Pre vs Energy Auditor Mobile
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- 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
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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.
Energy Auditor Mobile
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Transform your energy auditing workflow with professional-grade tools designed for field engineers and consultants. Create comprehensive audit reports with intuitive SketchPad drawing and capturing photos, equipment data tables, and pump curve calculations. Key Features: • Visual SketchPad with photo integration and precise drawing tools • Customizable equipment and spot-check data tables • Built-in pump curve digitizer with pressure to flow calculation and performance charting • Professional PDF export with embedded images and data • Offline operation - work anywhere without internet Perfect for energy auditors, HVAC technicians, and facility managers who need reliable field documentation tools. Premium subscription unlocks unlimited workbooks and pump curves for large-scale projects. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is in-app purchases: Pre at none against Energy Auditor Mobile's 1. Pre also leads on iOS requirement (13.0 vs 15.1). Energy Auditor Mobile's advantage is update cadence (daily vs every 7 months). 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
Both are free to download. Energy Auditor Mobile sells 1 in-app purchase, starting at $5.99 per month. Pre asks for nothing beyond the download.
Pre ships an update every 7 months, Energy Auditor Mobile daily. The most recent releases landed on October 24, 2026 and October 8, 2026 respectively.
| Parameter | Pre | Energy Auditor Mobile |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 7 months | Daily — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 67 MB | 32 MB |
| Age rating | 4+ | 4+ |
| Developer | ACOEM Group | Kirk May |
In-app purchases
Pre
No in-app purchases
Energy Auditor Mobile
- Energy Auditor App Monthly$5.991 Month
Questions
Is Pre free?
Is Energy Auditor Mobile free?
Do Pre or Energy Auditor Mobile have ads?
Which is updated more often, Pre or Energy Auditor Mobile?
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