Flappy Tappy: Fly Solo or Duel
Best suited to: Quick, ad-free casual play and live friend duels.
One-tap ring flying, free endless Solo, live duels of up to 30 seconds and FaceTime play.
Apps and readers by Chirag Mirani
Find your best fit: casual games, offline learning, financial calculators and source-linked readers by independent developer Chirag Mirani.
Each app serves a different need. The descriptions below explain where it fits best and the limits that matter before you download.
Vocabula: Grade Vocabulary
Best suited to: Offline English, math and science vocabulary by grade.
4,241 English-language cards across Kindergarten through Grade 12. Try ten definitions, then one purchase unlocks every card.
VocabDeck
Best suited to: Free K–12 English flashcards on iPhone and iPad.
The iOS app includes 1,972 English cards. The free browser edition includes 4,296 cards across English, math and science.
Practice Combination Lock
Best suited to: Practicing a school locker before the first day.
Watch, Learn and Practice modes for a three-number 0–39 rotary lock. Every practice feature is free; tips are optional.
Series 65 Exam Practice Tests
Best suited to: Series 65 practice with explanations and no subscription.
1,211 practice questions and 1,143 flashcards. Try a short test and ten flashcards; one purchase unlocks the bank.
Compound Interest Calculators
Best suited to: Comparing hypothetical savings plans without a subscription.
Free compound-interest calculations, charts and Details; a one-time purchase adds comparisons, goal solvers, saved plans and PDF/CSV exports.
Chip Mortgage Calculator US
Best suited to: Seeing the full monthly cost of a US home.
US fixed-rate mortgage planning with taxes, insurance, PMI, HOA, upkeep and utilities. Calculations and schedules are free; saving and exports use an optional purchase.
Shree Hanuman Chalisa English
Best suited to: Reading the Hanuman Chalisa in plain English offline.
All 43 verses, text only, with English, Devanagari, Roman and Gujarati-letter reading choices. No ads or account.
The Vedas reader
Best suited to: Source-linked study of all four Vedas in English.
Four Vedas, 52 books and 2,250 passages. Sanskrit and IAST are available where safely aligned; coverage is incomplete.
The Upanishads reader
Best suited to: Reading 12 Upanishads with translation sources.
Max Müller’s public-domain English translations, section links and clearly labeled study meanings. Original-language coverage varies.
The Bhagavad Gita in English
Best suited to: Reading the Gita verse by verse or chapter by chapter.
All 18 chapters in English with Sanskrit and transliteration. This source edition has 701 verse records, including 35 in chapter 13.
MacroForecastbyCM
Best suited to: Comparing US macro forecasts with Kalshi consensus.
House forecasts, available Kalshi market consensus, actual releases and a public comparison record. Independent research, not an official Kalshi product.
Choose a vocabulary app
Vocabula vs VocabDeck: subjects, free access and offline use