Firmador vs SDF
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Firmador
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Con Firmador puedes firmar tus documentos PDF con valor legal desde la facilidad de tu bolsillo. Dile adiós a firmar en papel.
SDF
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Aplicación que permite realizar la toma de firma de un documento notarial en forma remota
Screenshots
Verdict
Firmador and SDF 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.
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.
Firmador ships an update every 9 months, SDF every 4 months. The most recent releases landed on September 29, 2026 and October 1, 2026 respectively.
| Parameter | Firmador | SDF |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 9 months | Every 4 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 66 MB | 42 MB |
| Age rating | 4+ | 4+ |
| Developer | LLAMA.PE SA | Colegio de Escribanos de la Ciudad de Buenos Aires |
In-app purchases
Firmador
No in-app purchases
SDF
No in-app purchases
