Comparison

Turbo Mobile vs Equation Encyclopedia

Price, ratings, monetisation and update history for both apps, side by side โ€” with what reviewers say about each.

Head to head
About

Turbo Mobile

Features
Read full description

Highlighted an interesting passage but needed a place to store it? How about remembering those you actually did store? Turbo is here to help! - Highlight content anywhere - while browsing your favorite news sites or just checking your email - Activate the Turbo share extension and save your highlights to Turbo - Review highlight and never forget, using the Turbo spaced repetition algorithm

About

Equation Encyclopedia

Features
Read full description

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

Screenshots

Turbo Mobile4 screens
Equation Encyclopedia4 screens

Verdict

The call

The clearest difference is in-app purchases: Turbo Mobile at none against Equation Encyclopedia's 9. Turbo Mobile also leads on ads (none vs shown) and update cadence (daily vs every 4 days). On price and device support there is nothing between them.

Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. Equation Encyclopedia sells 9 in-app purchases, starting at $6.99 per month. Turbo Mobile asks for nothing beyond the download.

UpkeepUpdate frequency

Turbo Mobile ships an update daily, Equation Encyclopedia every 4 days. The most recent releases landed on October 27, 2026 and November 5, 2026 respectively.

Scorecard4 real differences ยท 2 level
Turbo Mobile versus Equation Encyclopedia: the parameters behind the verdict, then further details
ParameterTurbo MobileEquation Encyclopedia
PriceFreeFree
Update frequencyDaily โ€” betterEvery 4 days
AdsNo โ€” betterYes
In-app purchasesNo โ€” betterYes
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS11.0 โ€” better15.0
Further details โ€” not scored
Size28 MB451 MB
Age rating4+4+
DeveloperJens GrudSAMUEL MOYOSORE O ADEYIGA

In-app purchases

None

Turbo Mobile

No in-app purchases

9 purchases

Equation Encyclopedia

Subscriptions6
  • Plus Monthly3 Days trial$6.991 Month
  • Pro Monthly$10.991 Month
  • Ultra Monthly$17.991 Month
Show 3 more
  • Plus Yearly3 Days trial$49.991 Year
  • Pro Yearly$99.991 Year
  • Ultra Yearly$149.991 Year
One-time3
  • 10 Energy$0.99
  • 30 Energy$2.99
  • 100 Energy$8.99

Questions

Is Turbo Mobile free?
Turbo Mobile is free to download, with no in-app purchases.
Is Equation Encyclopedia free?
Equation Encyclopedia is free to download, with in-app purchases available.
Do Turbo Mobile or Equation Encyclopedia have ads?
Equation Encyclopedia shows ads; Turbo Mobile does not.
Which is updated more often, Turbo Mobile or Equation Encyclopedia?
Turbo Mobile ships an update daily, and Equation Encyclopedia every 4 days. Most recently, Turbo Mobile was updated on October 27, 2026 and Equation Encyclopedia on November 5, 2026.

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