InfiChess vs Arrebol

InfiChess is a modern chess learning companion designed for players of every level — from complete beginners to club players chasing their next rating milestone. Powered by an adaptive AI coach, hand-picked puzzles, and interactive replay of famous games, InfiChess turns every 5-minute break into meaningful practice. WHAT YOU'LL LOVE ▸ AI Coach that Grows with You Play unlimited games against multiple AI personalities with tunable strength. Get instant, move-by-move feedback and a personalized training plan built from your recent games. ▸ Puzzles that Actually Teach Solve tactical puzzles filtered by theme (fork, pin, mate-in-2, endgame technique…) and difficulty. Adaptive hints unlock only when you need them — no more mindless guessing. ▸ Replay & Learn Grandmaster Games Step through classic masterpieces in Learn Mode: try to guess the master's next move yourself, or switch to Watch Mode for a smooth autoplay walkthrough with annotations. ▸ Class & Homework Join your teacher's class, receive puzzle / game / replay assignments, and check in your progress with one tap. Perfect for chess academies and after-school programs. ▸ Daily Tasks & Streaks Complete bite-sized daily tasks to earn XP, coins, and rank up your title from Beginner all the way to Grandmaster. Consecutive check-ins unlock bonus rewards. ▸ Openings Explorer Browse the full opening tree with popularity and win-rate statistics. Save your favorite lines and drill them against the AI. ▸ Beautiful, Focused Design A calm, distraction-free UI with full English & Simplified Chinese support, offline puzzle solving, and no aggressive ads. WHY INFICHESS? Most chess apps focus on rating grind. InfiChess focuses on real learning — spaced puzzles, master-game replay, and adaptive feedback are woven into a daily rhythm that fits busy schedules. Whether you have 2 minutes or 2 hours, there's always the right exercise for today. Membership unlocks unlimited puzzles, advanced AI coach reports, exclusive master-game libraries, and premium titles. Core features stay free — always. LEARN. PLAY. IMPROVE. Download InfiChess and make every move count. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://ichesshk.com/privacy.html

Will tonight's sunset be worth heading out for? Arrebol helps you plan golden hour and blue hour, see how promising the sky looks, and choose where to shoot. Check the light windows, a sky score with its reasons and confidence, and the sun's direction before you leave. A LIVING SKY • The sky on screen is rendered from the forecast: tonight's clouds, lit by the sun where it will be • The sun's whole day as one curve. Drag the time ruler and watch the light change • A countdown to the next sunrise or sunset, with golden and blue hour marked on the curve WILL THE SKY LIGHT UP? • A sky score for every golden hour, from high, mid and low cloud, rain and haze; at sunset it also checks low cloud toward the sun, and the forecast shows how confident each score is • Plain reasons, like "high cloud to catch the colour" or "low cloud may block the sun" • The next 24 hours of cloud and the next 10 days at a glance EVERY PLACE, ONE SWIPE APART • Your location first, then the spots you save. Swipe between them • Swipe up for the whole day: blue and golden hour, sunrise, sunset, moonrise and moonset with directions, twilight, day length, moon phase and the next full moon • Search cities, landmarks or coordinates, and see each place's local time PLAN THE SHOT • Sun & moon map: bearing lines from any vantage point and the day's sun path • Sky path chart, and a camera view that draws the path over the real sky • Add any window to your calendar SKY EVENTS FOR EACH PLACE • Solar and lunar eclipses to 2040, with coverage and contact times where you are, and directions to the path of totality • Meteor showers with the rate you can expect on the peak night • Live aurora outlook from NOAA space weather ALWAYS AT HAND • Alerts before sunrise, sunset, golden or blue hour, optionally only when the sky looks good • Live Activity countdown on the Lock Screen and in the Dynamic Island • Home Screen and Lock Screen widgets The name: arrebol is Spanish for the red glow of clouds lit by the rising or setting sun. Accurate: sun and moon times are checked against the US Naval Observatory, and eclipses against NASA. Weather data from Apple Weather. Space weather from NOAA SWPC. Eclipse predictions by Fred Espenak, NASA GSFC.