Easy vs Cat® Power OnSite
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- 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
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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.
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.
- Wireless engine data transfer
- CAN/J1939 data link connection
- Maximize asset value
- Fleet management support
- Requires specific dongle
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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
Verdict
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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
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.
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.
| Parameter | Easy | Cat® Power OnSite |
|---|---|---|
| Price | Free | Free |
| Rating | 3.9 (19 ratings) — better | 3.7 (3 ratings) |
| Positive reviews | 80.0% of reviews — better | 0.0% of reviews |
| Number of ratings | 19 — better | 3 |
| Update frequency | Every 2 months — better | Every 3 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 | 13.0 |
| Further details — not scored | ||
| Size | 518 MB | 30 MB |
| Age rating | 4+ | 4+ |
| Developer | Easy-Laser AB | Caterpillar Inc. |
Customer experience
Easy
Cat® Power OnSite
In-app purchases
Easy
No in-app purchases
Cat® Power OnSite
No in-app purchases
Questions
Is Easy free?
Is Cat® Power OnSite free?
Which has better reviews, Easy or Cat® Power OnSite?
Do Easy or Cat® Power OnSite have ads?
Which is updated more often, Easy or Cat® Power OnSite?
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