# ZEFNET Charge vs 311 ROCH MN

The clearest difference is update cadence: ZEFNET Charge at every 4 months against 311 ROCH MN's every 16 months. ZEFNET Charge also leads on iOS requirement (11.0 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.

ZEFNET Charge ships an update every 4 months, 311 ROCH MN every 16 months. The most recent releases landed on October 20, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | ZEFNET Charge | 311 ROCH MN |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.6 (26 ratings)](https://appshunter.io/ios/app/zefnet-charge/id1470100874/reviews)** | — |
| Number of ratings | **26** | — |
| Positive reviews | 10.4% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 16 months |
| Monetization | Free | — |
| Size | 19 MB | 51 MB |
| Requires iOS | **11.0** | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ZEF Energy Inc.](https://appshunter.io/developer/1470100873) | [City of Rochester (MN)](https://appshunter.io/developer/1803483526) |

## What reviewers say

### ZEFNET Charge

[App page](https://appshunter.io/ios/app/zefnet-charge/id1470100874)

Find and use public electric vehicle charging stations. Monitor and control your home charging unit, with options to override utility program restrictions for emergency charging.

**Highlights:** Find public chargers, Start/stop charging sessions, Secure in-app payments, Monitor home charger usage, Control home charger, Override charging restrictions

**Features:** macOS Compatibility

**In-app purchases:** none


### 311 ROCH MN

[App page](https://appshunter.io/ios/app/311-roch-mn/id6744979266)

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

**In-app purchases:** none


## Frequently asked questions

### Is ZEFNET Charge free?

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

### Is 311 ROCH MN free?

311 ROCH MN is free to download, with no in-app purchases.

### Do ZEFNET Charge or 311 ROCH MN have ads?

Neither ZEFNET Charge nor 311 ROCH MN shows ads.

### Which is updated more often, ZEFNET Charge or 311 ROCH MN?

ZEFNET Charge ships an update every 4 months, and 311 ROCH MN every 16 months. Most recently, ZEFNET Charge was updated on October 20, 2026 and 311 ROCH MN on September 19, 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.*