# Synergy E vs U

The clearest difference is ads: Synergy E at none against U's shown. U's advantage is update cadence (every 2 months vs every 4 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Synergy E ships an update every 4 months, U every 2 months. The most recent releases landed on October 9, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Synergy E | U |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 4 months | **Every 2 months** |
| Monetization | Free | — |
| Size | 94 MB | 50 MB |
| Requires iOS | **12.4** | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Kazam EV Tech Pvt. Ltd.](https://appshunter.io/developer/1563868547) | [Fuzhou Ulandpower Technology Co., Ltd.](https://appshunter.io/developer/1772863390) |

## What reviewers say

### Synergy E

[App page](https://appshunter.io/ios/app/synergy-e-mobility/id1633433163)

This app promotes environmental sustainability by encouraging users to reduce their carbon footprint and improve air quality. It aims to foster a collective commitment to a healthier planet.

**Highlights:** Reduce carbon footprint, Improve air quality, Environmental commitment, Sustainable living, EV charging information

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

**In-app purchases:** none


### U

[App page](https://appshunter.io/ios/app/u-charger/id6736647299)

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

**In-app purchases:** none


## Frequently asked questions

### Is Synergy E free?

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

### Is U free?

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

### Do Synergy E or U have ads?

U shows ads; Synergy E does not.

### Which is updated more often, Synergy E or U?

Synergy E ships an update every 4 months, and U every 2 months. Most recently, Synergy E was updated on October 9, 2026 and U on October 15, 2026.

---

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