# RD Align Pro

> Machine alignment calculation and graphical solution tool. (iPhone/iPad app by D&M App Company LLC.)

- Source: https://appshunter.io/ios/app/rd-align-pro/id1326692831 (this page in markdown: same URL + `.md`)
- Developer: [D&M App Company LLC](https://appshunter.io/developer/957195549)
- Category: Productivity
- Price: $9.99 with in-app purchases
- Rating: 5.00/5 from 1 App Store ratings
- Age rating: 4+
- Requires: iOS 12.0 · 33 MB
- Languages: English
- Released: 2018-02-21
- Data updated: 2026-06-24
- Monetization: free with in-app purchases
- User reviews in markdown: https://appshunter.io/ios/app/rd-align-pro/id1326692831/reviews.md

## What is RD Align Pro?

RD Align Pro is a larger version of RD Align - Multiple Machines and Multiple Pairs of Feet.

Expensive laser alignment systems are NOT needed to obtain a precision alignment of a machine set.  Although a laser alignment systems can measure very precisely, the smallest a move a mechanic can make is 0.001" (0.025mm).  The biggest complaint from mechanics using a reverse dial indicator set is performing the graphical solution to determine the required machine moves.
 
Misaligned machines are responsible fro 50%-70% of machine vibration which significantly shortens machine life, increases cost of maintenance, increases of electrical cost, and lowers product quality.
 
RD-Align Pro is a PREMIER ALIGNMENT SYSTEM when combined with a reverse dial indicator set such as the Proaction Alignment System.  For less than $1500, equal or better alignments can be achieved in the same amount of time.
 
RD-Align Pro will illustrate the graphical solution and calculate the required machine move.  The graphical solution provides the mechanic a visualization of the machine set in the measured state.
 
Base version of RD-Align Pro will provide alignment solutions for a 2 machines with 2 pairs of feet/machine.  In app purchase enables alignment solutions for a machine set of 5 machines with 5 pairs of feet/machine.
 
Intuitive interface guides the user through the alignment process.
Step 1: Enter the machine set dimensions.

Step 2: Enter each machines running and stopped temperatures for thermal growth compensated alignment solutions in the vertical direction.  Machine will start out misaligned and "grow" into alignment. (Optional)

Step 3: Enter vertical alignment dial positions to calculate and view the vertical alignment solution.  View the entire machine train to visual whole system.  Pick any 2 feet not on the same machine to determine best alignment solution with smallest moves.

Step 4: Enter horizontal alignment dial positions to calculate and view the horizontal alignment solution.  View the entire machine train to visual whole system.  Pick any 2 feet not on the same machine to determine best alignment solution with smallest moves.​

## Key features

- Graphical solution visualization
- Calculates required machine moves
- Thermal growth compensation
- Supports multiple machines and feet
- Intuitive step-by-step interface
- Optional in-app purchase for larger sets

## Pricing and in-app purchases

Base price: $9.99.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Full Version | $39.99 | one-time |



## Frequently asked questions about RD Align Pro

### What is RD Align Pro?

RD Align Pro is a productivity app designed to assist mechanics with machine alignment. It provides a graphical solution and calculates the precise machine moves needed to achieve optimal alignment, reducing vibration and maintenance costs.

### How does RD Align Pro compare to expensive laser alignment systems?

RD Align Pro aims to achieve equal or better alignments than laser systems for a fraction of the cost. It focuses on simplifying the graphical solution process, which is a common complaint with traditional dial indicator methods.

### What are the benefits of using RD Align Pro?

Using RD Align Pro can significantly reduce machine vibration (responsible for 50-70% of issues), extend machine life, lower maintenance and electrical costs, and improve product quality.

### Does RD Align Pro have ads?

No, RD Align Pro does not contain advertisements, providing an uninterrupted user experience.

### What is the cost of RD Align Pro?

RD Align Pro is available for a one-time purchase of $9.99. Additional functionality for larger machine sets can be unlocked via an in-app purchase.

### What devices does RD Align Pro support?

RD Align Pro is currently supported on iPads, offering a larger screen for its detailed graphical solutions and interface.

### How often is RD Align Pro updated?

RD Align Pro was last updated on July 2, 2024, indicating active development and support from the developer.

### Can RD Align Pro handle thermal growth compensation?

Yes, RD Align Pro allows users to enter running and stopped temperatures to compensate for thermal growth, enabling more accurate vertical alignment solutions.

## Version history (last 5 releases)

### 1.9 — 2024-07-02

Updated for iOS 17

### 1.8 — 2022-03-18

Update for iOS 15
Bug fixes

### 1.7 — 2021-05-16

Updates for iOS 14
Format updates

### 1.6 — 2020-08-18

Updated for iOS 13

### 1.5 — 2019-08-15

Updates for iOS 12.4

Removed question for "D" dimension.
Corrected horizontal moves for first decimal place.
Format updates.

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## More apps by D&M App Company LLC

- [RD Align](https://appshunter.io/ios/app/rd-align/id957195550)
- [Shrink2Fit](https://appshunter.io/ios/app/shrink2fit/id958786604)
- [xPolate](https://appshunter.io/ios/app/xpolate/id975004540)
- [Balance Data](https://appshunter.io/ios/app/balance-data/id979391869)
- [Mulch It!](https://appshunter.io/ios/app/mulch-it/id985836608)
- [Belt Slip](https://appshunter.io/ios/app/belt-slip/id1043894579)

All apps by D&M App Company LLC: https://appshunter.io/developer/957195549

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-24.*