Comparison

Web PKI vs SIM Mobile App

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 →

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

SIM Mobile App

Features

Read full description

SIM Mobile App é uma solução perfeita para rastreamento de veículos. Com esse aplicativo os clientes podem ter acesso ao rastreado de onde eles estiverem, oferecendo praticidade, conforto e segurança. Você protege o seu bem material a qualquer momento e em qualquer lugar.

Screenshots

Web PKI1 screens

SIM Mobile App4 screens

Verdict

The call

Web PKI and SIM Mobile App 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

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

Web PKI ships an update every 2 months, SIM Mobile App every 3 months. The most recent releases landed on November 13, 2026 and November 12, 2026 respectively.

ScorecardNo meaningful differences

Web PKI versus SIM Mobile App: the parameters behind the verdict, then further details
Parameter	Web PKI	SIM Mobile App
Price	Free	Free
Rating	1.0 (4 ratings) — better	—
Positive reviews	25.0% of reviews	—
Number of ratings	4 — better	—
Update frequency	Every 2 months — better	Every 3 months
Ads	No	No
In-app purchases	No	No
Monetization	Free	—
Devices	iPhone, iPad, iPod	iPhone, iPad, iPod
Requires iOS	15.0 — better	16
Further details — not scored
Size	31 MB	106 MB
Age rating	4+	17+
Developer	Lacuna Software	SIM – Sistema Integrado De Monitoramento Veicular, Patrimonial e LTDA

In-app purchases

None

Web PKI

No in-app purchases

None

SIM Mobile App

No in-app purchases

Questions

Is Web PKI free?

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

Is SIM Mobile App free?

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

Do Web PKI or SIM Mobile App have ads?

Neither Web PKI nor SIM Mobile App shows ads.

Which is updated more often, Web PKI or SIM Mobile App?

Web PKI ships an update every 2 months, and SIM Mobile App every 3 months. Most recently, Web PKI was updated on November 13, 2026 and SIM Mobile App on November 12, 2026.