# SmartCharge.Duosida vs LINCHR

SmartCharge.Duosida and LINCHR are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

SmartCharge.Duosida ships an update every 6 weeks, LINCHR every 2 months. The most recent releases landed on October 11, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | SmartCharge.Duosida | LINCHR |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 2 months |
| Monetization | Free | — |
| Size | 18 MB | 32 MB |
| Requires iOS | **10.0** | 11.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Zhangjiagang Uchen New Energy Technology Co.,Ltd](https://appshunter.io/developer/1796077004) | [XIAN TELD LINCHR NEW ENERGY TECHNOLGY CO., LTD](https://appshunter.io/developer/1617938045) |

## What reviewers say

### SmartCharge.Duosida

[App page](https://appshunter.io/ios/app/smartchargeduosida/id1450913301)

This application is designed exclusively for managing Duosida charging pile products. It provides a dedicated interface for users of these specific charging stations.

**Highlights:** Manage Duosida charging piles, Exclusive product support, Dedicated interface

**Features:** macOS Compatibility

**In-app purchases:** none


### LINCHR

[App page](https://appshunter.io/ios/app/linchr/id1617938043)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SmartCharge.Duosida free?

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

### Is LINCHR free?

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

### Do SmartCharge.Duosida or LINCHR have ads?

Neither SmartCharge.Duosida nor LINCHR shows ads.

### Which is updated more often, SmartCharge.Duosida or LINCHR?

SmartCharge.Duosida ships an update every 6 weeks, and LINCHR every 2 months. Most recently, SmartCharge.Duosida was updated on October 11, 2026 and LINCHR on October 5, 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.*