# EV Efficiency Tracker vs WattMate

The clearest difference is in-app purchases: EV Efficiency Tracker at none against WattMate's 2. EV Efficiency Tracker also leads on iOS requirement (14.0 vs 16.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. WattMate sells 2 in-app purchases, starting at $0.99 per month. EV Efficiency Tracker asks for nothing beyond the download.

Both ship on a similar rhythm, roughly weekly. The most recent releases landed on September 10, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | EV Efficiency Tracker | WattMate |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Weekly | Weekly |
| Size | 29 MB | 82 MB |
| Requires iOS | **14.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [ICBNC, Inc.](https://appshunter.io/developer/1883126187) | [Stefan Kovachev](https://appshunter.io/developer/1886970731) |

## What reviewers say

### EV Efficiency Tracker

[App page](https://appshunter.io/ios/app/ev-efficiency-tracker/id6760196549)

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

**In-app purchases:** none


### WattMate

[App page](https://appshunter.io/ios/app/wattmate-ev-charging-tracker/id6760948697)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| WattMate Premium Monthly | $0.99 | per month |
| WattMate Premium Yearly | $6.99 | per year |


## Frequently asked questions

### Is EV Efficiency Tracker free?

EV Efficiency Tracker is free to download, with no in-app purchases.

### Is WattMate free?

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

### Do EV Efficiency Tracker or WattMate have ads?

Neither EV Efficiency Tracker nor WattMate shows ads.

### Which is updated more often, EV Efficiency Tracker or WattMate?

EV Efficiency Tracker ships an update weekly, and WattMate weekly. Most recently, EV Efficiency Tracker was updated on September 10, 2026 and WattMate on September 19, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*