Comparison

CrankSense vs Pre

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

Head to head
About

CrankSense

Features
Read full description

*******IMPORTANT NOTE******** This App requires external measurement hardware to operate. Contact info@motionics.com for more information. This App works with Motionics wireless crankshaft deflection gage kit. Using the angular position information from the built-in angle sensor of crankshaft gage, this App notifies users when the crankshaft rotates to one of the 5 testing positions. By tapping on the highlighted buttons, users can wirelessly capture deflection readings via Bluetooth Low Energy. Crank web vertical and horizontal deflections are automatically calculated once 5 readings are collected. This App also provides an easy way to generate and manage crankshaft deflection reports. FEATURES: - Wireless sensor connectivity - Test information editing - Sensor measuring crankshaft rotating angle and indicator showing test positions - Crankshaft end play test included - Auto calculating vertical and horizontal deflections - Test report generation including engine information, measurement values, calculated defections, note, signature, location information - Email PDF report and wireless printing - Report manager available

About

Pre

This app guides users through pre-alignment tasks using a connected Bluetooth probe. It allows measurement and recording of run-out, bearing clearance, and soft foot, with the ability to generate instant PDF reports.

Highlights
  • Bluetooth connectivity
  • Icon-based adaptive user interface
  • Measure and record Run-Out
  • Measure and record Bearing Clearance
  • Measure and record True SoftCheck
  • Generate instant PDF reports
Features
Read full description

This is a companion app for performing pre-alignment tasks, using the RT-300/AT-10. The app guides the user through the complete pre-alignment process when using the Bluetooth® connected ACOEM Run-Out Probe. This offers a complete pre-alignment package, including the possibility to measure and record Run-Out, Bearing Clearance, and True SoftCheck. The PDF Report function provides a fast on-site reporting capability by converting saved measurement reports into PDF files. ---- Note: This app works with the ACOEM Run-Out Probe ---- Key Features: - Connected using Bluetooth® - GuideU: Our patented icon-based and color-coded adaptive user interface - Measure and record Run-Out, Bearing Clearance and True SoftCheck. - True SoftCheck - soft foot measurements directly on the feet of the machine. - 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

Pre4 screens

Verdict

The call

The clearest difference is device support: Pre at 3 against CrankSense's 1. CrankSense's advantage is iOS requirement (9.0 vs 13.0). On price, update cadence, ads and in-app purchases 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.

UpkeepUpdate frequency

CrankSense ships an update every 6 months, Pre every 7 months. The most recent releases landed on September 5, 2026 and June 24, 2026 respectively.

Scorecard2 real differences · 7 level
CrankSense versus Pre: the parameters behind the verdict, then further details
ParameterCrankSensePre
PriceFreeFree
Rating—5.0 (1 ratings) — better
Number of ratings—1 — better
Update frequencyEvery 6 months — betterEvery 7 months
AdsNoNo
In-app purchasesNoNo
Monetization—Free
DevicesiPadiPhone, iPad, iPod — better
Requires iOS9.0 — better13.0
Further details — not scored
Size20 MB67 MB
Age rating4+4+
DeveloperMotionics LLCACOEM Group

In-app purchases

None

CrankSense

No in-app purchases

None

Pre

No in-app purchases

Questions

Is CrankSense free?
CrankSense is free to download, with no in-app purchases.
Is Pre free?
Pre is free to download, with no in-app purchases.
Do CrankSense or Pre have ads?
Neither CrankSense nor Pre shows ads.
Which is updated more often, CrankSense or Pre?
CrankSense ships an update every 6 months, and Pre every 7 months. Most recently, CrankSense was updated on September 5, 2026 and Pre on June 24, 2026.

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