Comparison

Sonar Mobile vs Flatness

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

Head to head
About

Sonar Mobile

Locate Bluetooth devices and monitor environmental conditions in real-time. Gain insights into asset usage and maintenance needs without traditional tracking solutions. Jumpstart your business's digital transformation with this powerful IoT tool.

Highlights
  • Real-time asset location
  • Environmental condition monitoring
  • Bluetooth device tracking
  • Predictive maintenance alerts
  • Asset usage insights
  • Digital transformation tool
Features
Read full description

Easily find assets and monitor environmental conditions from the palm of your hand with Sonar powered by Thinaer. Built on the Thinaer IoT platform, Sonar is the first-ever tool of its kind to see and locate your Bluetooth devices and use them to create a powerful People, Places, and Things view of your business. - What if you could locate your equipment in real-time without leaving your desk? - What if you could monitor and manage environmental conditions from virtually anywhere? - What if your equipment could raise its hand when it needed maintenance? - What if you knew how your assets were being used and could adjust inventory with the click of a button? - What if you could do all that and more without all the overhead of traditional RTLS or RFID tracking solutions? Sonar Mobile, powered by Thinaer. Built for healthcare but agnostic enough for every industry. Download Sonar Mobile and jumpstart your digital transformation.

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.

Screenshots

Sonar Mobile4 screens
Flatness4 screens

Verdict

The call

The clearest difference is rating: Flatness at 5.0 against Sonar Mobile's 4.2. Flatness also leads on iOS requirement (12.0 vs 16.0). Sonar Mobile's advantage is update cadence (every 6 weeks vs every 16 months) and ratings volume (10 vs 1). 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.

ReceptionRating · Positive reviews · Number of ratings

Flatness holds the better App Store score, 5.0 against 4.2. That said, the two scores are not equally well evidenced: Sonar Mobile has 10 ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

Sonar Mobile ships an update every 6 weeks, Flatness every 16 months. The most recent releases landed on June 1, 2026 and June 10, 2026 respectively.

Scorecard4 real differences · 6 level
Sonar Mobile versus Flatness: the parameters behind the verdict, then further details
ParameterSonar MobileFlatness
PriceFreeFree
Rating4.2 (10 ratings)5.0 (1 ratings) — better
Positive reviews100.0% of reviews—
Number of ratings10 — better1
Update frequencyEvery 6 weeks — betterEvery 16 months
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS16.012.0 — better
Further details — not scored
Size46 MB61 MB
Age rating4+4+
DeveloperAdvantix THINaër LLCACOEM Group

Customer experience

Sonar Mobile

All ratings10 ratings
Positive80.0%
Neutral0.0%
Negative20.0%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Flatness

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Sonar Mobile

No in-app purchases

None

Flatness

No in-app purchases

Questions

Is Sonar Mobile free?
Sonar Mobile is free to download, with no in-app purchases.
Is Flatness free?
Flatness is free to download, with no in-app purchases.
Which has better reviews, Sonar Mobile or Flatness?
Flatness is rated higher. Sonar Mobile averages 4.2 out of 5 from 10 ratings, while Flatness averages 5.0 from 1 ratings.
Do Sonar Mobile or Flatness have ads?
Neither Sonar Mobile nor Flatness shows ads.
Which is updated more often, Sonar Mobile or Flatness?
Sonar Mobile ships an update every 6 weeks, and Flatness every 16 months. Most recently, Sonar Mobile was updated on June 1, 2026 and Flatness on June 10, 2026.

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