# FacturaGAS vs DuoSmart

The clearest difference is rating: DuoSmart at 4.2 against FacturaGAS's 1.4. DuoSmart also leads on review sentiment (25% vs 5%). On price, ratings volume, update cadence and ads 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 1.4. Both are backed by a comparable volume of ratings — 21 and 19 respectively. Written reviews point the same way: 5% of FacturaGAS's written reviews are positive against 25% of DuoSmart's.

FacturaGAS ships an update every 8 months, DuoSmart every 9 months. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | FacturaGAS | DuoSmart |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.4 (21 ratings)](https://appshunter.io/ios/app/facturagas/id1209183804/reviews) | **[4.2 (19 ratings)](https://appshunter.io/ios/app/duosmart/id1494085580/reviews)** |
| Number of ratings | **21** | 19 |
| Positive reviews | 5.0% of reviews | **25.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 8 months** | Every 9 months |
| Monetization | Free | Free |
| Size | 47 MB | 196 MB |
| Requires iOS | 15.6 | **14.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ATIO SA de CV](https://appshunter.io/developer/1351433777) | [Tecnosinergia](https://appshunter.io/developer/1448400951) |

## What reviewers say

### FacturaGAS

[App page](https://appshunter.io/ios/app/facturagas/id1209183804)

Generate fuel consumption invoices directly from your iPhone. Find nearby service stations and check current prices at each location.

**Highlights:** Generate fuel consumption invoices, Locate nearby service stations, Check current fuel prices, iPhone compatibility

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

**In-app purchases:** none


### 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


## Frequently asked questions

### Is FacturaGAS free?

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

### Is DuoSmart free?

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

### Which has better reviews, FacturaGAS or DuoSmart?

DuoSmart is rated higher. FacturaGAS averages 1.4 out of 5 from 21 ratings, while DuoSmart averages 4.2 from 19 ratings.

### Do FacturaGAS or DuoSmart have ads?

Neither FacturaGAS nor DuoSmart shows ads.

### Which is updated more often, FacturaGAS or DuoSmart?

FacturaGAS ships an update every 8 months, and DuoSmart every 9 months. Most recently, FacturaGAS was updated on November 2, 2026 and DuoSmart on November 3, 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.*