# ZapGrid vs BTM Performance

The clearest difference is update cadence: BTM Performance at every 3 weeks against ZapGrid's every 5 months. 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.

ZapGrid ships an update every 5 months, BTM Performance every 3 weeks. The most recent releases landed on September 29, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | ZapGrid | BTM Performance |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 8.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 55 MB | 53 MB |
| Requires iOS | **15.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [G.M.T. S.p.A.](https://appshunter.io/developer/1269652923) | [Myala Srl](https://appshunter.io/developer/1544331596) |

## 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


### BTM Performance

[App page](https://appshunter.io/ios/app/btm-performance/id6769178675)

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

**In-app purchases:** none


## Frequently asked questions

### Is ZapGrid free?

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

### Is BTM Performance free?

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

### Do ZapGrid or BTM Performance have ads?

Neither ZapGrid nor BTM Performance shows ads.

### Which is updated more often, ZapGrid or BTM Performance?

ZapGrid ships an update every 5 months, and BTM Performance every 3 weeks. Most recently, ZapGrid was updated on September 29, 2026 and BTM Performance on October 1, 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.*