01Study13

CalcRef 100+ calculus formulas, flashcard quizzes, and a unit converter. iOS · Android→ Discretica Truth tables, proof training, and 500+ practice problems for CS. iOS · Android→ EngiRef Engineering formulas, reference tables, and unit conversion. iOS · Android→ SyntaxShelf Offline code cheat sheets for interviews and daily lookup. Android→ Decoded Medical terminology by Greek and Latin roots, with ISMP abbreviation alerts. iOS→ PetriKey A microbiology study app: organisms, Gram stains, spaced review. Android · soon→ MorseBlink Learn Morse code by screen flash, tone, and vibration. iOS→ Octet 80+ organic reactions with mechanisms, pKa, IR & NMR tables. iOS→ Chem All 118 elements with IUPAC-verified data, quizzes, molar mass tools. iOS→ PhysRef Hundreds of physics formulas with built-in calculators and constants. iOS→ StatRise Statistics lessons, calculators, and spaced practice. iOS · Android→ ScoreMint AP, SAT & ACT practice questions — offline, no account. Android · soon→ Trigonify Trigonometry, taught properly: unit circle, identities, practice. Android · soon→

02Languages5

Fahm Modern Standard Arabic: 1,000+ words with tashkeel, 38 grammar lessons. iOS→ Fijario Spanish vocabulary with spaced repetition and mnemonics, offline. Android · soon→ Hafiza Turkish from A1 to B2: 1,000+ words, 105 lessons, spaced repetition. iOS→ BolNama Urdu with Nastaliq script, Roman Urdu, and native audio. iOS · Android→ VocaStack Vocabulary in English, German, Spanish, and French. iOS · Android→

03Health & Habits12

Cooldown Calm-down techniques and a private anger log. iOS→ HalfCup Track caffeine and find your personal cutoff time. iOS→ SugarWhisper Understand and manage sugar cravings with a private journal. iOS→ Drywell Count drinks and track progress toward drinking less. iOS→ FiberTally Track dietary fiber — not calories — fully on-device. Android · soon→ Halira A private migraine diary your doctor can actually use. Android · soon→ Choosing Me A no-contact tracker for breakup recovery, private by design. iOS→ Nailwell A private tracker for quitting nail biting. iOS→ ClearLung Quit smoking with CBT lessons and an SOS craving button. iOS→ Unfogged Quit weed with a private, on-device progress tracker. iOS→ Capsuly Track supplements, routines, and inventory — fully offline. iOS→ Brimful A water tracker with no subscription — one purchase, use forever. iOS→

04Family & Life4

NameNest Baby names for couples: swipe, match, shortlist. iOS→ Kinminder Birthday countdowns and occasions, stored only on your device. iOS→ ParentPhrase What to say to your kid — calm scripts for tantrums, meals, bedtime. iOS→ Awaited A private week-by-week pregnancy tracker. iOS→

05Utilities6

AgeSphere Your exact age in days and seconds — plus dog years and Mars years. iOS · Android→ AudioPull Extract audio from video, entirely on your device. iOS→ Roundra Tournament brackets: 8 formats, seeding, schedules, exports. Android · soon→ LocalConvert Convert images, documents, and data files without uploading anything. iOS→ ConvertPix HEIC to JPG, PNG & WebP — batch convert, resize, compress. iOS→ ShrinkIt Compress videos on-device — free up storage, fit email limits. iOS→

06Games1

PitchLore Offline football trivia: daily quizzes, survival runs, party play. Android→

07Reference5

HerbMate An offline reference of medicinal herbs and their traditional uses. iOS→ Legata Biographies of historical figures, from scholars to rulers. iOS→ Saeculum World history as one navigable, offline timeline. iOS · Android→ HomeoMate A classical materia medica reference for homeopathy study. iOS→ Matcha Almanac Brew logs, tasting notes, and matcha knowledge. iOS · Android→