Comparison

CertOps vs Usiminas

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

Head to head

CertOps

Free

💼 Business

★ 3.68 ratingsView app →

About

CertOps

This business application allows partners to manage product certification processes. A valid Certification Center account is necessary to access its features and functionalities.

Highlights

Product certification management
Partner access
Certification Center integration
Mobile accessibility

Features

Read full description

The CertOps Mobile application is for partners to use throughout product certification. A valid Certification Center account is required to use this application.

About

Usiminas

Features

Read full description

A Extranet Mobile é mais um canal de interação entre Usiminas e seus Clientes.

Screenshots

CertOps4 screens

Usiminas4 screens

Verdict

The call

The clearest difference is update cadence: Usiminas at every 2 months against CertOps's every 14 months. Usiminas also leads on iOS requirement (11.0 vs 13.0). On price, ads, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

CertOps ships an update every 14 months, Usiminas every 2 months. The most recent releases landed on August 12, 2026 and September 12, 2026 respectively.

Scorecard2 real differences · 8 level

CertOps versus Usiminas: the parameters behind the verdict, then further details
Parameter	CertOps	Usiminas
Price	Free	Free
Rating	3.6 (8 ratings) — better	—
Positive reviews	28.6% of reviews	—
Number of ratings	8 — better	—
Update frequency	Every 14 months	Every 2 months — better
Ads	No	No
In-app purchases	No	No
Monetization	Free	—
Devices	iPhone, iPod	iPhone, iPad, iPod — better
Requires iOS	13.0	11.0 — better
Further details — not scored
Size	18 MB	47 MB
Age rating	4+	4+
Developer	PlayStation Mobile Inc.	Usinas Siderurgicas de Minas Gerais S.A.

In-app purchases

None

CertOps

No in-app purchases

None

Usiminas

No in-app purchases

Questions

Is CertOps free?

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

Is Usiminas free?

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

Do CertOps or Usiminas have ads?

Neither CertOps nor Usiminas shows ads.

Which is updated more often, CertOps or Usiminas?

CertOps ships an update every 14 months, and Usiminas every 2 months. Most recently, CertOps was updated on August 12, 2026 and Usiminas on September 12, 2026.