Material Numbers vs Machine Train Alignment
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Material Numbers
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M Numbers: Quick lookup of base metal weldability grouping numbers (Material Numbers) for welding procedure and performance qualification. Data is provided by C-spec from the master source used for generation, proof-reading and maintenance of AWS B2.1 Table C.1 and C.2.
Machine Train Alignment
This app guides users through machine train shaft alignment using Bluetooth-connected sensors. It offers an adaptive interface and a VertiZontal™ feature for simultaneous vertical and horizontal adjustments. Generate instant PDF reports for on-site documentation.
- Bluetooth connectivity
- Adaptive user interface
- VertiZontal™ adjustment
- Instant PDF reporting
- Guided measurement process
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This is a companion app for performing shaft alignment, using the RT 300/AT400/AT300 on machine train applications. The app guides the user throughout the complete measurement and alignment process when using the Bluetooth® connected ACOEM sensors. The PDF Report function provides a fast on-site reporting capability by converting saved measurement reports into PDF files. ---- Note: This app works only with the ACOEM RT-300, AT400/AT-300 ---- Key Features: - Connected using Bluetooth® - GuideU: Our patented icon-based and color-coded adaptive user interface - VertiZontal™: adjust the machine both vertically and horizontally without re-measuring - Create an instant PDF-report Visit the website www.acoem.com for more information on alignment in general, the ACOEM tools and support of the app.
Screenshots
Verdict
The clearest difference is update cadence: Material Numbers at every 2 days against Machine Train Alignment's every 9 months. On price, ads, in-app purchases and device support 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.
Material Numbers ships an update every 2 days, Machine Train Alignment every 9 months. The most recent releases landed on October 25, 2026 and October 21, 2026 respectively.
| Parameter | Material Numbers | Machine Train Alignment |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Number of ratings | — | 1 — better |
| Update frequency | Every 2 days — better | Every 9 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 | 13.0 |
| Further details — not scored | ||
| Size | 14 MB | 124 MB |
| Age rating | 4+ | 4+ |
| Developer | ASMEIX CORPORATION | ACOEM Group |
In-app purchases
Material Numbers
No in-app purchases
Machine Train Alignment
No in-app purchases
Questions
Is Material Numbers free?
Is Machine Train Alignment free?
Do Material Numbers or Machine Train Alignment have ads?
Which is updated more often, Material Numbers or Machine Train Alignment?
Other comparisons
