# DeltaGrid EV Public vs Zarc Plug

The clearest difference is update cadence: DeltaGrid EV Public at every 3 months against Zarc Plug's every 7 months. Zarc Plug's advantage is iOS requirement (13.0 vs 16.6). 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.

DeltaGrid EV Public ships an update every 3 months, Zarc Plug every 7 months. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | DeltaGrid EV Public | Zarc Plug |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/deltagrid-ev-public/id1606281838/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 7 months |
| Monetization | Free | — |
| Size | 77 MB | 57 MB |
| Requires iOS | 16.6 | **13.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Delta Electronics, Inc.](https://appshunter.io/developer/386896582) | [Zarc International New Energy Co.,LTD.](https://appshunter.io/developer/1757558090) |

## What reviewers say

### DeltaGrid EV Public

[App page](https://appshunter.io/ios/app/deltagrid-ev-public/id1606281838)

Find and book EV charging stations with real-time status, distance, and plug details. Activate chargers, monitor charging remotely, and receive notifications when complete. Supports diverse payment methods and personalized member account management.

**Highlights:** Real-time charger status and details, One-click navigation to chargers, QR code or app activation, Remote charging progress monitoring, Push notifications for charging completion, Contactless payment options, Personalized member account management

**Features:** macOS Compatibility

**In-app purchases:** none


### Zarc Plug

[App page](https://appshunter.io/ios/app/zarc-plug/id6547843798)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is DeltaGrid EV Public free?

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

### Is Zarc Plug free?

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

### Do DeltaGrid EV Public or Zarc Plug have ads?

Neither DeltaGrid EV Public nor Zarc Plug shows ads.

### Which is updated more often, DeltaGrid EV Public or Zarc Plug?

DeltaGrid EV Public ships an update every 3 months, and Zarc Plug every 7 months. Most recently, DeltaGrid EV Public was updated on October 24, 2026 and Zarc Plug on October 25, 2026.

---

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