# HHEV vs TT EV Charging

The clearest difference is device support: TT EV Charging at 2 against HHEV's —. HHEV's advantage is iOS requirement (9.0 vs 13.0). On price and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | HHEV | TT EV Charging |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | — | No |
| Update frequency | — | Every 2 months |
| Size | 53 MB | 83 MB |
| Requires iOS | **9.0** | 13.0 |
| Devices | — | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [ZhuHai Sino Energy Technology Co.,Ltd](https://appshunter.io/developer/1712259427) | [Shun Shing Contractors Limited](https://appshunter.io/developer/1775406938) |

## What reviewers say

### HHEV

[App page](https://appshunter.io/ios/app/hhev/id6469591255)

**In-app purchases:** none


### TT EV Charging

[App page](https://appshunter.io/ios/app/tt-ev-charging/id6737230136)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is HHEV free?

HHEV is free to download, with no in-app purchases.

### Is TT EV Charging free?

TT EV Charging is free to download, with no in-app purchases.

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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.*