Construction Calculator A1 vs HelloCRM
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Construction Calculator A1
This app provides specialized calculators for construction professionals, including concrete, rebar, and area/volume calculations. It offers material quantity estimation, unit conversion, and professional features like BOQ export and project organization. Designed for contractors, builders, and engineers on job sites worldwide.
- Concrete material quantity calculation
- Rebar bending schedule and weight calculation
- Feet-inch arithmetic without decimal conversion
- Area and volume calculations for 15+ shapes
- Construction-specific unit conversions
- Bill of Quantities (BOQ) export to PDF/Excel
- Save and organize calculations by project
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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.
HelloCRM
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HelloCRM helps sales and support teams manage every customer conversation in one place – WhatsApp, SMS, email, calls, and live chat – all connected to your CRM. From the first touch to closed deal, you get a clear timeline of every interaction so nothing slips through the cracks. Quickly search and select contacts from your phone or CRM, then start a conversation on the channel they prefer. View all previous WhatsApp, SMS, email, and call history in a single, organized thread so your team always has context. Use message templates to reply in seconds, send documents or media, and switch channels without losing the conversation. Real‑time notifications make sure you never miss an important reply. Whether you’re at your desk or on the move, HelloCRM keeps you and your team in sync so you can respond faster, follow up on time, and close more deals. Key features Unified inbox: See WhatsApp, SMS, email, calls, and live chat for each contact in a single conversation view. Multi‑channel replies: Choose the best provider (WhatsApp, SMS, email, etc.) for each message with one tap. Contact picker: Browse thousands of contacts, search by name, number, or email, and start chats instantly. Rich composer: Send text, images, documents, audio, video, and templates directly from the message composer. Templates & snippets: Use pre‑approved message templates to reply faster and keep communication on‑brand. Smart notifications: Get push alerts for new messages and important replies so you can act immediately. Conversation filters: Quickly view all, open, closed, read, or unread conversations to stay organized. CRM‑ready: Designed to work alongside your CRM so conversations, activities, and follow‑ups stay in sync. HelloCRM is built for modern teams who want to manage every customer interaction from one simple, powerful mobile app.
Screenshots
Verdict
The clearest difference is ads: HelloCRM at none against Construction Calculator A1's shown. On price, update cadence, 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Construction Calculator A1 ships an update every 4 weeks, HelloCRM monthly. The most recent releases landed on September 30, 2026 and October 6, 2026 respectively.
| Parameter | Construction Calculator A1 | HelloCRM |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (26 ratings) — better | — |
| Positive reviews | 66.7% of reviews | — |
| Number of ratings | 26 — better | — |
| Update frequency | Every 4 weeks — better | Monthly |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | Ad-supported | — |
| Devices | iPhone, iPad, iPod, Apple Watch — better | iPhone, iPad, iPod |
| Requires iOS | 15.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 161 MB | 37 MB |
| Age rating | 4+ | 4+ |
| Developer | Binary And Bricks Pvt Ltd | OSHI B2B INDIA PRIVATE LIMITED |
In-app purchases
Construction Calculator A1
No in-app purchases
HelloCRM
No in-app purchases
Questions
Is Construction Calculator A1 free?
Is HelloCRM free?
Do Construction Calculator A1 or HelloCRM have ads?
Which is updated more often, Construction Calculator A1 or HelloCRM?
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