# Equation Encyclopedia — Store. Practice. Master. > Store. Practice. Master. (iPhone/iPad app by SAMUEL MOYOSORE O ADEYIGA.) - Source: https://appshunter.io/ios/app/equation-encyclopedia/id6758647681 (this page in markdown: same URL + `.md`) - Developer: [SAMUEL MOYOSORE O ADEYIGA](https://appshunter.io/developer/1874179107) - Category: Education - Price: Free with in-app purchases - Age rating: 4+ - Requires: iOS 15.0 · 451 MB - Languages: English - Released: 2026-02-27 - Data updated: 2026-07-05 - User reviews in markdown: https://appshunter.io/ios/app/equation-encyclopedia/id6758647681/reviews.md ## What is Equation Encyclopedia? Master 3,000+ Formulas, 170+ Expert Revision Guides, and AI Study Tools Equation Encyclopedia brings GCSE, A-Level, IB, AP, university, and professional study into one app. Search 3,000+ formulas across Mathematics, Physics, Chemistry, Biology, Engineering, Finance, Geography, Medicine, Computing, Geology, Psychology, Economics, Sociology, and Quantum Computing, with offline access after login. FORMULA LIBRARY - 3,000+ formulas across GCSE, A-Level, IB, AP, and university pathways - Coverage mapped across AQA, Edexcel, OCR, WJEC/Eduqas, Cambridge, IB, AP, and broader UK, US, and international systems - Interactive formula preview with intuition, derivations, rearrangements, mnemonics, comparisons, and step-by-step practice problem solutions EXPERT REVISION GUIDES - 170+ Expert Revision Guides built from formulas, derivations, rearrangements, mnemonics, intuition, history, and practice - 3 free sample guides on the free plan, with the full guide library available on paid plans - Extra spreadsheet, coding, and reference study packs for broader revision workflows 50+ INTERACTIVE GAMES - Equation Zillionaire, Solve It, Unit Crunch, Symbol Rush, Formula Run, Equation Sleuth, Logic Linker, and more - XP levels, daily streaks, achievement badges, and global leaderboards AI-POWERED TOOLS - AI Equation Mentor to explain, rearrange, and solve formulas step by step - AI Image Scanner to identify equations from photos - AI Study Tool, AI guide generation, and AI-assisted calculator building - AI spreadsheet and coding explainers for practical problem solving CREATE, PROGRESS, AND SCIENTISTS - Create page supports typing, uploading handwriting, or drawing equations before sending them through Store AI - Progress includes Equation Skill Check, weak-equation analytics, subject insights, and next-best-study actions - Separate scientist experiences: collect 100 scientist cards in Scientist Collection, then explore 800+ scientists on the broader Scientists Page - Expanded discovery pages, including Timeline and Wiki coverage, for richer browsing across topics and people REFERENCE AND LIFESTYLE TOOLS - Full Periodic Table, Physical Constants, Unit Conversions, Greek Alphabet, and Math Rules - 468+ Did You Know facts and equation-linked historical context - 6 lifestyle and finance calculators: Salary Cost-of-Living Adjuster, Portfolio Growth Planner, Mortgage Cost Planner, Rent vs Buy Comparator, Emergency Fund Planner, and Budget Split Planner PERFECT FOR GCSE, A-Level, IB, AP, university, finance professionals, developers, Excel users, and independent learners UI available in English plus 17 translated languages. Deeper formula, calculator, Excel, coding, and study content is localized across 10 translated data languages. PLANS - Free: full library access, sample Expert Revision Guides, games, and reference tools - Plus: GBP 5.99/month for unlimited saves, full Expert Revision Guide access, create tools, exports, and ad-free study - Pro: GBP 9.99/month for everything in Plus plus AI Mentor, Image Scanner, AI study workflows, and advanced creation tools - Ultra: GBP 14.99/month for everything in Pro plus the highest AI priority and heavier daily AI usage Zero ads on all paid plans. Terms of Use: https://equationencyclopedia.com/terms Privacy Policy: https://equationencyclopedia.com/privacy About Us: https://equationencyclopedia.com/about Idea illustrations by Storyset ## Pricing and in-app purchases Base price: Free. **Subscriptions** | Subscription | Price | Period | | --- | --- | --- | | Plus Monthly | $6.99 | per month | | Pro Monthly | $10.99 | per month | | Pro Yearly | $99.99 | per year | | Plus Yearly | $49.99 | per year | | Ultra Yearly | $149.99 | per year | | Ultra Monthly | $17.99 | per month | **One-time purchases** | Purchase | Price | Type | | --- | --- | --- | | 100 Energy | $8.99 | one-time | | 10 Energy | $0.99 | one-time | | 30 Energy | $2.99 | one-time | ## Version history (last 5 releases) ### 3.0.0 — 2026-05-17 - New Workbench page — a dedicated hub for deep equation exploration with interactive rearrangement, algebraic sandbox, dimensional analysis, insights, and historical context all in one place - Equation Fusion — load two equations sharing a common variable and watch the shared term animate across the screen as the app performs symbolic substitution, making abstract algebra visual and concrete - Animated equation rearrangement — equations now break into draggable chips that animate algebraic moves step-by-step with fluid motion - My Calculators — build, save, and share your own custom formula calculators directly in the app, with community submission built in - Calculator library expanded with AI-assisted building, subject-specific presets, and localised content across 9 languages - Scientist profiles enriched with more portraits and fuller attribution data; workbench tools, Excel functions, and coding references now available across main languages ### 2.0.7 — 2026-03-29 "Rearrangement coverage expanded across more secondary to university equations, with cleaner verified steps in equation details", "Formula and graph views were upgraded with better scaling, clearer graph presets, and more reliable previews across lookup, study, and wiki screens", "Scientists got a larger refresh with more portraits, richer attribution data, and clearer created-vs-related equation browsing", "Formula Run difficulty tuning now ramps more smoothly, with longer-lasting power-ups and better pickup feel during runs", "Mobile builds were refreshed with bundled game audio and tighter native asset handling for more reliable Android and iOS releases", ### 2.0.6 — 2026-03-26 - Expanded Wiki and discovery pages with stronger category browsing, better practice views, and easier topic exploration - Large study-content refresh with new equations, richer graph descriptions, improved rearrangements, and broader worked solutions - Game improvements across quiz and challenge modes for more polished play and better question variety - Improved LaTeX and formula rendering for clearer equation display across previews, worked steps, and study screens - Build and pipeline fixes for a smoother, more reliable release ### 2.0.4 — 2026-03-25 App now fully available in 17 languages — every screen, game, and tool translated across Arabic, German, Greek, Spanish, French, Hindi, Italian, Japanese, Korean, Dutch, Polish, Portuguese, Russian, Swedish, Turkish, Urdu, and Chinese Expanded landing page — new curriculum alignment section and social proof for a clearer first impression More varied game challenges — distractor logic refined for tougher, less predictable gameplay Expanded study library — more graph descriptions, finance formulas, and step-by-step practice solutions Improved app stability — build reliability fixes for smoother updates and faster deployments ### 2.0.3 — 2026-03-21 Multi-language compliance update — "Access full version on website" translated across 17 languages to meet App Store guidelines Glossary pagination & refinements — added "load more" functionality to mathematical symbols and improved modal navigation Community experience polish — unified dark mode support for dropdowns and removed redundant navigation elements Wiki LaTeX rendering fix — restored high-fidelity equation rendering for science wiki pages Mobile UI declutter — removed unexpected icons and redundant links from equation cards and home carousel SEO & Sitemap overhaul — implemented versioned sitemap structure and forced canonical URLs for better search visibility Stability & Build fixes — resolved TypeScript errors in community logic and optimized RPC content overrides Interactive Tour update — fixed Joyride navigation steps for the community onboarding experience --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-07-05.*