Comparison

Maths Dictionary Offline vs Penspace

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

Head to head
About

Maths Dictionary Offline

Access a comprehensive offline mathematics dictionary with thousands of definitions, formulas, and examples. Features include easy search, an adaptive interface, and a quiz mode to test your knowledge. Ideal for students and professors of all levels.

Highlights
  • Offline access to math terminology
  • Thousands of definitions and formulas
  • Easy search with auto-suggestion
  • Adaptive and attractive interface
  • Includes charts, graphs, and illustrations
  • Quiz mode for knowledge testing
  • Speech to text functionality
Features
Read full description

** Maths Dictionary ** "Maths Dictionary" is an Inclusive and advanced Mathematics Dictionary for students and professors of all levels. It has all the content of mathematics and statistics with related description which is used in all cases. Are you searching for Dictionary of Mathematics? Then this app will ends your searching, just install in your iOS device and get tons of Maths terminology with full detailed definitions. Math dictionary online covers all commonly used terms and concepts from pure and applied mathematics and statistics, such as equations, algebra, linear algebra, geometry, nonlinear equations, and differential equations. Moreover, there are examples on major mathematicians and topics of more common interest, such as fractals, game theory, and other equations. Application of mathematics gives you just a sample of the over 1,100 helpful formulas, tables, figures, and examples that are included in the full version of Math books. So, if you're a student, professor or want to be master in mathematical calculations, then this app is for you. Features: • No internet connection required • Easy Search • Adaptive & attractive interface • Alphabetical list • Thousands of definitions • An auto suggestion of words while you type. • Access to over 500 Mathematical terms almost anywhere and at any time without anyone’s help. • Hundreds of excellent charts, graphs, illustrations and diagrams are explained with clarification. • Your last searched words are all saved in your "History List", so that you can quickly look back and save it for later use. • This highly practical feature will help your children to remember more of what they have searched. • Speech to Text functionality in to searching words. • Electrical Dictionary Offline is free. No other hidden charges. • We will keep you updated with latest words in this Terms. • It's Offline. So user need not any internet connection more. • Perfect app for travellers! This, will help you to learn and talk Mathematics Terms with people easily! • We developed a new quiz inside Electrical dictionary Offline! To take the quiz, you can easily tap the option icon in the top left side of the screen and choose quiz. Now, you will see a word in the screen with 4 answers, you will have to tap the answer that you think its right to see if it’s the good choice or not. Keep in mind, that there is a countdown timer and if it finishes without a reply from you, then the quiz will ends. This Dictionary of Mathematics which is great mixture of all the Mathematics Questions or formulas asked in almost all competition exams. Application of mathematics includes all the problem solving equations with diagrams and charts and best example of every mathematics chapter and can be decisive for any competition exam in all India. *Premium Subscription Plans* • Weekly Pro Plan: $1.99/month • Monthly Pro Plan: $4.99/month • Yearly Pro Plan: $29.99/year • Lifetime Access: $39.99 (one-time payment) Unlock Premium Features with a Subscription: • Unlimited Translations • Unlimited Word Searching • 100% Ad-Free Experience Subscription Terms: • Payment will be charged to your Apple ID account upon confirmation of purchase. • Subscriptions automatically renew unless canceled at least 24 hours before the end of the current billing period. • You can manage or cancel your subscription anytime by going to: Settings > Apple ID > Subscriptions. • Any unused portion of a free trial will be forfeited when you purchase a subscription. Download Now & Simplify Your Life! Privacy Policy: https://www.thedictionaryapps.com/dictionary/pvpolicy.html
 Terms of Use: https://www.thedictionaryapps.com/dictionary/terms.html
 EULA: https://www.thedictionaryapps.com/dictionary/eula.html For support or inquiries, please contact: puju.delvdiya@gmail.com

About

Penspace

Features
Read full description

Scroll ideas from books, read summaries, track reading, capture highlights. Penspace is a micro-learning platform designed to transform everyday scrolling into meaningful learning from books. Instead of spending time on endless entertainment feeds, users interact with short knowledge cards that present powerful ideas drawn from influential books. Each card communicates one clear concept that can be understood in seconds, making learning simple, engaging, and accessible. The experience begins with a scrolling feed of knowledge cards. Each card highlights an idea from a book and presents it in a concise format focused on clarity and insight. For example, a card might introduce the concept of habit compounding from Atomic Habits by James Clear, explaining how small improvements repeated daily can lead to major long-term change. Another card may present an insight about human decision-making from Thinking, Fast and Slow by Daniel Kahneman. These short learning moments allow users to gain valuable knowledge in just a few seconds. If users want to explore further, they can open structured summaries of books. Each summary explains the core ideas of a book in a clear and organized format. Summaries typically include an overview, key ideas, important concepts, actionable insights, and memorable quotes. This helps readers quickly understand the main arguments of a book and decide whether they want to read the full work. The platform also highlights book recommendations from influential thinkers. Many readers are curious about the books that shaped the thinking of successful people. The app surfaces recommendations from figures such as Elon Musk, Naval Ravikant, and Bill Gates. Exploring these recommendations allows users to discover books that have influenced innovators, entrepreneurs, and leaders. Users can save books they find interesting to a personal library within the app. This library becomes a curated collection of titles the user wants to read or explore later. For example, a reader might save books such as Deep Work or The Psychology of Money. Over time, this library grows into a personalized knowledge collection. The platform also includes a built-in e-book reader that allows users to upload their own digital books, typically in formats such as EPUB or PDF. Once uploaded, the book can be read directly inside the app using a clean, distraction-free interface. The reader offers customizable settings such as font size, background color, and spacing to make reading comfortable for long sessions. While reading, users can highlight passages and add notes. These highlights are automatically saved to the user’s knowledge library, making it easy to revisit important ideas later. Highlights from books become a personal archive of insights collected over time. The app also supports readers of physical books through an OCR highlighting feature. Users can photograph a page, and the system converts the printed text into digital text that can be saved as a highlight. For example, someone reading Meditations could capture meaningful passages and store them alongside their digital highlights. To encourage consistent reading habits, the app includes a reading tracker. Users can monitor the books they are currently reading, the books they have completed, and their overall reading progress. This helps motivate users to build a long-term habit of reading. Together, these features create a complete learning ecosystem. Users scroll through ideas, discover books, explore summaries, save titles, read books, highlight insights, and track their progress. Over time, the platform becomes not just a feed of content but a personal knowledge system that grows with the reader’s curiosity and learning journey. Terms of Use https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy https://penspace.in/privacy.html

Screenshots

Maths Dictionary Offline4 screens
Penspace4 screens

Verdict

The call

The clearest difference is in-app purchases: Penspace at none against Maths Dictionary Offline's 5. Penspace also leads on ads (none vs shown) and update cadence (every 2 months vs every 19 months). On price, device support and iOS requirement there is nothing between them.

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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Maths Dictionary Offline sells 5 in-app purchases, starting at $1.99 per 7 days. Penspace asks for nothing beyond the download.

UpkeepUpdate frequency

Maths Dictionary Offline ships an update every 19 months, Penspace every 2 months. The most recent releases landed on October 4, 2026 and October 5, 2026 respectively.

Scorecard3 real differences · 6 level
Maths Dictionary Offline versus Penspace: the parameters behind the verdict, then further details
ParameterMaths Dictionary OfflinePenspace
PriceFreeFree
Rating5.0 (3 ratings) — better—
Number of ratings3 — better—
Update frequencyEvery 19 monthsEvery 2 months — better
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.615.5 — better
Further details — not scored
Size13 MB123 MB
Age rating4+4+
DeveloperPuju DekivadiyaPENSPACE ENTERPRISES PRIVATE LIMITED

In-app purchases

5 purchases

Maths Dictionary Offline

Subscriptions3
  • Weekly Pro Plan$1.997 Days
  • Monthly Pro Plan$4.991 Month
  • Yearly Pro Plan$29.991 Year
One-time2
  • Remove Ads$9.99
  • Lifetime Access$39.99
None

Penspace

No in-app purchases

Questions

Is Maths Dictionary Offline free?
Maths Dictionary Offline is free to download, with in-app purchases available.
Is Penspace free?
Penspace is free to download, with no in-app purchases.
Do Maths Dictionary Offline or Penspace have ads?
Maths Dictionary Offline shows ads; Penspace does not.
Which is updated more often, Maths Dictionary Offline or Penspace?
Maths Dictionary Offline ships an update every 19 months, and Penspace every 2 months. Most recently, Maths Dictionary Offline was updated on October 4, 2026 and Penspace on October 5, 2026.

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