Viafirma Documents vs Llarena
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Viafirma Documents
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Viafirma documents is the solution in charge of managing documents that need to be signed on mobile devices, serving as a gateway between the client's backoffice, for example a CRM, and the end user. The solution includes the signature components, backend for the integral management of the service, and customization of the client app for iOS. These mobile apps support the digitalized signature or biometric signature, based on the capture of electronic evidence such as biometric data, photography or the geolocated position of the signer, among others.
Llarena
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La aplicación Llarena es la herramienta de colaboración entre usted y su asesoría. Comparta y descargue documentos y tenga acceso a sus impuestos, nóminas, seguros sociales y toda la información necesaria para la gestión de su negocio 24hx7d. Envíe sus facturas, compras y gastos desde su dispositivo mediante una captura fotográfica o subiendo PDF directamente. Podrá visualizar en tiempo real la información contable, fiscal y laboral con completos KPIS completamente personalizables. Además, Llarena pone a su disposición un sistema ERP multi-idioma y multi-divisa, para gestionar su facturación, gestión de compras, cobros y pagos, facturas recurrentes, etc. Todo desde un único dispositivo y adaptado a los cambios legales que se requieren. Aviso legal: Esta aplicación no está afiliada, respaldada ni gestionada por ningún organismo público o entidad gubernamental. Los datos y cálculos mostrados provienen de su asesoría y no de fuentes oficiales. Fuentes oficiales de información: Agencia Tributaria: https://www.agenciatributaria.es Seguridad Social:Seguridad Social: Internethttps://www.seg-social.es
Screenshots
Verdict
The clearest difference is update cadence: Viafirma Documents at every 4 months against Llarena's every 21 months. Viafirma Documents also leads on iOS requirement (12.0 vs 17.2). On price, ads, in-app purchases and device support 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Viafirma Documents ships an update every 4 months, Llarena every 21 months. The most recent releases landed on September 20, 2026 and September 10, 2026 respectively.
| Parameter | Viafirma Documents | Llarena |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 4 months — better | Every 21 months |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 12.0 — better | 17.2 |
| Further details — not scored | ||
| Size | 31 MB | 74 MB |
| Age rating | 4+ | 17+ |
| Developer | Viafirma S.L | ASESORAMIENTO Y DESARROLLO DE SISTEMAS INFORMATICOS SL |
In-app purchases
Viafirma Documents
No in-app purchases
Llarena
No in-app purchases



