Crane Loader vs TrueDim
Price, ratings, monetisation and update history for both apps, side by side ā with what reviewers say about each.
Crane Loader
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Tower Crane Companion The ultimate tool for tower crane professionals! Designed for construction workers, crane operators, riggers, and site managers, this app provides instant access to a database of over 200 load charts for various tower crane models. Define Your Crane: Select your crane model and configuration with ease. Quick Calculations: Enter a radius to get the maximum load capacity instantly. Save Favorites: Bookmark frequently used models for quick access. Streamline your construction site operations with precision and efficiency. Download now and elevate your crane management experience!
TrueDim
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TrueDim is the measurement-grade PDF markup app for people who work from drawings. REQUIRES A FETZER WORK ACCOUNT TrueDim is the field and shop tool for Fetzer Architectural Woodwork. Signing in with a Fetzer work email is required to use the app. Accounts are issued by the company ā there is no public sign-up, and the app cannot be used without one. Most PDF tools treat a sheet like a page of text. TrueDim treats it like what it is ā linework at a scale, with a job riding on the numbers. DIMENSIONS WITH A SPINE ⢠Witness legs with per-leg trims, five cap styles, and endpoint tags (VIF, AFF, CL and friends) ⢠Multi-reading dimensions with a live readings table ⢠Stable D-numbers and a dimension schedule that jumps to any dim on the sheet VERIFY AGAINST THE SHEET ⢠Tap a printed scale note to adopt it ⢠Tap a printed dimension to capture it as a live dimension ⢠No text layer? Calibrate with two snapped clicks and a known length SNAPS TO THE REAL LINEWORK ⢠Endpoints, intersections, and perpendicular tracking are read from the sheet's own vector geometry ā the mark lands where the line actually is CHECK SETS THAT ROUTE THEMSELVES ⢠Identity-locked ink for every reviewer ⢠Move a set on and the work orders on that drawing follow the routing ⢠Email notifications and the in-app Check Sets inbox keep the review moving without paper on anyone's desk ONE FILE, EVERY DEVICE ⢠Marks live inside the PDF itself ā a sheet marked on iPad opens live and editable on the desktop apps, and back again ⢠Apple Handoff: an open review follows you between your devices THE ORIGINAL STAYS PRISTINE ⢠Autosave writes to a verified working copy; the pristine sheet is never rewritten ⢠Export flattened for the record, editable for the next reviewer, or clean Full markup kit: pen, highlighter, regions, polylines, polygons, clouds, callouts, text, photos, stamps, counts, and areas ā with per-tool remembered styles and undo/redo everywhere. YOUR DRAWINGS STAY ON YOUR DEVICE Once you have signed in on a device, drawing and measuring keep working with no network. Your documents and marks are stored on the device; signing in carries only your name and work email. Built by Fetzer Architectural Woodwork ā for people who build from drawings.
Screenshots
Verdict
The clearest difference is update cadence: TrueDim at weekly against Crane Loader's every 4 months. Crane Loader's advantage is iOS requirement (12.4 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price Ā· Rating Ā· Positive reviews Ā· Number of ratings Ā· Update frequency Ā· Ads Ā· In-app purchases Ā· Monetization Ā· Best chart rank Ā· Devices Ā· Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Crane Loader ships an update every 4 months, TrueDim weekly. The most recent releases landed on September 29, 2026 and October 8, 2026 respectively.
| Parameter | Crane Loader | TrueDim |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 4 months | Weekly ā better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 12.4 ā better | 17.0 |
| Further details ā not scored | ||
| Size | 20 MB | 4 MB |
| Age rating | 4+ | 4+ |
| Developer | ARAD CRANES & BUILDING EQUIPMENT (1997) LTD. | CASEY ROBERT KLEINMAN |
In-app purchases
Crane Loader
No in-app purchases
TrueDim
No in-app purchases









