# Teslameter. vs Dr.EV

The clearest difference is review sentiment: Dr.EV at 88% against Teslameter.'s 0%. Dr.EV also leads on rating (4.8 vs 2.0) and ads (none vs shown). Teslameter.'s advantage is iOS requirement (12.0 vs 15.0). On price, in-app purchases, monetization model and device support there is nothing between them.

Both are free to download. Teslameter. sells 1 one-off in-app purchase and Dr.EV sells 18 in-app purchases, starting at $4.49 per 7 days. Whichever you choose, the download price is not the number that matters.

Dr.EV holds the better App Store score, 4.8 against 2.0. That said, the two scores are not equally well evidenced: Dr.EV has 29 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 88% of Dr.EV's.

Teslameter. ships an update every 12 months, Dr.EV every 5 days. The most recent releases landed on October 16, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Teslameter. | Dr.EV |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.0 (3 ratings)](https://appshunter.io/ios/app/teslameter/id976926346/reviews) | **[4.8 (29 ratings)](https://appshunter.io/ios/app/drev-for-your-tesla/id6479555058/reviews)** |
| Number of ratings | 3 | **29** |
| Positive reviews | 0.0% of reviews | **88.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 12 months | **Every 5 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 14 MB | 282 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [margaret kovatch](https://appshunter.io/developer/1039651981) | [BATTER MACHINE Co.,Ltd](https://appshunter.io/developer/1734784306) |

## 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 |


### Dr.EV

[App page](https://appshunter.io/ios/app/drev-for-your-tesla/id6479555058)

Optimize your electric vehicle's battery performance and lifespan with intelligent AI-driven analysis. Monitor battery health, driving habits, and charging efficiency with real-time insights and actionable recommendations for enhanced longevity and performance.

**Highlights:** Smart battery management guide, Real-time battery health insights, AI-powered safety detection, Intelligent charging monitor, Real-time driving analytics, Historical battery timeline

**Features:** Apple Watch app

**In-app purchases (18)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Weekly (1 Vehicle) | $4.49 | per 7 days |
| Pro Monthly Subscription | $4.99 | per month |
| Lite Monthly (1 Vehicle) | $5.99 | per month |
| Pro Monthly (1 Vehicle) | $8.99 | per month |
| Pro Monthly (3 Vehicles) | $17.90 | per month |
| Pro Monthly (2 Vehicles) | $17.99 | per month |
| Pro Monthly (4 Vehicles) | $23.49 | per month |
| Pro Monthly (5 Vehicles) | $29.00 | per month |
| Pro Annual Subscription | $34.99 | per year |
| Pro Annual (1 Vehicle) | $89.99 | per year |
| Pro Annual (2 Vehicles) | $119.00 | per year |
| Pro Annual (3 Vehicles) | $179.00 | per year |
| Pro Annual (4 Vehicles) | $234.99 | per year |
| Pro Annual (5 Vehicles) | $290.00 | per year |
| Pro Annual (4 Vehicles) | $359.99 | per year |
| Pro Annual (5 Vehicles) | $449.99 | per year |
| Lite Lifetime (1 Vehicle) | $179.99 | one-time |
| Pro Lifetime (1 Vehicle) | $269.99 | one-time |


## Frequently asked questions

### Is Teslameter. free?

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

### Is Dr.EV free?

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

### Which has better reviews, Teslameter. or Dr.EV?

Dr.EV is rated higher. Teslameter. averages 2.0 out of 5 from 3 ratings, while Dr.EV averages 4.8 from 29 ratings.

### Do Teslameter. or Dr.EV have ads?

Teslameter. shows ads; Dr.EV does not.

### Which is updated more often, Teslameter. or Dr.EV?

Teslameter. ships an update every 12 months, and Dr.EV every 5 days. Most recently, Teslameter. was updated on October 16, 2026 and Dr.EV on October 27, 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.*