# Project EV vs CheckedOK Pre

The clearest difference is update cadence: Project EV at every 2 months against CheckedOK Pre's every 7 months. Project EV also leads on iOS requirement (12.0 vs 15.1). On price, ads, in-app purchases and device support there is nothing between them.

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

Project EV ships an update every 2 months, CheckedOK Pre every 7 months. The most recent releases landed on September 20, 2026 and May 17, 2026 respectively.

## The numbers

| Metric | Project EV | CheckedOK Pre |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 10.2% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 7 months |
| Monetization | Free | — |
| Size | 36 MB | 38 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Shenzhen Growatt New Energy Technology Co.,Ltd](https://appshunter.io/developer/1135731820) | [CoreRFID Limited](https://appshunter.io/developer/1193252576) |

## What reviewers say

### Project EV

[App page](https://appshunter.io/ios/app/project-ev/id1441514573)

Control and manage electric vehicle charging stations remotely. Schedule charging sessions, start/end charging, and monitor your account and charging history. This app offers convenient and fast access to your charging pile status.

**Highlights:** Remote charging pile operation, Pre-scheduled charging, Start/end charging sessions, View account and charging information, Share account charging, Automatic usage calculation, Real-time electric pile status

**Features:** macOS Compatibility

**In-app purchases:** none


### CheckedOK Pre

[App page](https://appshunter.io/ios/app/checkedok-pre-use/id6746045144)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Project EV free?

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

### Is CheckedOK Pre free?

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

### Do Project EV or CheckedOK Pre have ads?

Neither Project EV nor CheckedOK Pre shows ads.

### Which is updated more often, Project EV or CheckedOK Pre?

Project EV ships an update every 2 months, and CheckedOK Pre every 7 months. Most recently, Project EV was updated on September 20, 2026 and CheckedOK Pre on May 17, 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.*