tab@lign vs Ariel Torque Guide
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
tab@lign
This app provides a wireless laser shaft alignment system for tablets and smartphones when paired with specific measurement components. It offers accurate and repeatable results for standard shaft alignment and quick checks on machinery like motor-pump combinations.
- Wireless laser shaft alignment
- Bluetooth® communication
- Active Clock measurement
- Live Move monitoring
- Soft foot correction
- Graphical reporting
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Combined with the measurement components from PRÜFTECHNIK including a Bluetooth® module, the tab@lign app composes a wireless laser shaft alignment system for tablets and smart phones. The app is dedicated to standard shaft alignment including quick alignment checks on machines such as a motor-pump combination. Equipped with the PRÜFTECHNIK patented single-laser technology, and offering a high system dependability, tab@lign delivers accurate and repeatable measurement results. Key features include: • 3 steps to alignment Enter dimensions, rotate shafts and display measurement result. • Bluetooth® communication The PRÜFTECHNIK measurement equipment provides high-accuracy measurement data to the Apple device through the Bluetooth® module for a convenient data transmission. • Active Clock measurement During shaft rotation, measurements are automatically taken at 3 sensor positions. A shaft rotation of only as little as 70° is required. The activated electronic inclinometer eliminates possible user error for intelligent and precise alignment. • Result and Live Move Both horizontal and vertical coupling and foot results are automatically calculated and displayed. The graphics show the machine position and the arrows the necessary feet corrections. During Live Move, tab@lign monitors the horizontal changes live on the screen, continuously updating the adjustments. • Soft foot Measure, correct and save soft foot results. • Reporting Measurement results can be immediately shared via email in a clear single-page graphical report to facilitate and shorten the alignment cycle time. In Demo mode, the app can simulate measurement scenarios using the mobile device’s position sensor. PRÜFTECHNIK participates in the “Made For iPhone” (MFi) program and the measurement components together with the Bluetooth® module are certified by Apple Inc. IMPORTANT NOTE: This app requires the measurement components from PRÜFTECHNIK. They can be purchased separately at: http://www.pruftechnik.com/tabalign For more information and technical specifications, please visit: www.pruftechnik.com/tabalign
Ariel Torque Guide
This app provides quick access to fastener torques and clearances for Ariel compressors, serving as an electronic companion to engineering reference documents. It allows users to find specific values based on compressor model, fastener location, and part numbers, even without an internet connection.
- Determine fastener torques and clearances
- Access data offline
- Filter by compressor model, location, and type
- Find clearance values by part number
- Access customer support information
- Link to technical documentation
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Acting as an electronic companion to Ariel’s Engineering Reference Torque documents, the Ariel Torque Guide allows you to quickly and conveniently determine the proper fastener torques and clearances for your Ariel compressor. Torque and clearance values within the app can be accessed without cellular service or Wi-Fi, giving you access to comprehensive Ariel information and support anytime, anywhere. The Ariel Torque Guide allows you to: • Find torque values and clearance values based on your compressor model, fastener location, and fastener type for the compressor you are working on • Find clearance values for piston rings, rider rings, and wearband based on part numbers • Access torque values while working in remote locations • Easily access Ariel Customer Support information • Conveniently link to technical support documentation on the Ariel website • Automatically update when connected to Wi-Fi or cellular data
Screenshots
Verdict
The clearest difference is update cadence: Ariel Torque Guide at every 2 months against tab@lign's every 10 months. Ariel Torque Guide also leads on review sentiment (100% vs 83%) and ratings volume (8 vs 2). tab@lign's advantage is rating (5.0 vs 4.8) and iOS requirement (7.0 vs 15.1). 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.
tab@lign holds the better App Store score, 5.0 against 4.8. Both are backed by a comparable volume of ratings — 2 and 8 respectively. Written reviews complicate that: 83% of tab@lign's written reviews are positive against 100% of Ariel Torque Guide's, so the app with the better star average is not the one people write more warmly about.
tab@lign ships an update every 10 months, Ariel Torque Guide every 2 months. The most recent releases landed on October 6, 2026 and October 1, 2026 respectively.
| Parameter | tab@lign | Ariel Torque Guide |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) — better | 4.8 (8 ratings) |
| Positive reviews | 83.3% of reviews | 100.0% of reviews — better |
| Number of ratings | 2 | 8 — better |
| Update frequency | Every 10 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 | 15.1 |
| Further details — not scored | ||
| Size | 41 MB | 52 MB |
| Age rating | 4+ | 4+ |
| Developer | PRÜFTECHNIK AG | Ariel Corporation |
Customer experience
tab@lign
Ariel Torque Guide
In-app purchases
tab@lign
No in-app purchases
Ariel Torque Guide
No in-app purchases
Questions
Is tab@lign free?
Is Ariel Torque Guide free?
Which has better reviews, tab@lign or Ariel Torque Guide?
Do tab@lign or Ariel Torque Guide have ads?
Which is updated more often, tab@lign or Ariel Torque Guide?
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