# DuoSmart vs Vemo Watts

The clearest difference is rating: DuoSmart at 4.2 against Vemo Watts's 3.6. DuoSmart also leads on review sentiment (25% vs 13%). Vemo Watts's advantage is update cadence (weekly vs every 9 months). On price, ratings volume, ads and in-app purchases there is nothing between them.

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

DuoSmart holds the better App Store score, 4.2 against 3.6. Both are backed by a comparable volume of ratings — 19 and 46 respectively. Written reviews point the same way: 25% of DuoSmart's written reviews are positive against 13% of Vemo Watts's.

DuoSmart ships an update every 9 months, Vemo Watts weekly. The most recent releases landed on August 6, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | DuoSmart | Vemo Watts |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.2 (19 ratings)](https://appshunter.io/ios/app/duosmart/id1494085580/reviews)** | [3.6 (46 ratings)](https://appshunter.io/ios/app/vemo-watts/id6443565896/reviews) |
| Number of ratings | 19 | **46** |
| Positive reviews | **25.0% of reviews** | 12.5% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 months | **Weekly** |
| Monetization | Free | Free |
| Size | 196 MB | 79 MB |
| Requires iOS | **14.0** | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Tecnosinergia](https://appshunter.io/developer/1448400951) | [Mobility Charging Network, S. de R.L. de C.V.](https://appshunter.io/developer/1667974815) |

## What reviewers say

### DuoSmart

[App page](https://appshunter.io/ios/app/duosmart/id1494085580)

Manage all your smart devices from one app. Control compatible devices, use voice commands, and create custom scenes based on conditions like temperature or time. Receive real-time alerts for enhanced security and easily share device access.

**Highlights:** Remote control for DuoSmart and Tuya devices, Voice control with Amazon Echo and Google Assistant, Create custom automation scenes, Real-time security alerts, Share device access easily, Control multiple devices simultaneously

**Features:** Vision Pro support

**In-app purchases:** none


### Vemo Watts

[App page](https://appshunter.io/ios/app/vemo-watts/id6443565896)

Locate nearby electric vehicle charging stations, manage your charging sessions in real-time, and make secure payments directly from your phone. This app is designed for electric car drivers seeking a convenient and sustainable mobility solution.

**Highlights:** Find nearby charging stations, Real-time availability information, Manage charging sessions, Secure in-app payments, Transaction history, 24/7 customer support

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

**In-app purchases:** none


## Frequently asked questions

### Is DuoSmart free?

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

### Is Vemo Watts free?

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

### Which has better reviews, DuoSmart or Vemo Watts?

DuoSmart is rated higher. DuoSmart averages 4.2 out of 5 from 19 ratings, while Vemo Watts averages 3.6 from 46 ratings.

### Do DuoSmart or Vemo Watts have ads?

Neither DuoSmart nor Vemo Watts shows ads.

### Which is updated more often, DuoSmart or Vemo Watts?

DuoSmart ships an update every 9 months, and Vemo Watts weekly. Most recently, DuoSmart was updated on August 6, 2026 and Vemo Watts on September 21, 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.*