# iRotorBalancer vs EMF Field Detector RF Scanner

The clearest difference is price: EMF Field Detector RF Scanner at $4.99 against iRotorBalancer's $799.99. EMF Field Detector RF Scanner also leads on ratings volume (5.5K vs 1) and update cadence (every 3 weeks vs every 2 months). iRotorBalancer's advantage is rating (5.0 vs 4.5) and ads (none vs shown). On in-app purchases there is nothing between them.

iRotorBalancer costs $799.99 and EMF Field Detector RF Scanner $4.99 up front. iRotorBalancer sells 2 one-off in-app purchases and EMF Field Detector RF Scanner sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

iRotorBalancer holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: EMF Field Detector RF Scanner has 5.5K ratings behind it against 1, so its average is the more settled of the two.

iRotorBalancer ships an update every 2 months, EMF Field Detector RF Scanner every 3 weeks. The most recent releases landed on June 24, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | iRotorBalancer | EMF Field Detector RF Scanner |
| --- | --- | --- |
| Price | $799.99 | **$4.99** |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/irotorbalancer/id523471219/reviews)** | [4.5 (5.5K ratings)](https://appshunter.io/ios/app/emf-field-detector-rf-scanner/id836603095/reviews) |
| Number of ratings | 1 | **5.5K** |
| Positive reviews | — | 84.1% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 18 MB | 56 MB |
| Requires iOS | **11.0** | 15.6 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Motionics, LLC](https://appshunter.io/developer/424498959) | [Jorge Gregorio Martin Bello](https://appshunter.io/developer/567988393) |

## What reviewers say

### iRotorBalancer

[App page](https://appshunter.io/ios/app/irotorbalancer/id523471219)

This technical tool assists in balancing rotating machinery using single or two-plane methods. It connects to external hardware to measure vibration amplitude and phase, then calculates necessary correction weights and their positions. Reports can be generated and emailed.

**Highlights:** Single-plane balancing (Vector & Four-Runs methods), Two-plane balancing (Influence Coefficients), Real-time waveform and FFT spectrum display, Automatic 1X peak amplitude and phase selection, Polar plot and weight location graphics, Report generation with plots, data, and images

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Custom Report Header and Logo | $49.99 | one-time |
| Two-Plane Overhung Rotor Balancing | $249.99 | one-time |


### EMF Field Detector RF Scanner

[App page](https://appshunter.io/ios/app/emf-field-detector-rf-scanner/id836603095)

Detect electromagnetic fields (EMF) using your device's sensors. Get alerted to high magnetic fields and potential radiation sources in your home. Useful for identifying hidden emitters and understanding your environment.

**Highlights:** Detects electromagnetic fields (EMF), Warns of high magnetic fields with beeps, Measures magnetic force on three axes, Records readings with time and date stamps, Stores up to 100 records, Sends measurements via email

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Pack | $4.99 | one-time |
| Special Offer | $4.99 | one-time |

**What reviewers like**

- 👍 Easy to use
- 🚀 Accurate readings
- 💡 Useful for detecting EMF
- 🔍 Helps identify problem areas
- 📊 Provides clear data and insights

**What reviewers complain about**

- 🐛 Occasional glitches or inconsistent readings
- 🔋 Concerns about phone's own EMF emissions
- 💰 Premium version required for full functionality

**Reported bugs**

- App freezes or stops working after updates
- Readings not always accurate or reliable

**Requested features**

- Ability to export data
- More detailed explanations and guidance
- Compatibility with other EMF measurement devices


## Frequently asked questions

### Is iRotorBalancer free?

iRotorBalancer costs $799.99, and also offers in-app purchases.

### Is EMF Field Detector RF Scanner free?

EMF Field Detector RF Scanner costs $4.99, and also offers in-app purchases.

### Which has better reviews, iRotorBalancer or EMF Field Detector RF Scanner?

iRotorBalancer is rated higher. iRotorBalancer averages 5.0 out of 5 from 1 ratings, while EMF Field Detector RF Scanner averages 4.5 from 5.5K ratings.

### Do iRotorBalancer or EMF Field Detector RF Scanner have ads?

EMF Field Detector RF Scanner shows ads; iRotorBalancer does not.

### Which is updated more often, iRotorBalancer or EMF Field Detector RF Scanner?

iRotorBalancer ships an update every 2 months, and EMF Field Detector RF Scanner every 3 weeks. Most recently, iRotorBalancer was updated on June 24, 2026 and EMF Field Detector RF Scanner on September 24, 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.*