Comparison

Cat® Central vs Qualified by Plenum

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

Head to head
About

Cat® Central

This app provides a centralized platform for managing heavy equipment. It offers tools for finding parts, accessing manuals, diagnosing issues, and tracking machine health. Users can also connect with dealers and access support resources.

Highlights
  • Personalized tools and service recommendations
  • Access operating manuals and maintenance schedules
  • Diagnose fault codes
  • Real-time machine health insights
  • Scan QR codes for parts
  • Order parts and request service
  • Connect with local dealers
Features
Read full description

From finding the right parts to understanding your machine’s health, Cat Central brings together the tools, insights and support you need – all in one place. EVERYTHING YOU NEED, RIGHT WHERE YOU NEED IT • Add your Cat equipment to unlock personalized tools and service recommendations. • Instantly access operating manuals and maintenance schedules. • Access and diagnose fault codes. • Stay ahead with real-time health, fuel, and usage insights. • Track orders, view purchase history and request service from your dealer. FIND PARTS. GET SUPPORT. FAST. • Scan your equipment's QR code to access parts that fit your equipment. • Check inventory and order directly from your dealer. • Watch how-to videos or follow DIY resources with step-by-step instructions you can trust. • Connect with your local dealer or chat with a support expert 24/7. POWERFUL TOOLS ON THE MOVE • Lock in parts pricing by using quotes and share your cart for quick approvals. • Take advantage of financing, customer value agreements, rewards and more. • Seamlessly access other Cat applications like VisionLink, SIS2GO and MyCatFinancial. Download Cat Central and take control of your equipment – anytime, anywhere.

About

Qualified by Plenum

Features
Read full description

Qualified by Plenum is your mobile command center for managing Health, Safety, and Environmental (HSE) programs in the real world — not from behind a desk. Purpose-built for the field, Qualified gives you full control over subcontractor data, qualifications, documents, tasks, and communication — all from your mobile device. Whether you’re managing client-facing projects or internal programs, Qualified simplifies data access, streamlines collaboration, and keeps you focused on what matters: reducing risk, driving accountability, and engaging your teams. Built by safety pros, for safety pros. Create completely custom portals for: - Client and project management - Subcontractor tracking - Document control - Audit and compliance workows... and more - Key Features: Custom, multi-use portals with exible conguration - Real-time push notications for updates and mentions - Mobile-first document management: view, search, comment, download - Assign and track tasks by individual or team - Real-time chat and discussion threads - Collaborate seamlessly with internal teams, clients, and subcontractors Qualified makes managing HSE data fast, intuitive, and eld-ready. No more spreadsheets, no more desktop dependency. Just one powerful appthat helps you stay compliant, connected, and in control — wherever work is happening.

Screenshots

Cat® Central4 screens
Qualified by Plenum4 screens

Verdict

The call

The clearest difference is update cadence: Cat® Central at every 3 weeks against Qualified by Plenum's every 9 months. 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

Cat® Central ships an update every 3 weeks, Qualified by Plenum every 9 months. The most recent releases landed on October 27, 2026 and October 25, 2026 respectively.

Scorecard1 real difference · 9 level
Cat® Central versus Qualified by Plenum: the parameters behind the verdict, then further details
ParameterCat® CentralQualified by Plenum
PriceFreeFree
Rating4.6 (4.3K ratings) — better—
Positive reviews43.1% of reviews—
Number of ratings4.3K — better—
Update frequencyEvery 3 weeks — betterEvery 9 months
AdsNoNo
In-app purchasesNoNo
MonetizationFree with in-app purchases—
DevicesiPhone, iPadiPhone, iPad
Requires iOS16.4 — better17.0
Further details — not scored
Size138 MB27 MB
Age rating4+4+
DeveloperCaterpillar Inc.Plenum Solutions, LLC

Bugs and requests

Cat® Central

Reported bugs

3 issues
  • App crashes when changing equipment
  • Login issues, password expired
  • Locks up after gathering personal info

Requested features

3 requests
  • Audible operation manuals
  • Accommodate old models
  • Dark mode option

Qualified by Plenum

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Cat® Central

No in-app purchases

None

Qualified by Plenum

No in-app purchases

Questions

Is Cat® Central free?
Cat® Central is free to download, with no in-app purchases.
Is Qualified by Plenum free?
Qualified by Plenum is free to download, with no in-app purchases.
Do Cat® Central or Qualified by Plenum have ads?
Neither Cat® Central nor Qualified by Plenum shows ads.
Which is updated more often, Cat® Central or Qualified by Plenum?
Cat® Central ships an update every 3 weeks, and Qualified by Plenum every 9 months. Most recently, Cat® Central was updated on October 27, 2026 and Qualified by Plenum on October 25, 2026.

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