated on October 8, 2026 and Necto Sensor on October 7, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*