Comparison

CheatIt vs 鉄筋電卓 − 重量・定尺・配筋・生コン

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

Head to head
About

CheatIt

Access your notes, documents, and photos on your Apple Watch and iPhone. Organize information, attach PDFs and images, and use AI to get summaries and answers from your content. Continue conversations seamlessly between devices.

Highlights
  • Create and organize notes on iPhone and Apple Watch
  • Attach PDFs and photos to notes
  • AI summaries and answers from notes/attachments
  • Cited AI answers for verification
  • Cross-device chat continuity
  • Choice of AI models
Features
Read full description

With CheatIt, you get notes, a PDF viewer, and AI chat on both your iPhone and Apple Watch. Write notes, save PDFs, scan paper, add photos, and keep everything with you. Open files on your Watch, zoom in to read small text, and ask AI about PDFs, scans, and photos when you need an answer. You can use CheatIt for class notes, lecture PDFs, formulas, diagrams, travel details, recipes, work documents, screenshots, tickets, lists, and anything else you want on your phone or wrist. WHAT YOU CAN DO • Create notes on iPhone or Apple Watch • Organize notes with folders • Add photos, take pictures, import PDFs, or scan paper into a PDF • View notes, photos, scans, and PDFs on Apple Watch • Zoom in to read even the smallest text • Ask AI anything from iPhone or Apple Watch • Attach PDFs, scans, and photos for summaries, explanations, and answers • See source citations for supported PDF answers • Continue chats across iPhone and Apple Watch • Choose the AI model that fits the job • Lock sensitive notes with Face ID • Use Blackout Mode on Apple Watch to hide notes fast NOTES, FILES, AND AI IN ONE APP CheatIt keeps notes, files, and AI together. Write something down, attach a file or photo, open it later on your Watch, and ask AI about it without moving everything between different apps or devices. CheatIt refers to cheat sheets: short personal notes for studying, work, and everyday use. This app is intended for productivity and learning. It is not intended to promote or assist with academic dishonesty or breaking rules. Terms of Service: https://dunitapps.github.io/cheat-it-docs/TermsOfService Privacy Policy: https://dunitapps.github.io/cheat-it-docs/PrivacyPolicy

About

鉄筋電卓 − 重量・定尺・配筋・生コン

Features
Read full description

[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.

Screenshots

CheatIt4 screens
鉄筋電卓 − 重量・定尺・配筋・生コン4 screens

Verdict

The call

The clearest difference is update cadence: 鉄筋電卓 − 重量・定尺・配筋・生コン at weekly against CheatIt's monthly. 鉄筋電卓 − 重量・定尺・配筋・生コン also leads on iOS requirement (15.0 vs 26.0). On price, ads, in-app purchases 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. CheatIt sells 2 in-app purchases, starting at $4.99 per month and 鉄筋電卓 − 重量・定尺・配筋・生コン sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

CheatIt ships an update monthly, 鉄筋電卓 − 重量・定尺・配筋・生コン weekly. The most recent releases landed on November 12, 2026 and November 10, 2026 respectively.

Scorecard2 real differences · 8 level
CheatIt versus 鉄筋電卓 − 重量・定尺・配筋・生コン: the parameters behind the verdict, then further details
ParameterCheatIt鉄筋電卓 − 重量・定尺・配筋・生コン
PriceFreeFree
Rating4.0 (2 ratings) — better—
Positive reviews50.0% of reviews—
Number of ratings2 — better—
Update frequencyMonthlyWeekly — better
AdsNoNo
In-app purchasesYesYes
MonetizationFreemium—
DevicesiPhone, Apple WatchiPhone, iPad, iPod — better
Requires iOS26.015.0 — better
Further details — not scored
Size84 MB62 MB
Age rating4+4+
DeveloperIlija IvkovicMoeki Kozawa

In-app purchases

2 purchases

CheatIt

Subscriptions2
  • CheatIt Pro (Monthly)$4.991 Month
  • CheatIt Pro (Yearly)$34.991 Year
1 purchases

鉄筋電卓 − 重量・定尺・配筋・生コン

One-time1
  • Rebar Calc Pro$4.99

Questions

Is CheatIt free?
CheatIt is free to download, with in-app purchases available.
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.
Do CheatIt or 鉄筋電卓 − 重量・定尺・配筋・生コン have ads?
Neither CheatIt nor 鉄筋電卓 − 重量・定尺・配筋・生コン shows ads.
Which is updated more often, CheatIt or 鉄筋電卓 − 重量・定尺・配筋・生コン?
CheatIt ships an update monthly, and 鉄筋電卓 − 重量・定尺・配筋・生コン weekly. Most recently, CheatIt was updated on November 12, 2026 and 鉄筋電卓 − 重量・定尺・配筋・生コン on November 10, 2026.

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