Comparison

Web PKI vs Bird ID

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

Head to head

Web PKI

Free

📊 Productivity

★ 1.04 ratingsView app →

Bird ID

Free

📊 Productivity

★ 4.691 ratingsView app →

About

Web PKI

Perform digital signatures using certificates from your mobile device on compatible websites and applications. Securely authenticate documents and transactions on the go.

Highlights

Digital signatures with mobile certificates
Compatibility with websites
Compatibility with applications
Secure authentication

Features

Read full description

O Web PKI permite realizar assinaturas digitais com certificados do seu celular em sites ou aplicativos compatíveis.

About

Bird ID

This app provides a secure cloud-based digital certificate for signing documents with legal validity. It offers enhanced security features, transaction history, and device management for a convenient digital experience.

Highlights

Sign documents with legal validity
Cloud-based digital certificate
Secure OTP generation
Manage Bird ID accounts
View connected devices
Transaction history tracking
Purchase credits in-app

Features

Read full description

Conheça o Bird ID, o Certificado Digital em Nuvem ICP-Brasil que traz mais praticidade e segurança para você! Com nosso app, você tem agilidade, liberdade e segurança para realizar diversas ações, como: * Assinar documentos diretamente no app, com a mesma validade jurídica de uma assinatura reconhecida em cartório. * Nova interface, para uma melhor experiência e usabilidade * Visualizar o código OTP gerado a cada 30 segundos na tela principal, garantindo a segurança das suas transações. * Gerenciar suas Contas Bird ID de forma simples e intuitiva. * Listar os dispositivos conectados à sua conta. * Verificar o histórico de transações para acompanhar todas as suas atividades. * Adquirir novos créditos de utilização diretamente no aplicativo. E tem mais... * Experiência aprimorada para você! * Redução de senhas – Agora, basta a senha da sua Conta Bird ID para acessar o app. * Notificações de renovação de Certificado – Fique tranquilo! Avisamos você quando seu Certificado estiver próximo do vencimento. * Segurança aprimorada – Implementamos novos métodos de autenticação para proteger ainda mais seus dados. Quer mais? * Versão Desktop disponível! Integrada ao app, ela permite que você assine seus documentos de forma simples, fácil e rápida. * Conquiste sua liberdade digital agora! Baixe o Bird ID e aproveite todos os benefícios do Certificado Digital em Nuvem. Voe longe com o nosso passarinho! Termos de Uso (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Web PKI1 screens

Bird ID4 screens

Verdict

The call

The clearest difference is rating: Bird ID at 4.6 against Web PKI's 1.0. Bird ID also leads on update cadence (fortnightly vs every 2 months) and ratings volume (91 vs 4). Web PKI's advantage is in-app purchases (none vs 9) and iOS requirement (8.2 vs 15.0). On price, review sentiment, ads 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Bird ID sells 7 in-app purchases, starting at $6.99 per month. Web PKI asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Bird ID holds the better App Store score, 4.6 against 1.0. That said, the two scores are not equally well evidenced: Bird ID has 91 ratings behind it against 4, so its average is the more settled of the two. Written reviews complicate that: 30% of Web PKI's written reviews are positive against 29% of Bird ID's, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

Web PKI ships an update every 2 months, Bird ID fortnightly. The most recent releases landed on October 8, 2026 and October 19, 2026 respectively.

Scorecard6 real differences · 4 level

Web PKI versus Bird ID: the parameters behind the verdict, then further details
Parameter	Web PKI	Bird ID
Price	Free	Free
Rating	1.0 (4 ratings)	4.6 (91 ratings) — better
Positive reviews	30.0% of reviews — better	28.9% of reviews
Number of ratings	4	91 — better
Update frequency	Every 2 months	Fortnightly — better
Ads	No	No
In-app purchases	No — better	Yes
Monetization	Free — better	Free with in-app purchases
Devices	iPhone, iPad, iPod	iPhone, iPad, iPod
Requires iOS	8.2 — better	15.0
Further details — not scored
Size	98 MB	109 MB
Age rating	4+	4+
Developer	Lacuna Software	VaultID

Customer experience

Web PKI

All ratings4 ratings

Positive0.0%

Neutral0.0%

Negative100.0%

Written reviews20 reviews

Positive30.0%

Neutral5.0%

Negative65.0%

Bird ID

All ratings91 ratings

Positive89.0%

Neutral2.2%

Negative8.8%

Written reviews38 reviews

Positive28.9%

Neutral2.6%

Negative68.4%

In-app purchases

None

Web PKI

No in-app purchases

7 purchases

Bird ID

Subscriptions4

Mensal2 variants$6.991 Month
Plano Padrão$6.991 Month
Anual2 variants$29.991 Year

Show 1 more

Plano Padrão$29.991 Year

One-time3

1 mês$9.99
3 meses$17.99
1 ano$29.99

Questions

Is Web PKI free?

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

Is Bird ID free?

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

Which has better reviews, Web PKI or Bird ID?

Bird ID is rated higher. Web PKI averages 1.0 out of 5 from 4 ratings, while Bird ID averages 4.6 from 91 ratings.

Do Web PKI or Bird ID have ads?

Neither Web PKI nor Bird ID shows ads.

Which is updated more often, Web PKI or Bird ID?

Web PKI ships an update every 2 months, and Bird ID fortnightly. Most recently, Web PKI was updated on October 8, 2026 and Bird ID on October 19, 2026.