Comparison

At Dusk vs Construction Calculator ۬

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

Head to head
About

At Dusk

This app provides photographers with real-time light quality, precise sunrise/sunset times, and the sun's path. It integrates live weather data to help users determine the best times for shooting and avoid missing magic hours.

Highlights
  • Live light quality score and color temperature
  • Precise golden hour, sunrise, and sunset times
  • Usable light remaining countdown
  • Live sun and moon path visualization
  • Detailed sky phases and twilight information
  • Integrated live weather data
  • Home-screen widgets for at-a-glance info
Read full description

At Dusk: Your Natural Light Companion For photographers who live and die by the light. At Dusk tells you how good the light is right now, how long it will last, and exactly when the magic hours arrive, so you're never guessing and never caught out. A precise light engine blends solar and lunar geometry with live weather, elevation, and air quality, turning "is it worth heading out?" into a single glance. WHAT YOU GET • Live light quality. A clear read on the light right now, from Poor to Excellent, with the exact score and color temperature. • Golden hour, sunrise, sunset. Precise times and countdowns, with compass bearings so you know where the sun will rise and set. • Usable light remaining. How much shooting light you actually have left before the window closes. • The sun's path. A live arc across your sky showing the sun's real position, altitude, and direction, moment to moment. • The moon, in full. Phase and illumination, moonrise and moonset with bearings, and dark-sky windows for astro and night work. • Sky Detail. A dedicated sun and moon compass with every light phase, from golden and blue hour to civil, nautical, and astronomical twilight. • Live weather. Cloud, humidity, wind, and UV, folded straight into the light picture. • Home-screen widgets. Your usable light, live sun arc, and light quality at a glance, all day. • Built for iPad. A full dashboard that puts everything on one screen at once. • Make it yours. Customizable themes and a clean, glare-free design tuned for the field. Premium and ad-free. No accounts, no clutter, just the light. Made for landscape, portrait, wedding, and travel photographers, and anyone chasing dawn, dusk, and every good hour in between.

About

Construction Calculator ۬

Features
Read full description

Construction Calculator gives you the tools you need to estimate materials, solve jobsite math, convert measurements, and plan construction projects with confidence. Includes everything you need to calculate feet, inches, fractions, areas, volumes, concrete, framing, roofing, masonry, electrical, HVAC, project dates, and more. Whether you're a contractor, carpenter, builder, remodeler, estimator, engineer, or DIY homeowner, this app helps you get accurate construction calculations fast. Useful for: general contractors, framers, carpenters, concrete workers, roofers, masons, electricians, HVAC techs, landscapers, project managers, estimators, homeowners, and more. You will find all the helpful tools: • Feet-Inch-Fraction Calculator • Construction Math Calculator • Area & Volume Calculator • Concrete Slab Calculator • Concrete Footing Calculator • Concrete Column Calculator • Concrete Post Hole Calculator • Rebar Calculator • Wire Mesh Calculator • Block Wall Calculator • Brick Wall Calculator • Paver Calculator • Asphalt Calculator • Crushed Stone Calculator • Stair Calculator • Rafter & Roof Pitch Calculator • Hip Roof Calculator • Floor Joist Calculator • Subfloor Material Calculator • Insulation Calculator • Ramp & Slope Calculator • Grade Calculator • Square Layout / 6-8-10 Calculator • Triangle & Geometry Calculator • Electrical Watts, Volts & Amps Calculator • HVAC Air Flow & Ventilation Calculator • Project Date & Deadline Calculator • Cost Per Square Foot Calculator • Loan, Mortgage & Payment Calculators • Saved Calculation Tapes • Notes for Project Planning • PDF Sharing & Export Construction Calculator: calculate, estimate, convert, and save the measurements you need for everyday building work. Quickly enter dimensions in feet, inches, fractions, yards, meters, centimeters, or millimeters. Add, subtract, multiply, divide, convert units, and solve common construction problems without switching between multiple apps. Estimate concrete for slabs, footings, columns, foundations, post holes, and backfill. Calculate rebar, wire mesh, block walls, brick walls, pavers, asphalt, crushed stone, driveway sealer, and other jobsite materials. Plan framing, stairs, ramps, joists, roof pitch, rafters, hip roofs, square layouts, slopes, grades, triangles, and more. Use built-in calculators for electrical loads, HVAC sizing, attic ventilation, project dates, cost per square foot, and construction business math. Keep your work organized with saved tapes, project notes, and shareable calculation results. Perfect for quick field estimates, material takeoffs, layout checks, remodeling projects, and contractor planning. Built for real jobsite use — fast, practical, and available offline. Calculate smarter — from blueprint to build. Terms & Conditions: https://draunt.com/terms Privacy Policy: https://draunt.com/privacy

Screenshots

At Dusk4 screens
Construction Calculator ۬3 screens

Verdict

The call

The clearest difference is update cadence: At Dusk at every 2 days against Construction Calculator ۬'s every 2 months. 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. At Dusk sells 3 one-off in-app purchases and Construction Calculator ۬ sells 3 in-app purchases, starting at $5.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

At Dusk ships an update every 2 days, Construction Calculator ۬ every 2 months. Both last shipped on October 8, 2026.

Scorecard1 real difference · 8 level
At Dusk versus Construction Calculator ۬: the parameters behind the verdict, then further details
ParameterAt DuskConstruction Calculator ۬
PriceFreeFree
Rating1.0 (1 ratings) — better—
Number of ratings1 — better—
Update frequencyEvery 2 days — betterEvery 2 months
AdsNoNo
In-app purchasesYesYes
MonetizationFree—
DevicesiPhone, iPadiPhone, iPad
Requires iOS17.617.0 — better
Further details — not scored
Size8 MB2 MB
Age rating4+4+
DeveloperDat PhamDraunt LLC

In-app purchases

3 purchases

At Dusk

One-time3
  • At Dusk Small Tip$0.99
  • At Dusk Medium Tip$2.99
  • At Dusk Large Tip$4.99
3 purchases

Construction Calculator ۬

Subscriptions2
  • Construction Calculator Monthly7 Days trial$5.991 Month
  • Construction Calculator Yearly7 Days trial$39.991 Year
One-time1
  • Construction Calculator Lifetime$79.99

Questions

Is At Dusk free?
At Dusk is free to download, with in-app purchases available.
Is Construction Calculator ۬ free?
Construction Calculator ۬ is free to download, with in-app purchases available.
Do At Dusk or Construction Calculator ۬ have ads?
Neither At Dusk nor Construction Calculator ۬ shows ads.
Which is updated more often, At Dusk or Construction Calculator ۬?
At Dusk ships an update every 2 days, and Construction Calculator ۬ every 2 months. Most recently, At Dusk was updated on October 8, 2026 and Construction Calculator ۬ on October 8, 2026.

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