Unit Sharp vs Lexo Learn New Words

Unit Sharp is a mental math trainer designed to build intuition for unit conversions. Instead of relying on formulas or calculators, you learn to estimate values using scale, context, and real-world reasoning. This is not a converter — it’s a skill. --- HOW IT WORKS • Estimate the answer to a conversion problem • Enter your guess using a simple keypad • Get instant feedback based on accuracy • Improve your intuition over time --- ACCURACY-BASED SCORING Answers are graded by how close you are: • Exact • Close • Ballpark Different categories have different precision standards. Scientific units require tighter accuracy, while others allow broader estimates. Your session score reflects your average performance — consistency matters more than perfection. --- GAME MODES • Practice Mode Unlimited questions for focused training • Timed Mode Answer as many as possible under pressure --- CUSTOM TRAINING • Select specific unit categories • Drill individual conversion pairs • Build intuition where it matters most --- WHY IT WORKS Real-world thinking rarely requires exact answers. It requires fast, reasonable estimates. Unit Sharp helps you: • Think in magnitudes • Catch unrealistic numbers • Build confidence with units --- FREE FOREVER • No ads • No subscriptions • No tracking Built as a simple, useful tool for anyone who wants to think better with numbers.

Discover words that stay with you. There are words you know. Words you've heard once or twice. And words still waiting to surprise you. LEXO is a simple, beautiful way to build your vocabulary and improve your spelling: one word at a time, with its exact meaning, in a small moment of curiosity each day. ONE WORD CAN CHANGE EVERYTHING • More than 20,000 words in English and Spanish, across three levels: easy, intermediate and hard. • Clear definitions that are easy to remember, like a dictionary made to enjoy. • Hear how every word is pronounced. • Swipe up to discover the next one. • Save your favorites and come back to them anytime. From petrichor to ineffable, there's always a new word waiting for you. NEW: A TO Z From A to Z against the clock: one definition per letter, four minutes and three hints. Get it right, get it wrong, or pass and come back at the end. • Daily challenge: the same board for everyone. Compare and share your score. • A personal ranking for each level. • Review the words you missed, with their definition and pronunciation. LEARN BY PLAYING • A to Z: our star word game, with a daily challenge to share. • Burst: ten quick questions. • Sprint: sixty seconds to get as many right as you can. • Synonyms: find the word that means the same. • Complete sentences: choose the word that best fits the sentence. • What's your level?: thirty relaxed questions to measure your vocabulary. Word games that feel nothing like studying. SPANISH SPELLING, SORTED Learning Spanish? Four spelling games for the trickiest letters: B or V, G or J, H or no H, LL or Y. Every answer explains the rule, and LEXO keeps your best score for each game. WORDS THAT STAY WITH YOU • Three words a day in your notifications. • Widgets for your Home Screen and Lock Screen: the word of the day and your A to Z challenge. • Your own collections and saved words. • Smart Review reminds you of what you've learned, right on time. • Explore by topic or by word type: verbs, adjectives, short or long words. WATCH YOURSELF GROW Keep your daily streak, beat your records and see your vocabulary grow. LEXO PREMIUM Discovering words, the widgets, one Burst and one A to Z game a day are free. LEXO Premium unlocks unlimited challenges, the spelling games, themed categories, Smart Review and full statistics. DESIGNED FOR THE LOVE OF WORDS Minimalist design, soft colors and a smooth experience. Light, dark or system appearance, large text and VoiceOver. No accounts, no ads and no tracking: your progress stays on your iPhone. LEXO. One new word can open up a whole world. — LEXO Premium is an auto-renewing annual subscription. Payment is charged to your Apple Account when you confirm the purchase. The subscription renews automatically unless you cancel it at least 24 hours before the end of the current period. You can manage or cancel it in your App Store account settings. If a free trial is offered, any unused portion is forfeited when you subscribe. Terms of Use (Apple EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://www.lexowords.com/en/privacy/