iAlignCalc vs Easy
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
iAlignCalc
This app calculates machine shaft alignment corrections using multiple methods, including two inverted dial, face-rim, and double radial. It also calculates thermal growth and supports angular, parallel, and combined misalignments. Advanced features include PDF report generation with signatures, sketches, audio, and image attachments.
- Two inverted dial method calculations
- Face-rim method calculations
- Double radial method calculations
- Thermal growth calculations
- PDF report generation
- Interactive tolerance tables and charts
- Save and recall alignment sessions
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iAlignCalc is an iPhone/iPad/iPod Touch application to calculate machine shaft alignment corrections. Features: - Calculates machine shaft alignment corrections using the two inverted dial method. - Calculates machine shaft alignment corrections using the face-rim method. - Calculates machine shaft alignment corrections using the double radial method. - Calculates thermal growth for different materials - Can be used for angular, parallel, and combined misalignments New Features in Version 1.2 for iPhone: - Interactive Shaft Alignment Specification: NASA Standard - Interactive Shaft Alignment Tolerance Table - Interactive Shaft Alignment Tolerance Chart - Report Generation Report Features: - PDF report output - Include user signature - Sketch pad to draw - Voice recording and audio attachment - Email PDF report - Save the PDF file on disk to be accessed from computer - Print the PDF to an Airprint - Include the plant location and the map in the PDF - Up to 5 image attachments from camera, library or screenshots of the alignment calculations - Include text and notes - Speech-to-text feature (Available in iPhone 4S only) New Features in Version 1.3 for iPhone: - Users can save the values and calculations for each alignment session and see them in a table based on the date, and name of the machine. Each saved session can be called and viewed later. Disclaimer: iAlignCalc is intended for educational purposes. Although the calculations done by this application were made with great care, it may contain errors or inaccuracies. Using the results of the calculations is the responsibility of the user.
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 rating: iAlignCalc at 5.0 against Easy's 3.9. iAlignCalc also leads on iOS requirement (7.0 vs 13.0). Easy's advantage is update cadence (every 2 months vs every 4 months) and ratings volume (19 vs 2). On price, review sentiment, ads and in-app purchases 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.
iAlignCalc holds the better App Store score, 5.0 against 3.9. That said, the two scores are not equally well evidenced: Easy has 19 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 83% of iAlignCalc's written reviews are positive against 80% of Easy's.
iAlignCalc ships an update every 4 months, Easy every 2 months. The most recent releases landed on September 22, 2026 and June 4, 2026 respectively.
| Parameter | iAlignCalc | Easy |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) — better | 3.9 (19 ratings) |
| Positive reviews | 83.3% of reviews — better | 80.0% of reviews |
| Number of ratings | 2 | 19 — better |
| Update frequency | Every 4 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 7.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 5 MB | 518 MB |
| Age rating | 4+ | 4+ |
| Developer | Motionics LLC | Easy-Laser AB |
Customer experience
iAlignCalc
Easy
In-app purchases
iAlignCalc
No in-app purchases
Easy
No in-app purchases









