UC0nvert vs At Dusk
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
UC0nvert
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This is a flexible and convenient utility app that allows you to quickly convert units, currencies, and calculate your BMI. Choose among many unit types and lotsa currencies. Features: • Units Units Units! Tonnes of units. • Pick and save favorite units for each type to keep your selection lists to a manageable length. • 170 currencies to pick from. Rates are updated daily. • BMI calculator helps you track how healthy your weight is. • Scientific notation features allow you to manage ginormous numbers. • Units are color-coded to indicate what type they are (Metric, Imperial, Mixed, Other, and Obscure). Choose among the following unit types: • Length • Temperature • Time • Area • Volume • Dry Measure • Mass • Force • Density • Pressure • Energy • Power • Speed • Flow Rate • Angle • Fuel Efficiency • EV Efficiency • Torque
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.
- 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
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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.
Screenshots
Verdict
The clearest difference is in-app purchases: UC0nvert at none against At Dusk's 3. UC0nvert also leads on iOS requirement (15.6 vs 17.6). At Dusk's advantage is update cadence (every 2 days vs fortnightly). On price, ads 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. At Dusk sells 3 one-off in-app purchases. UC0nvert asks for nothing beyond the download.
UC0nvert ships an update fortnightly, At Dusk every 2 days. The most recent releases landed on February 27, 2026 and September 21, 2026 respectively.
| Parameter | UC0nvert | At Dusk |
|---|---|---|
| Price | Free | Free |
| Rating | — | 1.0 (1 ratings) — better |
| Number of ratings | — | 1 — better |
| Update frequency | Fortnightly | Every 2 days — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | — | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.6 — better | 17.6 |
| Further details — not scored | ||
| Size | 37 MB | 8 MB |
| Age rating | 4+ | 4+ |
| Developer | Claude Banta | Dat Pham |
In-app purchases
UC0nvert
No in-app purchases
At Dusk
- At Dusk Small Tip$0.99
- At Dusk Medium Tip$2.99
- At Dusk Large Tip$4.99









