# ER3 vs EVmetry for Tesla

The clearest difference is update cadence: EVmetry for Tesla at every 2 days against ER3's weekly. ER3's advantage is device support (3 vs 1). On price, ads, in-app purchases and iOS requirement there is nothing between them.

Both are free to download. ER3 sells 6 in-app purchases, starting at $1.99 per 6 months and EVmetry for Tesla sells 4 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

ER3 ships an update weekly, EVmetry for Tesla every 2 days. The most recent releases landed on September 24, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | ER3 | EVmetry for Tesla |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Weekly | **Every 2 days** |
| Size | 36 MB | 14 MB |
| Requires iOS | 18.6 | 18.6 |
| Devices | **iPhone, iPad, Apple Watch** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [Gilberto Gaudio](https://appshunter.io/developer/922949128) | [GABRIEL PIRACCINI](https://appshunter.io/developer/1798443269) |

## What reviewers say

### ER3

[App page](https://appshunter.io/ios/app/er3/id1098816255)

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Utilities 6 months | $1.99 | per 6 months |
| Utilities 3 months | $1.99 | per 3 months |
| Premium 3 months | $3.49 | per 3 months |
| Utilities 1 year | $3.49 | per year |
| Premium 6 months | $6.49 | per 6 months |
| Premium 1 year | $8.99 | per year |


### EVmetry for Tesla

[App page](https://appshunter.io/ios/app/evmetry-for-tesla/id6788330875)

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| EVmetry Base | $3.99 | per month |
| EVmetry Pro | $5.99 | per month |
| EVmetry Base | $29.90 | per year |
| EVmetry Pro | $49.90 | per year |


## Frequently asked questions

### Is ER3 free?

ER3 is free to download, with in-app purchases available.

### Is EVmetry for Tesla free?

EVmetry for Tesla is free to download, with in-app purchases available.

### Do ER3 or EVmetry for Tesla have ads?

Neither ER3 nor EVmetry for Tesla shows ads.

### Which is updated more often, ER3 or EVmetry for Tesla?

ER3 ships an update weekly, and EVmetry for Tesla every 2 days. Most recently, ER3 was updated on September 24, 2026 and EVmetry for Tesla on September 21, 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.*