Comparison

Online System vs Prevent

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

Head to head

About

Online System

Features

Read full description

Quer ter uma visão clara da manutenção do seu veículo totalmente gratuita? Gerencie o quanto você tem abastecido o seu veículo, consumo, km rodado, manutenções realizadas e trocas de óleo. Simplificamos todas as informações e controles em uma única tela, simples e rápido. As telas e funções do sistema, foram todas planejadas para oferecer o máximo de praticidade aos nossos usuários.

About

Prevent

Features

Read full description

Aplicativo exclusivo para clientes da Prevent Rastreamento. - Localização em Tempo Real - Comando de Bloqueio/Desbloqueio (se ativado) - Visão da Rua (Street View) - Alertas via Notificações

Screenshots

Online System4 screens

Prevent4 screens

Verdict

The call

Online System and Prevent 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

Online System ships an update every 3 weeks, Prevent monthly. The most recent releases landed on September 23, 2026 and September 8, 2026 respectively.

ScorecardNo meaningful differences

Online System versus Prevent: the parameters behind the verdict, then further details
Parameter	Online System	Prevent
Price	Free	Free
Update frequency	Every 3 weeks — better	Monthly
Ads	No	No
In-app purchases	No	No
Devices	iPhone, iPad, iPod	iPhone, iPad, iPod
Requires iOS	15.1	15.0 — better
Further details — not scored
Size	49 MB	119 MB
Age rating	17+	4+
Developer	Nilton da Costa Teixeira Junior	Rafael Azevedo Medeiros

In-app purchases

None

Online System

No in-app purchases

None

Prevent

No in-app purchases

Questions

Is Online System free?

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

Is Prevent free?

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

Do Online System or Prevent have ads?

Neither Online System nor Prevent shows ads.

Which is updated more often, Online System or Prevent?

Online System ships an update every 3 weeks, and Prevent monthly. Most recently, Online System was updated on September 23, 2026 and Prevent on September 8, 2026.