Comparison

Machine Defender vs MultiSens

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

Head to head
About

Machine Defender

This app, used with a wireless vibration sensor, collects and analyzes vibration data from industrial rotating machinery. It automatically detects faults in components like motors and pumps, providing diagnostic reports and maintenance recommendations.

Highlights
  • Wireless vibration data collection
  • Automatic fault detection with AI
  • Machine health assessment
  • Maintenance recommendations
  • Report storage and sharing
  • Cloud platform connectivity
Features
Read full description

Used in combination with the wireless vibration sensor CAC100800, the ACOEM Machine Defender app helps mechanics to collect vibration data wirelessly and detect faults automatically with the ACOEM Accurex artificial intelligence engine. It is now possible to assess automatically the health of industrial rotating assets and detect faults on various components such as: electric motors, pumps, fans, compressors, gearboxes and more. The vibration measurement settings are automatically defined based on a visual description of the machine kinematics in the field on the mobile device. The user is guided step by step through the whole vibration measurement process, and the ACOEM Accurex automatic diagnostic is performed instantly right in front of the rotating machine and without prior learning phase needed. It provides automatic diagnostic capabilities with overall machinery health assessment, list of faults detected with severity, location on the machine and confidence level, and first level of maintenance recommendation. The following types of defects are managed: bearing or lubrication problem, unbalance, misalignment, structural resonance, pump cavitation, gear defects, shocks or modulation resulting from electrical defects or looseness, other ISO failures such as belt wear, soft foot, nearby disturbance, and more. Results and reports can easily be stored in the app and communicated through native features of the mobile device. It can also be connected to the ai.acoem.com cloud platform, centralizing vibration diagnostics reports, laser alignment reports, data trending and maintenance tasks management. The ACOEM Machine Defender app empowers mechanics to easily improve industrial plant reliability and performance with modern maintenance solutions. To learn more, please visit our website at acoem.com Wireless sensors compatible: CAC1008000

About

MultiSens

This application connects to commercial vibration sensors to perform advanced vibration analysis. It offers various plotting and analysis types, including ODS and fault detection. Data can be stored locally or in the cloud, and measurements can be assigned to an asset tree.

Highlights
  • Time Waveform and Spectrum Plots
  • 3D Vibration Analysis
  • Operating Deflection Shape Analysis (ODS)
  • Fault Detection
  • Vibration Logger
  • Cloud Data Storage
Features
Read full description

The app is designed to connect to a variety of commercial vibration sensors (wired & wireless) and to perform different types of vibration analysis, such as: - Time Waveform and Spectrum Plots (Including Cursors for high peaks, cpm and sidebands) - Spectrum Difference Analysis - 3D Vibration Analysis - Operating Deflection Shape Analysis (ODS) - Coast-down and ramp-up analysis - Orbit Plots  - Transmissibility Analysis - Polar Time-Waveform - Phase & Amplitude Spectral Analysis - Cross-Spectrum Phase Analysis - Vibration Logger - Bump Test Analysis (System Response Spectrum) - Live Waterfall Spectrum Analysis - Machine Certification - ODS Analysis - Fault Detection Data and Reports can be stored on the device or in the cloud for further analysis. Take out-of-route measurements (offline & online) and assign it to any point in your asset tree. The asset tree can have as many levels as you require. Note: Although the app will run for iOS versions 11 and above, we recommend iOS 13 or higher for better performance

Screenshots

Machine Defender4 screens

Verdict

The call

The clearest difference is update cadence: MultiSens at monthly against Machine Defender's every 8 months. Machine Defender's advantage is device support (3 vs 1) and iOS requirement (12.1 vs 16.6). 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

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

On the App Store both sit at effectively the same score — 5.0 for Machine Defender against 5.0 for MultiSens. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

UpkeepUpdate frequency

Machine Defender ships an update every 8 months, MultiSens monthly. The most recent releases landed on October 17, 2026 and October 10, 2026 respectively.

Scorecard3 real differences · 6 level
Machine Defender versus MultiSens: the parameters behind the verdict, then further details
ParameterMachine DefenderMultiSens
PriceFreeFree
Rating5.0 (1 ratings)5.0 (1 ratings)
Number of ratings11
Update frequencyEvery 8 monthsMonthly — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPod — betteriPad
Requires iOS12.1 — better16.6
Further details — not scored
Size274 MB34 MB
Age rating4+4+
DeveloperACOEM GroupSens-OS

Customer experience

Machine Defender

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

MultiSens

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

In-app purchases

None

Machine Defender

No in-app purchases

None

MultiSens

No in-app purchases

Questions

Is Machine Defender free?
Machine Defender is free to download, with no in-app purchases.
Is MultiSens free?
MultiSens is free to download, with no in-app purchases.
Which has better reviews, Machine Defender or MultiSens?
Machine Defender and MultiSens are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.
Do Machine Defender or MultiSens have ads?
Neither Machine Defender nor MultiSens shows ads.
Which is updated more often, Machine Defender or MultiSens?
Machine Defender ships an update every 8 months, and MultiSens monthly. Most recently, Machine Defender was updated on October 17, 2026 and MultiSens on October 10, 2026.

Other comparisons