Comparison

Easy vs Cat® Power OnSite

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

Head to head
About

Easy

This app works with specialized hardware to align rotating machinery and belt drives. It offers guided measurement processes, generates reports in PDF and Excel, and includes a searchable user manual. A demo mode allows testing functionality without the hardware.

Highlights
  • All measurement programs in one app
  • Intuitive step-by-step guidance
  • PDF and Excel report generation
  • Include photos and digital signatures in reports
  • Searchable user manual
  • Virtual demo detectors
Features
Read full description

The Easy-Laser® XT Alignment App is used together with the Easy-Laser XT alignment systems. With this combination, you align shafts, couplings, and other rotating machinery, as well as belt drives. Without the hardware, you can still use the app in demo mode to test the functionality. KEY FEATURES • Get all measurement programs in one single app. • The intuitive user interface guides you through the measurement process step by step. • A report is generated in PDF and Excel format. You can include photos with the report, add a digital signature, and share it. • The searchable user manual opens the relevant chapter depending on where in the process you are. • Virtual demo detectors allow you to experience the easy alignment process before you purchase the measuring units. HARDWARE • XT measuring units for shaft alignment – rugged, dust and waterproof according to both IP66 and IP67. Operating times are up to 24 hours of continuous use. • Digital belt alignment tool XT190. • Vibrometer XT280. COMPATIBILITY Verified to work on: • iOS 13/iPadOS 13 or newer This app is designed to work together with the Easy-Laser XT alignment products. They can be purchased separately from your local Easy-Laser distributor. For more information, please visit our web site.

About

Cat® Power OnSite

Connect to your engine wirelessly to transfer data to your mobile device. This app helps maximize the value of your assets, regardless of fleet size or digital experience. Requires a specific dongle to function.

Highlights
  • Wireless engine data transfer
  • CAN/J1939 data link connection
  • Maximize asset value
  • Fleet management support
  • Requires specific dongle
Features
Read full description

Use the Caterpillar Power OnSite app and dongle to connect with your engine via the CAN/J1939 data link to wirelessly transfer data to your mobile device. Caterpillar created the Power OnSite app specifically for customers to provide information to help you get the most value from your Caterpillar solution. No matter the size of your fleet or level of experience with digital technology, the Power OnSite app will help you maximize the value of your assets. "Requires Cat Part Number 572-8499". This part can be ordered from this link : https://shop.cat.com/en/usa-parts/572-8499 (Buy direct within U.S) https://parts.cat.com/en/catcorp/572-8499 (Outside U.S - purchase through dealer) App requires access permissions to BlueTooth and Location.

Screenshots

Easy4 screens
Cat® Power OnSite4 screens

Verdict

The call

The clearest difference is review sentiment: Easy at 80% against Cat® Power OnSite's 0%. Easy also leads on rating (3.9 vs 3.7) and update cadence (every 2 months vs every 3 months). On price, ads, in-app purchases and monetization model 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.

ReceptionRating · Positive reviews · Number of ratings

Easy holds the better App Store score, 3.9 against 3.7. That said, the two scores are not equally well evidenced: Easy has 19 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 80% of Easy's written reviews are positive against 0% of Cat® Power OnSite's.

UpkeepUpdate frequency

Easy ships an update every 2 months, Cat® Power OnSite every 3 months. The most recent releases landed on October 24, 2026 and October 26, 2026 respectively.

Scorecard4 real differences · 6 level
Easy versus Cat® Power OnSite: the parameters behind the verdict, then further details
ParameterEasyCat® Power OnSite
PriceFreeFree
Rating3.9 (19 ratings) — better3.7 (3 ratings)
Positive reviews80.0% of reviews — better0.0% of reviews
Number of ratings19 — better3
Update frequencyEvery 2 months — betterEvery 3 months
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.013.0
Further details — not scored
Size518 MB30 MB
Age rating4+4+
DeveloperEasy-Laser ABCaterpillar Inc.

Customer experience

Easy

All ratings18 ratings
Positive77.8%
Neutral0.0%
Negative22.2%
Written reviews5 reviews
Positive80.0%
Neutral0.0%
Negative20.0%

Cat® Power OnSite

All ratings3 ratings
Positive66.7%
Neutral0.0%
Negative33.3%
Written reviews2 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

None

Easy

No in-app purchases

None

Cat® Power OnSite

No in-app purchases

Questions

Is Easy free?
Easy is free to download, with no in-app purchases.
Is Cat® Power OnSite free?
Cat® Power OnSite is free to download, with no in-app purchases.
Which has better reviews, Easy or Cat® Power OnSite?
Easy is rated higher. Easy averages 3.9 out of 5 from 19 ratings, while Cat® Power OnSite averages 3.7 from 3 ratings.
Do Easy or Cat® Power OnSite have ads?
Neither Easy nor Cat® Power OnSite shows ads.
Which is updated more often, Easy or Cat® Power OnSite?
Easy ships an update every 2 months, and Cat® Power OnSite every 3 months. Most recently, Easy was updated on October 24, 2026 and Cat® Power OnSite on October 26, 2026.

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