Comparison

鉄筋電卓 − 重量・定尺・配筋・生コン vs Quick3D CAD Viewer

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

Head to head
About

鉄筋電卓 − 重量・定尺・配筋・生コン

Features
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[Built for rebar, formwork and site crews] Run the numbers on site. Enter the bar size and length for total weight, the span and pitch for bar count, and get stock-cut loss, concrete volume and mixer-truck count from your phone. [What it calculates] - Rebar weight: total weight from size (D10-D51), length and count (JIS nominal unit mass) - Stock-cut & loss: required stock bars, offcut and loss rate - Spacing to count: bar count and actual pitch from span, pitch and end clearance - Concrete volume: volume and mixer-truck count from member size x qty and loss - Lap / development length: required length from size and multiplier (editable quick table) - Unit convert: tsubo, square meters, jo, shaku, kg, t [Takeoff (Pro)] Group line items by bar size, sum the total weight, and share as a PDF. [Privacy & offline] All data stays on your device. No servers, no logins, no ads, no required network. [Pricing] The basic calculators are free. The Pro upgrade (one-time, no subscription) unlocks the takeoff sheet, takeoff PDF export, unlimited saved history and the company-logo feature. Note: results are an aid. Always confirm final ordering and construction against the drawings, standards and specifications.

About

Quick3D CAD Viewer

Features
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Quick3D Viewer 3D CAD Viewing Made Simple. Quick3D Viewer is a free 3D model viewer for iPhone and iPad. Open and explore a wide range of 3D files, including STEP, IGES, STL, OBJ, and more, right from your mobile device. Whether you're on the factory floor, meeting with clients, or away from your desk, Quick3D Viewer makes it easy to inspect 3D models wherever you go. Key Features ■ Supports Multiple 3D File Formats View STEP / STP, IGES / IGS, STL, OBJ, PLY, 3MF, GLB, and USDZ files. ■ Intuitive 3D Navigation Rotate, zoom, and pan models using simple touch gestures. Explore your designs from different angles. ■ Full-Screen Viewing Hide banner ads in full-screen mode and enjoy more space to inspect your 3D models. ■ Designed for iPhone and iPad View 3D models on your phone or tablet, wherever your work takes you. Perfect For - Inspecting 3D models on the factory floor - Reviewing CAD designs and engineering projects - Sharing designs during meetings - Checking models for 3D printing - Viewing CAD files while on the go 3D CAD in Your Pocket. Make 3D viewing easier with Quick3D Viewer.

Screenshots

鉄筋電卓 − 重量・定尺・配筋・生コン4 screens
Quick3D CAD Viewer4 screens

Verdict

The call

The clearest difference is in-app purchases: Quick3D CAD Viewer at none against 鉄筋電卓 − 重量・定尺・配筋・生コン's 1. 鉄筋電卓 − 重量・定尺・配筋・生コン's advantage is ads (none vs shown) and iOS requirement (15.0 vs 18.6). On price, update cadence 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. 鉄筋電卓 − 重量・定尺・配筋・生コン sells 1 one-off in-app purchase. Quick3D CAD Viewer asks for nothing beyond the download.

UpkeepUpdate frequency

鉄筋電卓 − 重量・定尺・配筋・生コン ships an update weekly, Quick3D CAD Viewer every 2 weeks. The most recent releases landed on October 28, 2026 and October 29, 2026 respectively.

Scorecard3 real differences · 3 level
鉄筋電卓 − 重量・定尺・配筋・生コン versus Quick3D CAD Viewer: the parameters behind the verdict, then further details
Parameter鉄筋電卓 − 重量・定尺・配筋・生コンQuick3D CAD Viewer
PriceFreeFree
Update frequencyWeekly — betterEvery 2 weeks
AdsNo — betterYes
In-app purchasesYesNo — better
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.0 — better18.6
Further details — not scored
Size62 MB28 MB
Age rating4+4+
DeveloperMoeki KozawaRyo Tazaki

In-app purchases

1 purchases

鉄筋電卓 − 重量・定尺・配筋・生コン

One-time1
  • Rebar Calc Pro$4.99
None

Quick3D CAD Viewer

No in-app purchases

Questions

Is 鉄筋電卓 − 重量・定尺・配筋・生コン free?
鉄筋電卓 − 重量・定尺・配筋・生コン is free to download, with in-app purchases available.
Is Quick3D CAD Viewer free?
Quick3D CAD Viewer is free to download, with no in-app purchases.
Do 鉄筋電卓 − 重量・定尺・配筋・生コン or Quick3D CAD Viewer have ads?
Quick3D CAD Viewer shows ads; 鉄筋電卓 − 重量・定尺・配筋・生コン does not.
Which is updated more often, 鉄筋電卓 − 重量・定尺・配筋・生コン or Quick3D CAD Viewer?
鉄筋電卓 − 重量・定尺・配筋・生コン ships an update weekly, and Quick3D CAD Viewer every 2 weeks. Most recently, 鉄筋電卓 − 重量・定尺・配筋・生コン was updated on October 28, 2026 and Quick3D CAD Viewer on October 29, 2026.

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