# ZapGrid vs PKC

The clearest difference is review sentiment: PKC at 50% against ZapGrid's 8%. PKC also leads on update cadence (every 6 days vs every 5 months). ZapGrid's advantage is in-app purchases (none vs 1). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. PKC sells 1 one-off in-app purchase. ZapGrid asks for nothing beyond the download.

ZapGrid ships an update every 5 months, PKC every 6 days. Both last shipped on November 3, 2026.

## The numbers

| Metric | ZapGrid | PKC |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.0 (2 ratings)](https://appshunter.io/ios/app/pkc-power-check-control/id1540834691/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | 8.0% of reviews | **50.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 6 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 55 MB | 70 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [G.M.T. S.p.A.](https://appshunter.io/developer/1269652923) | [Laika Lab](https://appshunter.io/developer/1441875801) |

## What reviewers say

### ZapGrid

[App page](https://appshunter.io/ios/app/zapgrid/id1269652924)

Locate and use electric vehicle charging stations directly from your device. Manage your charging sessions from start to finish, receiving real-time status updates throughout the process.

**Highlights:** Locate charging stations via geolocation, Identify available charging points, Initiate and manage charging sessions, Receive real-time charging status updates, Guided charging procedures

**Features:** macOS Compatibility

**In-app purchases:** none


### PKC

[App page](https://appshunter.io/ios/app/pkc-power-check-control/id1540834691)

This app analyzes and certifies your car's battery condition, providing a BATTERY CHECK CARA APPROVED certification mark. It requires an official Power Cruise Control OBD kit and a valid VIN license to operate.

**Highlights:** Car status evaluation, Battery condition analysis, BATTERY CHECK CARA APPROVED certification, Requires OBD kit, Requires VIN license

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 PKC Certificate | $30.00 | one-time |


## Frequently asked questions

### Is ZapGrid free?

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

### Is PKC free?

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

### Do ZapGrid or PKC have ads?

Neither ZapGrid nor PKC shows ads.

### Which is updated more often, ZapGrid or PKC?

ZapGrid ships an update every 5 months, and PKC every 6 days. Most recently, ZapGrid was updated on November 3, 2026 and PKC on November 3, 2026.

---

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