tab@lign vs SKF ProCollect
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
SKF ProCollect
Transform your mobile device into a powerful maintenance tool. Combine machine inspections and vibration data with expert knowledge for on-the-spot analysis and guidance. Ensure your rotating equipment operates smoothly.
- Mobile maintenance productivity tool
- Machine inspection data collection
- Vibration data analysis
- On-the-spot guidance
- Rotating equipment monitoring
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With SKF ProCollect, your mobile device becomes an essential productivity tool for maintenance. Together with SKF’s knowledge, machine inspections and vibration data are combined to provide on the spot analysis and guidance to ensure that your rotating equipment runs as planned. This easy-to-use tool can be used by both novices and experts alike.
Screenshots
Verdict
The clearest difference is update cadence: SKF ProCollect at fortnightly against tab@lign's every 10 months. tab@lign's advantage is review sentiment (83% vs 67%) and iOS requirement (7.0 vs 15.0). On price, rating, ratings volume and ads 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.
On the App Store both sit at effectively the same score — 5.0 for tab@lign against 5.0 for SKF ProCollect. Both are backed by a comparable volume of ratings — 2 and 1 respectively. Written reviews are what separate them: 83% of tab@lign's written reviews are positive against 67% of SKF ProCollect's.
tab@lign ships an update every 10 months, SKF ProCollect fortnightly. The most recent releases landed on October 6, 2026 and October 15, 2026 respectively.
| Parameter | tab@lign | SKF ProCollect |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) | 5.0 (1 ratings) |
| Positive reviews | 83.3% of reviews — better | 66.7% of reviews |
| Number of ratings | 2 — better | 1 |
| Update frequency | Every 10 months | Fortnightly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 7.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 41 MB | 181 MB |
| Age rating | 4+ | 4+ |
| Developer | PRÜFTECHNIK AG | SKF |
Customer experience
tab@lign
SKF ProCollect
In-app purchases
tab@lign
No in-app purchases
SKF ProCollect
No in-app purchases








