# ViaVolt Smart Charging vs synergEV MX

The clearest difference is update cadence: synergEV MX at every 9 days against ViaVolt Smart Charging's every 2 months. synergEV MX also leads on iOS requirement (14.0 vs 16.2). 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.

ViaVolt Smart Charging ships an update every 2 months, synergEV MX every 9 days. The most recent releases landed on November 8, 2026 and November 12, 2026 respectively.

## The numbers

| Metric | ViaVolt Smart Charging | synergEV MX |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 9 days** |
| Size | 86 MB | 113 MB |
| Requires iOS | 16.2 | **14.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Enerlink](https://appshunter.io/developer/1635774704) | [SynergEV](https://appshunter.io/developer/1796914417) |

## What reviewers say

### ViaVolt Smart Charging

[App page](https://appshunter.io/ios/app/viavolt-smart-charging/id6746779256)

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

**In-app purchases:** none


### synergEV MX

[App page](https://appshunter.io/ios/app/synergev-mx/id6749951572)

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

**In-app purchases:** none


## Frequently asked questions

### Is ViaVolt Smart Charging free?

ViaVolt Smart Charging is free to download, with no in-app purchases.

### Is synergEV MX free?

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

### Do ViaVolt Smart Charging or synergEV MX have ads?

Neither ViaVolt Smart Charging nor synergEV MX shows ads.

### Which is updated more often, ViaVolt Smart Charging or synergEV MX?

ViaVolt Smart Charging ships an update every 2 months, and synergEV MX every 9 days. Most recently, ViaVolt Smart Charging was updated on November 8, 2026 and synergEV MX on November 12, 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.*