Comparison

Geometry Stash vs Math Interactive

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

Head to head
About

Geometry Stash

Access geometry theorems, postulates, and corollaries with descriptions and diagrams. Create and share custom slides with a built-in editor, exporting them in various formats. Ideal for students and educators needing a portable reference.

Highlights
  • Geometry theorem reference
  • Diagrams for geometric terms
  • Custom slide creation editor
  • Vector graphic slide export
  • iOS Spotlight Search integration
  • Slide Over and Split View support
  • Bulk slide import for educators
Features
Read full description

Reviewing geometry on the go has never been easier. Just swipe to a term to view its description and diagram! "Instead of paging through their textbook for the theorems, now students can use this app" -Wired "Geometry Stash is truly ideal for anyone needing a quick reference guide for geometric theories" -SlapApp Which theorem completes the proof? Refresh your knowledge of the most commonly used theorems, postulates, and corollaries with Geometry Stash. Swipe to a term to check it out! Make your own slides to share with others using a built in editor. Write custom slides with drawing commands with instant preview. Share slides in a snap — Airdrop, iCloud, Message, Mail, and more! Your creations will be rendered as vector graphics that retain their crisp and sharp edges no matter what device others and you use! Additional Features: • Custom slide creation: Write your own slides through drawing commands in JSON, a lightweight data-interchange format. Edit on your device, computer, anywhere. • iOS Spotlight Search: Find your slides using iOS Search. • Slide Over and Split View: View slides alongside other study material. • iCloud Drive: Access created slides on all your devices. Write on the computer and view on the go. • Portability: Export slides as JSON, Image file, or Text. • Guided Access: Limit editing slide functionality to keep learners on track. • Bulk Import: Distribute multiple custom slides using a single bulk import file. Ideal for educators and administrators! What others have said about Geometry Stash: "Geometry Stash Offers Comprehensive Mathematical Guide" - The iPhone App Review "My pick for Geometry Stash in terms of what to use it for is actually studying for exams. It certainly beats the flash card system I used for my SATs" - AppBite "Don't let your Math assignments get you down when you have Geometry Stash to help you through" - CooliPhoneApps.com "[Mirroring] would be great in a classroom or for a group study session" - EDUInReview

About

Math Interactive

Enhance your mathematical understanding with a comprehensive reference covering 23 subjects, over 200 articles, and interactive illustrations. Explore detailed explanations, solved problems, and proofs to master concepts from algebra to calculus. Access all content and features with a premium upgrade.

Highlights
  • 23 math subjects covered
  • Over 200 articles with detailed descriptions
  • Solved solutions and thorough proofs
  • Interactive illustrations for better understanding
  • Quick search for articles and formulas
  • Recents category to pick up where you left off
  • Share articles via social media and messaging
Features
Read full description

Improve your math skills and get a deeper understanding of mathematical concepts, definitions, formulas and proofs. With 23 subjects containing more than 200 articles with detailed descriptions, solved solutions and thorough proofs, this app is perfect for every high school student or any person eager to learn mathematics. Improve your intuition by exploring the interactive illustrations and learn how to solve both simple and difficult math problems through elegant solutions. Buy Premium to access all content and features. • Quickly search for the article or formula you need. • Use the links to read more on a subject. • Improve your understanding with interactive illustrations. • Pick up where you left off with the "Recents"-category. • Share an article via mail, iMessage, Facebook etc. • Jump to any section through the bottom navigation. • Enjoy the graceful and user-friendly design. The app covers the following 23 subjects: • Coordinate System • Differential Calculus • Differential Equations • Exponential Functions • Functions • Geometry • Geometry Terms • Hypothesis Testing • Integral Calculus • Linear Functions • Numbers and Algebra • Percentages • Power Functions • Probability • Quadratic Equation • Quadratic Polynomial • Regression and Growth • Solid Geometry • Statistics • The Straight Line • Trigonometry • Vectors in 2D • Vectors in 3D Space

Screenshots

Geometry Stash4 screens
Math Interactive4 screens

Verdict

The call

The clearest difference is in-app purchases: Geometry Stash at none against Math Interactive's 1. Geometry Stash also leads on update cadence (every 6 weeks vs every 13 months) and review sentiment (83% vs 58%). Math Interactive's advantage is ratings volume (726 vs 11) and iOS requirement (13.0 vs 15.6). On price, rating, ads and device support 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. Math Interactive sells 1 one-off in-app purchase. Geometry Stash asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.7 for Geometry Stash against 4.6 for Math Interactive. That said, the two scores are not equally well evidenced: Math Interactive has 726 ratings behind it against 11, so its average is the more settled of the two. Written reviews are what separate them: 83% of Geometry Stash's written reviews are positive against 58% of Math Interactive's.

UpkeepUpdate frequency

Geometry Stash ships an update every 6 weeks, Math Interactive every 13 months. The most recent releases landed on September 27, 2026 and September 21, 2026 respectively.

Scorecard6 real differences · 4 level
Geometry Stash versus Math Interactive: the parameters behind the verdict, then further details
ParameterGeometry StashMath Interactive
PriceFreeFree
Rating4.7 (11 ratings) — better4.6 (726 ratings)
Positive reviews83.3% of reviews — better58.3% of reviews
Number of ratings11726 — better
Update frequencyEvery 6 weeks — betterEvery 13 months
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFreemium
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.613.0 — better
Further details — not scored
Size3 MB46 MB
Age rating4+4+
DeveloperAnson LiuRune Johannes Overgaard Hoejlund

Customer experience

Geometry Stash

All ratings11 ratings
Positive90.9%
Neutral0.0%
Negative9.1%
Written reviews54 reviews
Positive83.3%
Neutral1.9%
Negative14.8%

Math Interactive

All ratings726 ratings
Positive90.6%
Neutral2.5%
Negative6.9%
Written reviews60 reviews
Positive58.3%
Neutral3.3%
Negative38.3%

Bugs and requests

Geometry Stash

Not enough reviews yet to summarise bugs or requests.

Math Interactive

Reported bugs

2 issues
  • Incorrect formulas and calculations
  • Compatibility issues with newer iOS versions

Requested features

4 requests
  • Add more advanced math topics like calculus, matrices, etc.
  • Include step-by-step solutions and more interactive elements
  • Improve organization and flow of content
  • Provide more real-world examples and applications

In-app purchases

None

Geometry Stash

No in-app purchases

1 purchases

Math Interactive

One-time1
  • Premium$2.99

Questions

Is Geometry Stash free?
Geometry Stash is free to download, with no in-app purchases.
Is Math Interactive free?
Math Interactive is free to download, with in-app purchases available.
Which has better reviews, Geometry Stash or Math Interactive?
Geometry Stash is rated higher. Geometry Stash averages 4.7 out of 5 from 11 ratings, while Math Interactive averages 4.6 from 726 ratings.
Do Geometry Stash or Math Interactive have ads?
Neither Geometry Stash nor Math Interactive shows ads.
Which is updated more often, Geometry Stash or Math Interactive?
Geometry Stash ships an update every 6 weeks, and Math Interactive every 13 months. Most recently, Geometry Stash was updated on September 27, 2026 and Math Interactive on September 21, 2026.

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