# Teslameter. vs Emf Detector Radiation Reader

The clearest difference is review sentiment: Emf Detector Radiation Reader at 87% against Teslameter.'s 0%. Emf Detector Radiation Reader also leads on rating (4.6 vs 2.0) and update cadence (every 3 weeks vs every 12 months). Teslameter.'s advantage is iOS requirement (12.0 vs 15.6). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Teslameter. sells 1 one-off in-app purchase and Emf Detector Radiation Reader sells 5 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Emf Detector Radiation Reader holds the better App Store score, 4.6 against 2.0. That said, the two scores are not equally well evidenced: Emf Detector Radiation Reader has 1.3K ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 0% of Teslameter.'s written reviews are positive against 87% of Emf Detector Radiation Reader's.

Teslameter. ships an update every 12 months, Emf Detector Radiation Reader every 3 weeks. The most recent releases landed on October 2, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | Teslameter. | Emf Detector Radiation Reader |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.0 (3 ratings)](https://appshunter.io/ios/app/teslameter/id976926346/reviews) | **[4.6 (1.3K ratings)](https://appshunter.io/ios/app/emf-detector-radiation-reader/id1588868540/reviews)** |
| Number of ratings | 3 | **1.3K** |
| Positive reviews | 0.0% of reviews | **86.6% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 12 months | **Every 3 weeks** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 14 MB | 15 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [margaret kovatch](https://appshunter.io/developer/1039651981) | [Bello Studios LLC](https://appshunter.io/developer/1540574147) |

## What reviewers say

### Teslameter.

[App page](https://appshunter.io/ios/app/teslameter/id976926346)

This utility app measures electromagnetic fields around you using your device's compass. It displays readings on X, Y, and Z axes in micro-teslas, along with a magnitude reading. Primarily for entertainment, it detects interference from magnetic objects or potential paranormal activity.

**Highlights:** Measures electromagnetic fields, Displays X, Y, Z axis readings, Calculates magnitude reading, Detects magnetic object interference, For entertainment purposes

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $1.99 | one-time |


### Emf Detector Radiation Reader

[App page](https://appshunter.io/ios/app/emf-detector-radiation-reader/id1588868540)

Detect and track magnetic fields and potential EMF sources around you. Receive warnings for high readings and access guidelines for safe exposure levels. Monitor your environment and protect your health.

**Highlights:** Track magnetic fields and high readings, Detects ferromagnetic metals, Electrosmog (EMP) detector, Identifies home appliance EMF sources, Radio-Frequency Guidelines table, Warning beep for emissions, Stores readings with date stamps

**Features:** macOS Compatibility, Family Sharing, Apple Watch app, Vision Pro support

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium | $4.99 | per 7 days |
| 1 Year Premium | $12.99 | per year |
| Enjoy All The Features | $0.99 | one-time |
| Premium Pack - All Features | $4.99 | one-time |
| Lifetime Access | $14.99 | one-time |

**What reviewers like**

- 🚀 Accurate readings
- 🔒 Helpful for detecting hidden devices
- 👍 Visually appealing interface
- 👍 Easy to use
- 👍 Consistent performance

**What reviewers complain about**

- 🐛 Frequent ads even in paid version
- 🐛 Inconsistent or inaccurate readings in some cases
- 🔋 Drains device battery quickly
- 👎 Lack of clear instructions on interpreting readings

**Reported bugs**

- Readout digits overlapping on screen
- Inconsistent behavior of sound indicator

**Requested features**

- Ability to compare readings over time
- Option to export/share recorded data
- More detailed information on safe/unsafe EMF levels
- Integration with other EMF monitoring devices


## Frequently asked questions

### Is Teslameter. free?

Teslameter. is free to download, with in-app purchases available.

### Is Emf Detector Radiation Reader free?

Emf Detector Radiation Reader is free to download, with in-app purchases available.

### Which has better reviews, Teslameter. or Emf Detector Radiation Reader?

Emf Detector Radiation Reader is rated higher. Teslameter. averages 2.0 out of 5 from 3 ratings, while Emf Detector Radiation Reader averages 4.6 from 1.3K ratings.

### Do Teslameter. or Emf Detector Radiation Reader have ads?

Both Teslameter. and Emf Detector Radiation Reader show ads.

### Which is updated more often, Teslameter. or Emf Detector Radiation Reader?

Teslameter. ships an update every 12 months, and Emf Detector Radiation Reader every 3 weeks. Most recently, Teslameter. was updated on October 2, 2026 and Emf Detector Radiation Reader 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.*