Comparison

Watana vs Certezia

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

Head to head

★ 5.01 ratingsView app →

About

Watana

Features

Read full description

Watana puedes firmar documentos pdf usando un certificado digital almacenado en tu celular o de forma remota en nuestro HSM acreditado ante indecopi.

About

Certezia

Digitally sign documents securely and legally in Peru using your electronic National Identity Document (DNIe) and NFC technology. This app allows for quick and easy signing directly from your smartphone, eliminating the need for extra hardware or certificates.

Highlights

Digital document signing
Utilizes DNIe and NFC
Smartphone signing
Legal compliance in Peru
No USB readers or extra certificates needed

Features

Read full description

Certezia es la manera más fácil, rápida y segura de firmar digitalmente documentos en Perú, cumpliendo con los estándares legales vigentes. Nuestra aplicación aprovecha al máximo el potencial del Documento Nacional de Identidad Electrónico (DNIe) y la tecnología NFC para que puedas firmar desde tu smartphone, sin necesidad de lectores USB, computadoras ni certificados digitales adicionales. Términos de uso: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Watana4 screens

Certezia4 screens

Verdict

The call

The clearest difference is in-app purchases: Watana at none against Certezia's 1. Watana also leads on device support (3 vs 1). Certezia's advantage is update cadence (every 2 weeks vs every 2 months). On price, ads and iOS requirement 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. Certezia sells 1 in-app purchase, starting at $3.99 per year. Watana asks for nothing beyond the download.

UpkeepUpdate frequency

Watana ships an update every 2 months, Certezia every 2 weeks. The most recent releases landed on September 26, 2026 and September 17, 2026 respectively.

Scorecard3 real differences · 7 level

Watana versus Certezia: the parameters behind the verdict, then further details
Parameter	Watana	Certezia
Price	Free	Free
Rating	—	5.0 (1 ratings) — better
Positive reviews	—	100.0% of reviews
Number of ratings	—	1 — better
Update frequency	Every 2 months	Every 2 weeks — better
Ads	No	No
In-app purchases	No — better	Yes
Monetization	—	Free
Devices	iPhone, iPad, iPod — better	iPhone
Requires iOS	15.0 — better	16.0
Further details — not scored
Size	67 MB	112 MB
Age rating	4+	17+
Developer	LLAMA.PE SA	Certezia EIRL

In-app purchases

None

Watana

No in-app purchases

1 purchases

Certezia

Subscriptions1

Firma Personal Premium$3.991 Year

Questions

Is Watana free?

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

Is Certezia free?

Certezia is free to download, with in-app purchases available.

Do Watana or Certezia have ads?

Neither Watana nor Certezia shows ads.

Which is updated more often, Watana or Certezia?

Watana ships an update every 2 months, and Certezia every 2 weeks. Most recently, Watana was updated on September 26, 2026 and Certezia on September 17, 2026.