Site Diary vs Construction Calculator A1 Pro
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Site Diary
Streamline construction daily reporting with this app. It replaces paper logs with digital entries, integrates task management, and automatically includes weather data and photos. Supports offline use and various export formats for seamless project tracking.
- Digital daily reports
- Integrated task management
- Real-time progress monitoring
- Automatic local weather reports
- Image attachments
- Offline support
- PDF, Excel, CSV export
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Site Diary app replaces the existing paper construction daily reports, site journal or daily logs, where field workers make a report of things that occurred on their projects. With Site Diary app, we make the whole process quick, fun and simple so you both have a detailed daily report and time left to focus on building more. We developed Site Diary to address the needs of site engineers, foremen and site managers working in construction organizations, contractors and installation teams both large and small. "Site Diary allowed me to keep track of construction progress and emerging issues in real time” - Christopher Pletcher, Municipal Engineering Manager, Ayres Associates Task management/allocations feature The first product to integrate daily reports and task management. Users can create a task, add information about the task (manpower, equipment & materials to be used) and the persons it assigned to. Report progress on a task by creating a work log. The diary form will be automatically filled with all the task info which will make it a lot quicker for users to fill their daily reports. Site Diary Features include - Real-time site progress and monitoring, whereby users have visibility of work being done by site staff. Submitted reports are immediately available for review and approval by off-site personnel. - Share information. The app will allow field workers to send an email after they create an event. (This is optional) - Local weather report automatically included - every report entry is automatically linked with the prevailing weather conditions for that site at the time, which is important information to include in a daily construction report app. - Added images - photos and other images can be attached to reports. - Offline support - Sites with limited connectivity are not a problem as the app continues to perform seamlessly off-line. Data captured is saved on the device and synchronized to the cloud as soon as a connection becomes available. - User management - Add and remove users in your team - Set up site resources (labour, equipment, materials, contractors, tags) that you will use on your construction site. Tags are used to determine the type of event that is recorded, example: Safety. - Export Reports - This can be used as shift updates or project summaries and shared with staff, contractors and clients. These are done in either PDF, Excel or CSV format.
Construction Calculator A1 Pro
This app provides specialized calculators for construction professionals, including concrete, rebar, and area/volume calculations. It helps estimate material quantities, steel tonnage, and perform complex measurements with ease. Users can also generate Bills of Quantities and export reports for clients.
- Concrete quantity estimation
- Rebar bending schedule (BBS)
- Feet-inches calculator
- Area and volume calculations
- Bill of Quantities (BOQ) export
- Project organization and sharing
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Trusted by 1M+ contractors, builders and engineers worldwide. Construction Calculator A1 Pro is a complete civil engineering toolkit for engineers, contractors, architects, site supervisors, quantity surveyors (QS) and real estate professionals. 500+ calculators take you from material estimation and RCC design all the way to a client-ready Bill of Quantities - on your iPhone, iPad and Apple Watch. EVERYTHING UNLOCKED, NO ADS - No advertising anywhere in the app - Unlimited calculations - no daily cap - Every calculator unlocked, including Draw Shape, GPS Area and the specialist trade tools - Unlimited favourites, recents and custom formulas - Cloud sync across your devices, included - One purchase. No subscriptions, no in-app purchases. IDEAL FOR - Civil Engineers & Contractors - RCC, beam, column, footing & reinforcement - Quantity Surveyors & Estimators - Fast, accurate material take-offs - Site Supervisors & Project Managers - On-site calculations and costing - Architects & Builders - Area, volume and design measurements - DIY Home Builders & Real Estate Professionals - Land and plot area NEW - BILL OF QUANTITIES (BOQ) - Add any calculation result straight to a BOQ - Organise work by project, track total value and % priced - Professional BOQ report with your company header and signature - Export as PDF or Excel and send to clients NEW - AUTOMATIC DRAWINGS - Calculators generate a dimensioned drawing of what you entered - Brickwork, steel/BBS shapes, concrete sections, excavation, stairs and more - Drawings and a DIMENSIONS/QUANTITIES panel in every PDF report NEW - MATERIAL PRICE LIBRARY - Store your own material rates in your own currency - Rates auto-fill into cost fields across the app - Six regional presets with local materials and units NEW - APPLE WATCH APP - Converter, material weight, volume, diagonal and rebar on your wrist - Prices synced from your iPhone, with full calculation history NEW - LEARN: STUDY & QUIZ - Civil engineering articles, checklists and reference charts - Topic quizzes with instant explanations - Daily streaks, XP, stars and achievement badges QUANTITY CALCULATORS - Concrete - slab, beam, column, footing, staircase, retaining wall, culvert - Steel & BBS - reinforcement weight, cutting length, bar bending schedules - Brick, Block & Plaster - walls, bonds, arches, AAC/CLC blocks - Flooring, Tile & Plywood - Paint - litres/gallons with coats and coverage - Water Tank - rectangular, cylindrical, spherical, capsule and more - Excavation & Backfill, Anti-Termite, Shuttering, Plum Concrete - Roofing - area, pitch, rafter length, gable and flat roofs - Infrastructure - road, rail, dam, sewage, water supply - Specialist trade tools - drywall, deck stain, vinyl fence, ladder angle and length, man-hours, arch - Construction Cost Estimator with breakdown charts and client quotations AREA & VOLUME - Plot area, rectangle, square, triangle, circle, trapezoid, polygons - Cube, cone, cylinder, sphere, prism, pyramid, frustum and more - Draw Shape and GPS Area for irregular plots UNIT CONVERTER - Length, area, volume, weight, pressure, power, speed, time, fuel, angle, density - Feet-inch-fraction construction calculator with a running tape SAVE, SHARE & SYNC - Save calculations, add notes and photos, organise in folders - Export PDF and Excel reports with your company logo and signature - iCloud and Google Drive backup - Cloud sync across all your devices WHY CHOOSE CONSTRUCTION CALCULATOR A1 PRO - Metric & Imperial - switch instantly in any calculator - Works offline - calculations need no internet - 16 languages - Light and dark themes - Home Screen widgets and Quick Actions - Clean interface built for the jobsite NEED HELP OR HAVE SUGGESTIONS? We value your feedback. Contact constructioncalculatorallinone@gmail.com for support or feature requests.
Screenshots
Verdict
The clearest difference is price: Site Diary at Free against Construction Calculator A1 Pro's $39.99. Site Diary also leads on update cadence (weekly vs monthly) and review sentiment (88% vs 77%). On rating, 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
Site Diary is free to download; Construction Calculator A1 Pro costs $39.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Construction Calculator A1 Pro holds the better App Store score, 4.6 against 4.4. That said, the two scores are not equally well evidenced: Site Diary has 45 ratings behind it against 7, so its average is the more settled of the two. Written reviews complicate that: 88% of Site Diary's written reviews are positive against 77% of Construction Calculator A1 Pro's, so the app with the better star average is not the one people write more warmly about.
Site Diary ships an update weekly, Construction Calculator A1 Pro monthly. The most recent releases landed on September 19, 2026 and September 10, 2026 respectively.
| Parameter | Site Diary | Construction Calculator A1 Pro |
|---|---|---|
| Price | Free — better | $39.99 |
| Rating | 4.4 (45 ratings) | 4.6 (7 ratings) — better |
| Positive reviews | 87.5% of reviews — better | 76.9% of reviews |
| Number of ratings | 45 — better | 7 |
| Update frequency | Weekly — better | Monthly |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Ad-supported — better | Paid |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod, Apple Watch — better |
| Requires iOS | 15.0 | 15.0 |
| Further details — not scored | ||
| Size | 68 MB | 124 MB |
| Age rating | 4+ | 4+ |
| Developer | Script&Go | Binary And Bricks Pvt Ltd |
Customer experience
Site Diary
Construction Calculator A1 Pro
In-app purchases
Site Diary
No in-app purchases
Construction Calculator A1 Pro
No in-app purchases
Questions
Is Site Diary free?
Is Construction Calculator A1 Pro free?
Which has better reviews, Site Diary or Construction Calculator A1 Pro?
Do Site Diary or Construction Calculator A1 Pro have ads?
Which is updated more often, Site Diary or Construction Calculator A1 Pro?
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