Vertical Shaft Alignment vs O3 ONField
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Vertical Shaft Alignment
This app guides users through the vertical shaft alignment process for motor and pump applications using specific Bluetooth-connected sensors. It facilitates measurement and alignment, and allows for instant PDF report generation on-site.
- Bluetooth sensor connectivity
- Guided measurement and alignment process
- Icon-based adaptive user interface
- Instant PDF report generation
- Works with RT-300/AT-200 sensors
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This is a companion app for performing vertical shaft alignment, using the RT-300/AT-200, on typical applications such as a motor and a pump. 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 and AT-200 ---- Key Features: - Connected using Bluetooth® - GuideU: Our patented icon-based and color-coded adaptive user interface - 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.
O3 ONField
Manage capital projects directly from your mobile device. This app supports industry-leading practices like Advanced Work Packaging (AWP), Agile, and Lean to boost team performance from planning to startup. It enables key workflows, such as IWP progressing, even when offline, ensuring productivity in low-connectivity jobsite environments.
- Mobile capital project management
- Advanced Work Packaging (AWP) support
- Agile and Lean methodologies
- Offline IWP progressing
- Jobsite productivity tools
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O3 ONField brings the power of O3’s capital project management platform directly to your mobile device. Built on industry-leading practices like Advanced Work Packaging (AWP), Agile, and Lean, O3 empowers teams to drive performance from planning through startup. Designed for the realities of the jobsite, ONField enables key workflows—such as IWP progressing—even when offline, ensuring productivity in low-connectivity environments.
Screenshots
Verdict
The clearest difference is update cadence: O3 ONField at fortnightly against Vertical Shaft Alignment's every 6 months. Vertical Shaft Alignment's advantage is iOS requirement (13.0 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 Vertical Shaft Alignment against 5.0 for O3 ONField. Both are backed by a comparable volume of ratings — 1 and 1 respectively.
Vertical Shaft Alignment ships an update every 6 months, O3 ONField fortnightly. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.
| Parameter | Vertical Shaft Alignment | O3 ONField |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) | 5.0 (1 ratings) |
| Number of ratings | 1 | 1 |
| Update frequency | Every 6 months | Fortnightly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 94 MB | 34 MB |
| Age rating | 4+ | 4+ |
| Developer | ACOEM Group | O3 Solutions |
Customer experience
Vertical Shaft Alignment
O3 ONField
In-app purchases
Vertical Shaft Alignment
No in-app purchases
O3 ONField
No in-app purchases
Questions
Is Vertical Shaft Alignment free?
Is O3 ONField free?
Which has better reviews, Vertical Shaft Alignment or O3 ONField?
Do Vertical Shaft Alignment or O3 ONField have ads?
Which is updated more often, Vertical Shaft Alignment or O3 ONField?
Other comparisons
