Comparison

Construction Calculator A1 vs Letterhead Maker

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

Head to head
About

Construction Calculator A1

This comprehensive tool offers over 500 construction calculators, from basic material quantities to complex bills of quantities. It generates automatic drawings, manages material prices, and provides learning resources for civil engineers and contractors.

Highlights
  • 500+ construction calculators
  • Concrete, rebar, and steel calculations
  • Feet-inch calculator
  • Bill of Quantities (BOQ)
  • Automatic drawings
  • Material price library
  • Unit converter
Features
Read full description

The #1 construction calculator trusted by 1M+ contractors, builders, and engineers worldwide. Construction Calculator A1 — the complete civil engineering toolkit for contractors, builders and engineers. 500+ calculators, from a single slab to a client-ready Bill of Quantities. CONCRETE CALCULATOR • Slabs, footings, columns, beams, stairs, walls & culverts • Instant material quantities: cement bags, sand, aggregate • Mix ratios and grade selection for any specification REBAR & STEEL CALCULATOR • Bar Bending Schedule (BBS) with shape codes and cutting lengths • Weight calculator for metric and US bar sizes (#3–#11) • Lap length, cover & spacing calculations • Steel tonnage for structural estimates FEET-INCHES CALCULATOR • Add, subtract, multiply, divide in feet-inches-fractions • No decimal conversion needed • Running tape you can review and reuse BILL OF QUANTITIES (BOQ) — NEW • Send any calculation straight to a BOQ • Organise by project, track total value and % priced • Professional report with your company header and signature • Export as PDF or Excel AUTOMATIC DRAWINGS — NEW • Calculators draw a dimensioned sketch of what you entered • Brickwork, steel shapes, concrete sections, excavation, stairs • Drawings and a DIMENSIONS panel included in every PDF MATERIAL PRICE LIBRARY — NEW • Store your own rates in your own currency • Rates auto-fill into cost fields across the app • Six regional presets with local materials and units APPLE WATCH APP — NEW • Converter, material weight, volume, diagonal and rebar on your wrist • Prices synced from iPhone, with full calculation history AREA & VOLUME • 50+ shapes: rectangle, circle, triangle, trapezoid, polygons, prisms, cones, spheres and more • Draw Shape and GPS Area for irregular plots • Room area, paint coverage, flooring and excavation volumes UNIT CONVERTER • Length, area, volume, weight, pressure, power, speed, density and more • Construction-specific units throughout LEARN — NEW • Civil engineering articles, checklists and reference charts • Topic quizzes with instant explanations • Daily streaks, XP and achievement badges PROFESSIONAL FEATURES • Save and organise calculations by project, with notes and photos • Share estimates with clients instantly • Construction cost estimator with breakdown charts and quotations • Company branding on every report • Google Drive and iCloud backup, cloud sync across devices • Metric and Imperial, 16 languages, light and dark themes • Works offline — calculations need no internet SUBSCRIPTION INFORMATION Construction Calculator Pro is available as a monthly or yearly auto-renewing subscription, or as a one-time Lifetime purchase. • Payment is charged to your Apple ID account at confirmation of purchase. • Subscriptions renew automatically unless auto-renew is turned off at least 24 hours before the end of the current period. • Your account is charged for renewal within 24 hours prior to the end of the current period, at the rate of your selected plan. • Manage or cancel your subscription in your App Store account settings after purchase. Privacy Policy: https://www.binaryandbricks.com/app/privacypolicy.html Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Built for real job sites. Download now and estimate like a pro.

About

Letterhead Maker

Easily create professional letterheads with your logo and business details. Choose from customizable templates and export your designs as high-quality PDFs. Manage multiple business profiles for different clients or branches.

Highlights
  • Customizable letterhead templates
  • Add logo and business details
  • Manage multiple business profiles
  • Generate and export high-quality PDFs
  • Offline functionality
  • Access saved PDF files
Features
Read full description

Design a professional letterhead on your iPhone in minutes. Pick a template, add your logo and business details, and export a print-ready PDF or a high-quality image. No design skills and no computer needed. WHAT'S NEW - Template categories: browse designs by style - A growing library: new templates and categories arrive without an app update - Auto-saved drafts: close the app any time and pick up exactly where you left off - Re-edit after export: reopen a saved PDF or image, fix it and export again - Layers: hide, lock or duplicate any element - Multi-select: align, resize or restyle several objects together - Change the template background - Nine-point alignment and sharper export quality for printing 100+ LETTERHEAD TEMPLATES Professionally designed letterhead formats, sorted into categories: Creative, Classic, Elegant, Corporate, Minimal, Simple and more. New designs are added regularly. Every template is fully editable. Change text, fonts, sizes, colors, images and backgrounds until it matches your brand. A FULL DESIGN EDITOR, NOT A FORM - Add and edit text with your choice of font, size and color - Bold, italic and underline - Add images and your company logo - Resize any element to exactly the size you want - Rotate to any angle, flip horizontally or vertically - Adjust opacity to fade an element or layer it behind text - Change the template background - Nine position presets for precise placement - Bring forward and send backward - Copy, hide, lock or delete objects - Edit several objects at once with multi-select - Undo and redo SAVED BUSINESS PROFILES Enter your company name, logo, phone, email, website and address once, and every template fills itself in. Run more than one business or work for several clients? Save multiple profiles and switch between them in a tap. EXPORT, SHARE AND PRINT - Export as a print-ready PDF - Export as a high-quality image - Preview before you save - Share by email, Messages, WhatsApp or any app - Every export stays in your Saved list, ready to reopen and edit HOW IT WORKS 1. Choose a template from any category 2. Add your business profile 3. Edit text, colors, images, background and layout 4. Preview, then export as a PDF or image 5. Share or print, and reopen any time to make changes WORKS OFFLINE No internet connection needed. Design, edit and export anywhere. Everything stays on your device. MADE FOR - Small businesses, startups and shops - Freelancers, consultants and agencies - Offices and company correspondence - Law firms and accountants - Doctors, clinics and pharmacies - Real estate agents and contractors - Schools, colleges and training centers - Nonprofits, associations and personal letters WHY LETTERHEAD MAKER - 100+ professional templates, with new ones added regularly - A real editor with layers, opacity, rotation and multi-select - Re-edit any exported letterhead instead of starting over - Drafts save automatically, so your work is never lost - Saved profiles fill in your details for you - Simple enough to use the first time you open it Whether you call it a letterhead, letter pad, company stationery or letter headed paper, this is the fastest way to make one. Create it, export it, print it and send it the same day. Terms of Use: https://codifyappsprivacy.blogspot.com/p/terms-of-use.html

Screenshots

Construction Calculator A14 screens
Letterhead Maker4 screens

Verdict

The call

The clearest difference is update cadence: Construction Calculator A1 at monthly against Letterhead Maker's every 4 months. On price, rating, ratings volume and ads 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. Construction Calculator A1 sells 6 in-app purchases, starting at $2.99 per month and Letterhead Maker sells 2 in-app purchases, starting at $0.99 per 7 days. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.7 for Construction Calculator A1 against 4.6 for Letterhead Maker. Both are backed by a comparable volume of ratings — 29 and 37 respectively.

UpkeepUpdate frequency

Construction Calculator A1 ships an update monthly, Letterhead Maker every 4 months. The most recent releases landed on October 30, 2026 and October 24, 2026 respectively.

Scorecard1 real difference · 9 level
Construction Calculator A1 versus Letterhead Maker: the parameters behind the verdict, then further details
ParameterConstruction Calculator A1Letterhead Maker
PriceFreeFree
Rating4.7 (29 ratings) — better4.6 (37 ratings)
Positive reviews66.7% of reviews—
Number of ratings2937 — better
Update frequencyMonthly — betterEvery 4 months
AdsYesYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPod, Apple Watch — betteriPhone, iPad, iPod
Requires iOS15.015.0
Further details — not scored
Size182 MB39 MB
Age rating4+4+
DeveloperBinary And Bricks Pvt LtdMuhammad Awais Younas

Customer experience

Construction Calculator A1

All ratings29 ratings
Positive93.1%
Neutral0.0%
Negative6.9%
Written reviews12 reviews
Positive66.7%
Neutral8.3%
Negative25.0%

Letterhead Maker

All ratings37 ratings
Positive91.9%
Neutral0.0%
Negative8.1%

In-app purchases

6 purchases

Construction Calculator A1

Subscriptions2
  • Pro access monthly subscription$2.991 Month
  • Pro access yearly subscription$24.991 Year
One-time4
  • 100 AI Credits$0.99
  • 500 AI credits$3.99
  • 500 AI credits$9.99
Show 1 more
  • Lifetime Access$39.99
2 purchases

Letterhead Maker

Subscriptions2
  • Letterhead Premium Week$0.997 Days
  • Premium Month$3.991 Month

Questions

Is Construction Calculator A1 free?
Construction Calculator A1 is free to download, with in-app purchases available.
Is Letterhead Maker free?
Letterhead Maker is free to download, with in-app purchases available.
Which has better reviews, Construction Calculator A1 or Letterhead Maker?
Construction Calculator A1 is rated higher. Construction Calculator A1 averages 4.7 out of 5 from 29 ratings, while Letterhead Maker averages 4.6 from 37 ratings.
Do Construction Calculator A1 or Letterhead Maker have ads?
Both Construction Calculator A1 and Letterhead Maker show ads.
Which is updated more often, Construction Calculator A1 or Letterhead Maker?
Construction Calculator A1 ships an update monthly, and Letterhead Maker every 4 months. Most recently, Construction Calculator A1 was updated on October 30, 2026 and Letterhead Maker on October 24, 2026.

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