MEAX Pen vs Flatness
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
MEAX Pen
This application facilitates high-precision measurements of mechanical components using specialized sensors. It guides users through measurement tasks, simplifies result evaluation, and allows for easy documentation and sharing of findings. Measurements can be performed safely from a distance.
- High-precision measurements
- Run-out and distance measurements
- Guided measurement steps
- Simplified result evaluation
- Easy documentation and sharing
- Bluetooth connectivity
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This is a companion app for performing high precision measurements of machinery or other mechanical components. The app can be used for run-out measurements on rotating machine components or relative distance measurements, using the MEAX Pen products. The app guides the user through the different steps in the measurement task and simplifies the evaluation of the results. The app makes it possible to easily document and share the results. Together with the Meax Pen sensors this simplifies the otherwise cumbersome and time consuming task to perform measurements on moving parts inside the machining area, where safety regulations normally set limitations to what you can measure. By using the app and the Meax Pen sensor, these kinds of measurements can be done at a safe distance and with the machine doors closed. ---- Note: This app works only with the MEAX Pen sensors ---- Key Features - Connected using Bluetooth®. Requires Bluetooth 4.0 - Intuitive user interface, all symbols and graphics – no text - Possible to share the measurement result using e-mail. Visit the website www.meax.com for more information, MEAX Pen products and support on the app.
Flatness
This app facilitates precise rectangular flatness measurements for applications like motor and pump foundations. It guides users through the entire measurement and alignment process when connected to an AT-400 Ultimate with an M9 sensor via Bluetooth. Generate instant PDF reports of your findings directly on-site.
- Bluetooth connectivity
- Icon-based adaptive user interface
- 3D result views
- Instant PDF report generation
- Guided measurement process
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This is a companion app for performing rectangular flatness measurements, using the AT-400, on typical applications such as a motor and pump foundations. The app guides the user throughout the complete measurement and alignment process when using the Bluetooth® connected ACOEM M9 sensor. This offers an extensive easy to use flatness measurement capability. 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 AT-400 Ultimate with the M9 sensor ---- Key Features: - Connected using Bluetooth® - GuideU: Our patented icon-based and color-coded adaptive user interface - New 3D views of the result - 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 rating: Flatness at 5.0 against MEAX Pen's 1.0. MEAX Pen's advantage is iOS requirement (9.0 vs 12.0). On price, ratings volume, update cadence 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.
Flatness holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.
MEAX Pen ships an update every 12 months, Flatness every 16 months. The most recent releases landed on June 24, 2026 and June 10, 2026 respectively.
| Parameter | MEAX Pen | Flatness |
|---|---|---|
| Price | Free | Free |
| Rating | 1.0 (1 ratings) | 5.0 (1 ratings) — better |
| Number of ratings | 1 | 1 |
| Update frequency | Every 12 months — better | Every 16 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 9.0 — better | 12.0 |
| Further details — not scored | ||
| Size | 169 MB | 61 MB |
| Age rating | 4+ | 4+ |
| Developer | Acoem AB | ACOEM Group |
Customer experience
MEAX Pen
Flatness
In-app purchases
MEAX Pen
No in-app purchases
Flatness
No in-app purchases









