# jBot App vs EMF Detector

The clearest difference is rating: jBot App at 5.0 against EMF Detector's 3.9. jBot App also leads on ads (none vs shown) and monetization model (free vs ad-supported). EMF Detector's advantage is ratings volume (9 vs 2) and iOS requirement (16.4 vs 26.0). On price, update cadence, 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.

jBot App holds the better App Store score, 5.0 against 3.9. Both are backed by a comparable volume of ratings — 2 and 9 respectively.

jBot App ships an update every 3 days, EMF Detector every 5 days. The most recent releases landed on October 31, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | jBot App | EMF Detector |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/jbot-app/id6757989750/reviews)** | [3.9 (9 ratings)](https://appshunter.io/ios/app/emf-detector-emf-meter/id6759903916/reviews) |
| Number of ratings | 2 | **9** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 3 days** | Every 5 days |
| Monetization | **Free** | Ad-supported |
| Size | 13 MB | 79 MB |
| Requires iOS | 26.0 | **16.4** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Kris Russell](https://appshunter.io/developer/1870110083) | [Kyu-Hee Jang](https://appshunter.io/developer/1587578867) |

## What reviewers say

### jBot App

[App page](https://appshunter.io/ios/app/jbot-app/id6757989750)

Monitor your trading bot's performance in real-time. Get instant access to your trading results, including win rates, P&L, and account value, from anywhere. View detailed trade history and performance charts to stay connected to your trading.

**Highlights:** Real-time performance tracking, Dashboard with key metrics, Detailed trade history, Performance charts, Secure sign-in options, Cross-device compatibility

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

**In-app purchases:** none


### EMF Detector

[App page](https://appshunter.io/ios/app/emf-detector-emf-meter/id6759903916)

This app uses your phone's magnetometer to measure and display magnetic fields. It offers standard and paranormal measurement modes, helps locate sources of EMF, and allows you to record and export your readings.

**Highlights:** Live magnetic field gauge, Standard and paranormal modes, Source finding tool, Measurement session recording, CSV export, 24-hour exposure chart, Spirit Box entertainment mode

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

**In-app purchases:** none


## Frequently asked questions

### Is jBot App free?

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

### Is EMF Detector free?

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

### Which has better reviews, jBot App or EMF Detector?

jBot App is rated higher. jBot App averages 5.0 out of 5 from 2 ratings, while EMF Detector averages 3.9 from 9 ratings.

### Do jBot App or EMF Detector have ads?

EMF Detector shows ads; jBot App does not.

### Which is updated more often, jBot App or EMF Detector?

jBot App ships an update every 3 days, and EMF Detector every 5 days. Most recently, jBot App was updated on October 31, 2026 and EMF Detector on November 9, 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.*