Comparison

SKF Vertical shaft alignment vs i6Yun

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

SKF Vertical shaft alignment

This utility app, when paired with specific hardware, enables intuitive and accurate vertical shaft alignments for rotating machines. It guides users through measurements, provides corrective values, and generates detailed reports. A demonstration mode is available for users without the hardware.

Highlights
  • Intuitive vertical shaft alignment
  • Quick three-point measurement guidance
  • Support for various bolt configurations
  • Demonstration mode for trial
  • Automatic alignment report generation
  • Explanatory videos and 3D animations
  • Machine library with QR code scanner
Features
Read full description

The Vertical shaft alignment app is designed to be used with the SKF Shaft Alignment Tool TKSA 51 or TKSA 71. Together, the TKSA alignment tool and the app form an alignment system that allows vertical shaft alignments of many rotating machines to be made in an intuitive and easy way. The system uses line laser to PSD technology that enables highly accurate and reliable shaft alignments. The TKSA 51 or TKSA 71 and the apps communicate wirelessly via Bluetooth®. Without the hardware the app can nonetheless be used, as it features a fully functional demonstration allowing the complete alignment process to be experienced before purchasing a TKSA 71 or TKSA 51. KEY FEATURES: • Very easy-to-use – The Vertical shaft alignment app is designed to make vertical shaft alignments as easy and intuitive as possible, supporting fast and accurate alignment results.  • Quick Three Point Alignment Measurements - Follow the guidance of the app and perform a full 9-12-3 measurement on the vertical shaft. • Support for various bolt configurations – The app supports vertical shaft machines with 4, 6 or 8 bolts on a circular flange mounting and calculates corrective shim values for each bolt position to facilitate the alignment correction. • Demonstration mode – The Vertical shaft alignment app offers a fully functional demonstration mode allowing the complete alignment process to be experienced before purchasing a supported SKF Shaft Alignment Tool. • Automatic alignment report – Automatically generated alignment reports give a complete overview of the alignment process and results. The reports can be customized with additional notes, a machine picture and a signature. The report can easily be shared via email or cloud services. • Easy to follow explanatory videos – Short explanatory videos are available in the help section of the app and show in easy steps how to set up and perform accurate alignment measurements. • 3D Animations – 3D animations guide the user through the alignment process, allowing accurate shaft alignments to be performed in a very easy and intuitive way. • Machine library and QR code scanner – Helps keeping track of the machines that have been measured. Machine information like distances, the machine picture, and other details are saved for each machine and can be reused the next time the same machine is measured. QR codes can be scanned to identify a machine and quickly retrieve its details. The library can also be used for easy access to all the reports generated for each machine in one place. HARDWARE – SKF Shaft Alignment Tool TKSA 51 and TKSA 71:
 The SKF TKSA 51 and TKSA 71 systems use a pair of measurement units that are combined with laser transmitter and detectors to measure and correct shaft alignment with high accuracy and reliability. The data is transferred in real time through Bluetooth® 4.0 LE to the app. IMPORTANT NOTE: This app is designed to be used with the SKF Shaft Alignment Tool TKSA 51 or TKSA 71 hardware. The SKF TKSA 51 and 71 can be purchased separately from your local SKF Authorized Distributor. For more information and technical specifications about the SKF Shaft Alignment Tool, please visit our website.

About

i6Yun

Remotely monitor and manage generator sets from anywhere in the world. View real-time operating data, engine and generator details, and receive maintenance reminders. Includes fault analysis and location tracking.

Highlights
  • Real-time monitoring
  • Dynamic data display
  • Engine and generator details
  • Failure analysis with black box technology
  • Health reports
  • History data charts
  • Unit location tracking
  • Maintenance reminders
Features
Read full description

i6Yun APP, Cloud Generator Sets management mobile version from lixise, no matter where and when, makes you manage the unit more convenient. Main function: 1. real-time monitoring: no matter anywhere in the world, as long as there is a network, you can use the phone to remotely monitor the operating data,the state of the power generation unit and control the operation of generator sets. 2. dynamic display: the dynamic display of the real time state and data is clear at a glance. 3. engine details: real-time display of the detailed data of the engine, to understand whether the engine is working. 4. generator details: real-time display of the detailed data of the generator, to understand whether the engine index is in the normal range. 5. failure details: unit failure, through the black box patented technology and more comprehensive data monitoring, through the graph , for the technical staff to replay the fault before 18 seconds with every second of the data. 6. health report: intelligently obtain and analyze of data, real-time know of the health status of the unit, make maintenance through health report. 7. history details: you can choose to view the details of the unit in the past a period of time, and show the data in charts. 8. unit location: built-in GPS positioning module, real-time display unit location information. 9. maintenance reminder: according to the operation data and the fault records, intelligently analyze of data, and require maintenance by message warning. 10. unit information management: including the details of generator and the controller.

Screenshots

SKF Vertical shaft alignment4 screens
i6Yun4 screens

Verdict

The call

The clearest difference is update cadence: i6Yun at every 3 weeks against SKF Vertical shaft alignment's every 3 months. i6Yun also leads on iOS requirement (13.0 vs 16.6). 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

SKF Vertical shaft alignment ships an update every 3 months, i6Yun every 3 weeks. Both last shipped on November 2, 2026.

Scorecard2 real differences · 8 level
SKF Vertical shaft alignment versus i6Yun: the parameters behind the verdict, then further details
ParameterSKF Vertical shaft alignmenti6Yun
PriceFreeFree
Rating—1.0 (1 ratings) — better
Positive reviews0.0% of reviews—
Number of ratings—1 — better
Update frequencyEvery 3 monthsEvery 3 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS16.613.0 — better
Further details — not scored
Size68 MB87 MB
Age rating4+4+
DeveloperSKFDongguan Tuancheng Automation Equipment Co., Ltd.

Customer experience

SKF Vertical shaft alignment

Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

i6Yun

All ratings1 ratings
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

None

SKF Vertical shaft alignment

No in-app purchases

None

i6Yun

No in-app purchases

Questions

Is SKF Vertical shaft alignment free?
SKF Vertical shaft alignment is free to download, with no in-app purchases.
Is i6Yun free?
i6Yun is free to download, with no in-app purchases.
Do SKF Vertical shaft alignment or i6Yun have ads?
Neither SKF Vertical shaft alignment nor i6Yun shows ads.
Which is updated more often, SKF Vertical shaft alignment or i6Yun?
SKF Vertical shaft alignment ships an update every 3 months, and i6Yun every 3 weeks. Most recently, SKF Vertical shaft alignment was updated on November 2, 2026 and i6Yun on November 2, 2026.

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