Comparison

Keyinvoice App vs Keymaster

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

Head to head

About

Keyinvoice App

Features

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A aplicação do keyinvoice permite consultar, adicionar e editar os seu clientes e produtos. Consulte os seu documentos de compra e venda. Envie os seus documentos para o email dos seus clientes. Para utilizar a aplicação é necessário gerar uma chave para a API nas configurações da sua licença Keyinvoice. Qualquer dúvida ou questão contacte o suporte através do email: suporte@keyinvoice.com

About

Keymaster

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Através da Potencia Digital, eficiência operacional, monitorização real da operação, integração e automatização de conjuntos de tarefas rotineiras e experiência do cliente, asseguramos a integração de 100% dos intervenientes (Gestores / Colaboradores / Clientes) numa participação conjunta e numa visão 360º em tempo real que permite o acesso à Gestão Omnipresente.

Screenshots

Keyinvoice App3 screens

Keymaster3 screens

Verdict

The call

The clearest difference is device support: Keyinvoice App at 3 against Keymaster's —. On price, update cadence, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Keyinvoice App ships an update every 6 weeks, Keymaster every 2 months. The most recent releases landed on October 12, 2026 and September 24, 2026 respectively.

Scorecard1 real difference · 5 level

Keyinvoice App versus Keymaster: the parameters behind the verdict, then further details
Parameter	Keyinvoice App	Keymaster
Price	Free	Free
Update frequency	Every 6 weeks — better	Every 2 months
Ads	No	—
In-app purchases	No	No
Devices	iPhone, iPad, iPod — better	—
Requires iOS	15	15.0
Further details — not scored
Size	14 MB	7 MB
Age rating	17+	4+
Developer	T & T-TELEMATICA E TECNOLOGIAS DE INFORMACAO, UNIPESSOAL, LDA	ACORDO CERTO 2, UNIPESSOAL, LDA

In-app purchases

None

Keyinvoice App

No in-app purchases

None

Keymaster

No in-app purchases

Questions

Is Keyinvoice App free?

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

Is Keymaster free?

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

Which is updated more often, Keyinvoice App or Keymaster?

Keyinvoice App ships an update every 6 weeks, and Keymaster every 2 months. Most recently, Keyinvoice App was updated on October 12, 2026 and Keymaster on September 24, 2026.