Comparison

Autofirma App vs MEC CARSHARING

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Autofirma App

Sign electronic documents and PDFs directly from your iOS device. Supports web-based transactions and local files, requiring a digital certificate for secure authentication. Compatible with iOS 17+ and any web browser.

Highlights
  • Electronic signature for web transactions
  • Sign PDF documents
  • Digital certificate installation
  • iOS 17+ compatibility
  • Web browser integration
  • Cloud storage access
Features
Read full description

Autofirma App permite la firma electrónica desde el navegador de trámites web compatibles con Autofirma App y la firma de documentos PDF ubicados en el dispositivo. La aplicación es compatible con cualquier dispositivo iOS con versión 17 o superior y con cualquier navegador web. Para poder firmar es necesario instalar en la aplicación al menos un certificado digital reconocido desde un fichero PKCS#12 o PFX (Personal File Exchange). Siga las instrucciones de la ayuda de la aplicación para saber cómo instalarlo. Podrá obtener un certificado en formato PKCS#12 o PFX de un proveedor de servicios de certificación. La aplicación puede ser invocada desde una página web compatible para la firma electrónica de un trámite web, o abierta directamente desde el icono en su sistema iOS para la firma de documentos PDF ubicados accesibles desde el dispositivo (almacenamiento local o en la nube). Puede comprobar el adecuado funcionamiento asociado a la invocación desde una página web desde la siguiente página Web de prueba: https://valide.redsara.es/firmaMovil/demo.html Puede encontrar más información sobre Autofirma App en la página Web del Portal de Administración Electrónica del Ministerio para la Transformación Digital y de la Función Pública (https://administracionelectronica.gob.es/) y en el repositorio del Centro de Transferencia Tecnológica (https://github.com/ctt-gob-es/firma-ios).

About

MEC CARSHARING

This app offers a sustainable and modern way to travel using a fleet of electric vehicles. It allows users to find, reserve, and operate vehicles entirely through their mobile device, providing a convenient and eco-friendly transportation solution.

Highlights
  • Find and reserve electric vehicles
  • Unlock and lock vehicles with your phone
  • Sustainable electric vehicle fleet
  • Round trip carsharing system
  • Free parking in Barcelona blue/green zones
  • Includes Teletac for free tolls
Features
Read full description

Discover Mec Carsharing, the most sustainable, comfortable and modern way to move around your city and beyond. Mec Carsharing is committed to providing a 21st century mobility service, based on vehicle sharing, with the use of sustainable electric vehicles and, above all, with mobile technology. Our service is available for clients in medium and small cities around Barcelona and the province of Tarragona, you can check our website meccarsharing.com to know the exact populations. We have a large fleet of vehicles, all of them electric, with good load capacity that allow you to travel both within the city and make longer journeys by motorway. The majority of our fleet is made up of NISSAN Leaf model vehicles. Every time you travel with us you will be helping the planet. Our invoice rate for minutes and we have discounts and special rates for intensive uses of the vehicle. The service works under the Round Trip system where the start and end of the trip are the same base, which you can check both on the website and in the app. Through our modern app you can find and reserve a 100% electric vehicle, open it, close it and end the reservation without the use of any type of keys, only with your mobile phone, what do you think? You will find the vehicles ready and charged, the energy will not be a problem or represent any cost. Inside the vehicle you will find the card to park for free in the blue and green areas of the city of Barcelona. In the same way the cars are equipped with teletac and enjoy tolls, also free, on non-holiday working days on the managed highways of the Generalitat de Catalunya. How does it work: From the app, you can register simply, intuitively and quickly, you will only need your driving license and your credit card information. Once registered, in a short period of time, we will validate the information and you will receive a message with the confirmation. From this moment you can make reservations. In Mec Carsharing we want to contribute to having cities and urban centers less congested with less smoke and promoting a mobility that is more sustainable, shared and where technology allows you to have our service in the palm of your hand quickly and easily . You will find more information at http://meccarsharing.com/

Screenshots

Autofirma App4 screens
MEC CARSHARING4 screens

Verdict

The call

The clearest difference is review sentiment: MEC CARSHARING at 33% against Autofirma App's 6%. MEC CARSHARING also leads on update cadence (every 2 months vs every 7 months) and iOS requirement (15.0 vs 17.0). On price, ads, in-app purchases and monetization model there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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

UpkeepUpdate frequency

Autofirma App ships an update every 7 months, MEC CARSHARING every 2 months. The most recent releases landed on October 10, 2026 and September 30, 2026 respectively.

Scorecard3 real differences · 7 level
Autofirma App versus MEC CARSHARING: the parameters behind the verdict, then further details
ParameterAutofirma AppMEC CARSHARING
PriceFreeFree
Rating—4.1 (10 ratings) — better
Positive reviews6.2% of reviews33.3% of reviews — better
Number of ratings—10 — better
Update frequencyEvery 7 monthsEvery 2 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPadiPhone, iPod
Requires iOS17.015.0 — better
Further details — not scored
Size35 MB68 MB
Age rating4+4+
DeveloperMinisterio de Asuntos Economicos y Transformacion DigitalGLIDE.IO

Customer experience

Autofirma App

Written reviews65 reviews
Positive6.2%
Neutral1.5%
Negative92.3%

MEC CARSHARING

All ratings10 ratings
Positive80.0%
Neutral0.0%
Negative20.0%
Written reviews3 reviews
Positive33.3%
Neutral0.0%
Negative66.7%

In-app purchases

None

Autofirma App

No in-app purchases

None

MEC CARSHARING

No in-app purchases

Questions

Is Autofirma App free?
Autofirma App is free to download, with no in-app purchases.
Is MEC CARSHARING free?
MEC CARSHARING is free to download, with no in-app purchases.
Do Autofirma App or MEC CARSHARING have ads?
Neither Autofirma App nor MEC CARSHARING shows ads.
Which is updated more often, Autofirma App or MEC CARSHARING?
Autofirma App ships an update every 7 months, and MEC CARSHARING every 2 months. Most recently, Autofirma App was updated on October 10, 2026 and MEC CARSHARING on September 30, 2026.

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