Comparison

Flatness vs CV

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

Head to head
About

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.

Highlights
  • Bluetooth connectivity
  • Icon-based adaptive user interface
  • 3D result views
  • Instant PDF report generation
  • Guided measurement process
Features
Read full description

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.

About

CV

Features
Read full description

CV Unit Converter is a professional application designed for accurate conversion of physical and technical units. It is ideal for students, engineers, technicians, and users who require reliable results for everyday and professional use. The app supports a wide range of unit conversions, including: • Length, area, and volume • Mass, force, and pressure • Energy, power, and torque • Speed, time, and temperature All conversions are performed locally on the device, ensuring fast performance, stability, and offline functionality for core features. Key features: • Fast and accurate unit conversions • Clean and intuitive interface optimized for iPhone and iPad • Support for metric, imperial, and technical systems • Smart formatting for very large or very small values • No ads and no interruptions Some advanced categories can be unlocked with a one-time in-app purchase that provides lifetime access. CV Unit Converter is a reliable tool for educational, technical, and practical calculations, developed with a strong focus on precision and usability. Terms of Use: https://victor-ccc.github.io/terms.html

Screenshots

Flatness4 screens
CV3 screens

Verdict

The call

The clearest difference is in-app purchases: Flatness at none against CV's 1. Flatness also leads on iOS requirement (12.0 vs 17.6). On price, ads 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. CV sells 1 one-off in-app purchase. Flatness asks for nothing beyond the download.

Scorecard2 real differences · 7 level
Flatness versus CV: the parameters behind the verdict, then further details
ParameterFlatnessCV
PriceFreeFree
Rating5.0 (1 ratings) — better—
Number of ratings1 — better—
Update frequencyEvery 16 months—
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS12.0 — better17.6
Further details — not scored
Size61 MB4 MB
Age rating4+4+
DeveloperACOEM GroupVictor Hugo Pineda Arizaca

In-app purchases

None

Flatness

No in-app purchases

1 purchases

CV

One-time1
  • Full Lifetime Access$2.99

Questions

Is Flatness free?
Flatness is free to download, with no in-app purchases.
Is CV free?
CV is free to download, with in-app purchases available.
Do Flatness or CV have ads?
Neither Flatness nor CV shows ads.

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