# Necto Sensor vs E

The clearest difference is update cadence: E at every 6 days against Necto Sensor's every 6 weeks. E also leads on rating (5.0 vs 4.7). Necto Sensor's advantage is ratings volume (6 vs 2) and iOS requirement (13.0 vs 15.1). 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.

E holds the better App Store score, 5.0 against 4.7. Both are backed by a comparable volume of ratings — 6 and 2 respectively.

Necto Sensor ships an update every 6 weeks, E every 6 days. The most recent releases landed on October 7, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | Necto Sensor | E |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (6 ratings)](https://appshunter.io/ios/app/necto-sensor/id6596772851/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/e-collar-training-hub/id6759734810/reviews)** |
| Number of ratings | **6** | 2 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 6 days** |
| Monetization | Free | Free |
| Size | 32 MB | 44 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [YT INNOVATIONS LLC](https://appshunter.io/developer/1760589427) | [Matthew Patrick](https://appshunter.io/developer/1880411034) |

## What reviewers say

### 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


### E

[App page](https://appshunter.io/ios/app/e-collar-training-hub/id6759734810)

This app provides comprehensive support for E-Collar dog training devices. It offers an AI assistant for training guidance and troubleshooting, digital product manuals, and advanced tools for professional trainers to manage clients and track sessions.

**Highlights:** AI Training Assistant, Product Support & Troubleshooting, Digital Product Manuals, Session Logger, Client Management, Dog Profiles, Training Reports

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

**In-app purchases:** none


## Frequently asked questions

### Is Necto Sensor free?

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

### Is E free?

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

### Which has better reviews, Necto Sensor or E?

E is rated higher. Necto Sensor averages 4.7 out of 5 from 6 ratings, while E averages 5.0 from 2 ratings.

### Do Necto Sensor or E have ads?

Neither Necto Sensor nor E shows ads.

### Which is updated more often, Necto Sensor or E?

Necto Sensor ships an update every 6 weeks, and E every 6 days. Most recently, Necto Sensor was updated on October 7, 2026 and E on September 29, 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.*