Comparison

Bird ID vs Sign documents

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

Head to head
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/

About

Sign documents

This app allows you to quickly and securely sign digital documents like PDFs, contracts, and forms. It offers various signature styles, a document scanner, and instant sharing options, eliminating the need for printing or faxing. Sign documents on the go with bank-level encryption for legally binding results.

Highlights
  • Sign PDFs and documents on the go
  • Create professional electronic signatures
  • Scan and sign paper documents
  • Multiple signature styles (draw, type, upload)
  • Secure and legally binding signatures
  • Share signed documents instantly
  • Offline signing capability
Features
Read full description

Sign Documents - Your Complete Digital Signature Solution Transform the way you sign documents with the most powerful electronic signature app. Whether you need to sign PDFs, contracts, forms, or agreements, our document signer makes it fast, secure, and legally binding. KEY FEATURES: - Sign Documents Anywhere - Sign PDFs and docs on the go - Digital Signature - Create professional electronic signatures - Document Scanner - Scan and sign paper documents instantly - Multiple Signature Styles - Draw, type, or upload your signature - PDF Sign - Sign PDF files with ease - Secure & Legal - Bank-level encryption for all signatures - Share Instantly - Send signed documents via email or cloud PERFECT FOR: Business professionals, freelancers, remote workers, real estate agents, HR departments, and anyone who needs to sign documents quickly and securely. WHY CHOOSE OUR SIGNATURE APP? - Lightning-fast document signing - No printing, scanning, or faxing required - Unlimited document storage - Works offline - sign without internet SUBSCRIPTIONS : - Monthly Plan: 2.99$/month. - Yearly Plan: 19.99$/year. Pricing may vary depending on the country of residence. • Payment will be charged to iTunes Account at confirmation of purchase • Subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period • Account will be charged for renewal within 24-hours prior to the end of the current period, and identify the cost of the renewal • Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user's Account Settings after purchase • Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription to that publication, where applicable Privacy Policy: https://nwlamll.github.io/apps/pp.html Terms of Use : https://nwlamll.github.io/apps/termsofuse.html

Screenshots

Bird ID4 screens
Sign documents4 screens

Verdict

The call

The clearest difference is ads: Bird ID at none against Sign documents's shown. Bird ID also leads on ratings volume (93 vs 1) and device support (3 vs 1). Sign documents's advantage is rating (5.0 vs 4.6). On price, update cadence, 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. Bird ID sells 7 in-app purchases, starting at $6.99 per month and Sign documents sells 3 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Sign documents holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: Bird ID has 93 ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

Bird ID ships an update fortnightly, Sign documents weekly. The most recent releases landed on November 6, 2026 and October 31, 2026 respectively.

Scorecard5 real differences · 5 level
Bird ID versus Sign documents: the parameters behind the verdict, then further details
ParameterBird IDSign documents
PriceFreeFree
Rating4.6 (93 ratings)5.0 (1 ratings) — better
Positive reviews28.9% of reviews—
Number of ratings93 — better1
Update frequencyFortnightlyWeekly — better
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS15.0 — better18.2
Further details — not scored
Size109 MB16 MB
Age rating4+4+
DeveloperVaultIDNawal Amallou

Customer experience

Bird ID

All ratings91 ratings
Positive89.0%
Neutral2.2%
Negative8.8%
Written reviews38 reviews
Positive28.9%
Neutral2.6%
Negative68.4%

Sign documents

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

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
3 purchases

Sign documents

Subscriptions2
  • SwiftSign Pro$1.991 Month
  • SwiftSign Pro$9.991 Year
One-time1
  • 10 Credits$2.99

Questions

Is Bird ID free?
Bird ID is free to download, with in-app purchases available.
Is Sign documents free?
Sign documents is free to download, with in-app purchases available.
Which has better reviews, Bird ID or Sign documents?
Sign documents is rated higher. Bird ID averages 4.6 out of 5 from 93 ratings, while Sign documents averages 5.0 from 1 ratings.
Do Bird ID or Sign documents have ads?
Sign documents shows ads; Bird ID does not.
Which is updated more often, Bird ID or Sign documents?
Bird ID ships an update fortnightly, and Sign documents weekly. Most recently, Bird ID was updated on November 6, 2026 and Sign documents on October 31, 2026.

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