CATService vs Easy
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
CATService
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This app requires external measurement hardware to operate. This app is a custom-made app for Caterpillar to conduct engine vibration test and crankshaft deflection test. The vibration test function connects iPad to the Data Acquisition Box and collects in real time the Overall RMS Vibration (Acceleration, Velocity and Displacement). Real time vibration spectrum is also displayed. The crankshaft deflection test function works with Motionics wireless measurement read (WiMER). When the sensor is attached and connected, users can wirelessly capture sensor readings at 5 testing positions on crankshaft via Bluetooth Low Energy. Crank web vertical and horizontal deflections are automatically calculated once 5 readings are collected. Testing report is generated after each test. It also enables importing and merging PDF reports created by other Apps. User can easily get access to saved reports via a report manager. FEATURES: Vibration Test: - Real-Time Overall RMS values - Vibration Signal Spectrum/Waveform - Vibration in Velocity (ips or mm/s) or Acceleration (G's) - User can select from different industrial severity standards - User can define customized alarm and danger values - Signal Averaging option Crankshaft Deflection Test: - Wireless sensor connectivity - Test information editing - Sensor measuring crankshaft rotating angle and indicator showing test positions - Crankshaft end play test included - Auto calculating vertical and horizontal deflections Report Generation: - Test report generation including engine information, measurement values, data plots, note, signature, location information - Email PDF report and wireless printing - Report manager available - Import and merge reports from other Apps
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.
Screenshots
Verdict
The clearest difference is price: Easy at Free against CATService's $450.00. Easy also leads on update cadence (every 2 months vs every 15 months) and device support (3 vs 1). On ads, in-app purchases and iOS requirement 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
Easy is free to download; CATService costs $450.00 up front. Neither carries in-app purchases, so what you see is what you pay.
CATService ships an update every 15 months, Easy every 2 months. The most recent releases landed on October 6, 2026 and October 2, 2026 respectively.
| Parameter | CATService | Easy |
|---|---|---|
| Price | $450.00 | Free — better |
| Rating | — | 3.9 (19 ratings) — better |
| Positive reviews | — | 80.0% of reviews |
| Number of ratings | — | 19 — better |
| Update frequency | Every 15 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPad | iPhone, iPad, iPod — better |
| Requires iOS | 13.0 | 13.0 |
| Further details — not scored | ||
| Size | 13 MB | 518 MB |
| Age rating | 4+ | 4+ |
| Developer | Motionics LLC | Easy-Laser AB |
In-app purchases
CATService
No in-app purchases
Easy
No in-app purchases








