Comparison

Geometry Stash vs CleverBooks Geometry

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

CleverBooks Geometry

Features
Read full description

CleverBooks Geometry App allows students to explore geometric solids in Augmented reality and spark their curiosity for 3D geometry. The app features 3D models of five main 2D-dimension geometrical shapes (circle, rectangle, cube, hexagon and triangle) and enables a teacher to explain abstract geometry concepts through 3D visualization. Pair the app with CleverBooks physical products (Building blocks - https://www.cleverbooks.eu/product/augmented-reality-building-blocks/ and Geometry Workbook - https://www.cleverbooks.eu/product/cleverbooks-geometry-workbook-cleverbooks-elementary-schoolbook-with-augmented-reality-geometry-paperback/) to create an engaging and immersive learning environment for your students in your math class (K1 to K-6). The content is based on global curriculum guidelines and recommended as a supplementary material for the primary school students. To use the CleverBooks Geography App you need a mobile device (mobile phone or tablet) with a camera at the back. What can students learn with the app: View geometric 2D and 3D shapes from all angles Voiceover for all the shapes and interactions made by kids See sides of 3D shapes unfold into 2D shapes (decomposition is visualized!) Check main properties of 3D shapes Find out about different variations of 2D shapes Learn and understand fractions Compare and identify objects in the environment with geometric shapes using Augmented Reality Develop spatial imagination by observing 3D and flat models Learn properties of geometric 2D and 3D shapes…and more! Explore the app content in 7 simple steps: Download and install CleverBooks Geometry App Get physical products from CleverBooks store https://www.cleverbooks.eu/shop/ Launch the app and face the camera of your mobile device on the building blocks or a shape marker from the workbook. Choose between different Augmented Reality scenes to explore interactive content. Take the test to check your knowledge. The suggested in-app purchases give access to an interactive game experience. Check the collection of Activity plans to get come ideas for your lessons https://www.cleverbooks.eu/activityplans/ Download your marker here https://www.cleverbooks.eu/ar-apps/, print it, launch the App and enjoy.

Screenshots

Geometry Stash4 screens
CleverBooks Geometry4 screens

Verdict

The call

The clearest difference is in-app purchases: Geometry Stash at none against CleverBooks Geometry's 1. Geometry Stash also leads on update cadence (every 6 weeks vs every 5 months). CleverBooks Geometry's advantage is iOS requirement (10.0 vs 15.6). On price, 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. CleverBooks Geometry sells 1 one-off in-app purchase. Geometry Stash asks for nothing beyond the download.

UpkeepUpdate frequency

Geometry Stash ships an update every 6 weeks, CleverBooks Geometry every 5 months. The most recent releases landed on October 15, 2026 and October 4, 2026 respectively.

Scorecard3 real differences · 7 level
Geometry Stash versus CleverBooks Geometry: the parameters behind the verdict, then further details
ParameterGeometry StashCleverBooks Geometry
PriceFreeFree
Rating4.7 (11 ratings) — better—
Positive reviews83.3% of reviews—
Number of ratings11 — better—
Update frequencyEvery 6 weeks — betterEvery 5 months
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.610.0 — better
Further details — not scored
Size3 MB266 MB
Age rating4+4+
DeveloperAnson LiuCleverBooks Limited

Bugs and requests

Geometry Stash

Reported bugs

2 issues
  • Wrong theorems
  • Minor bugs fixed

Requested features

7 requests
  • More detailed illustrations
  • More theorems
  • More definitions of terms
  • More activities for students
  • Interactive elements
Show 2 more
  • Teacher control section
  • More formulas and theorems (e.g., slope formulas, orthocenters)

CleverBooks Geometry

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Geometry Stash

No in-app purchases

1 purchases

CleverBooks Geometry

One-time1
  • Geometry Game$1.99

Questions

Is Geometry Stash free?
Geometry Stash is free to download, with no in-app purchases.
Is CleverBooks Geometry free?
CleverBooks Geometry is free to download, with in-app purchases available.
Do Geometry Stash or CleverBooks Geometry have ads?
Neither Geometry Stash nor CleverBooks Geometry shows ads.
Which is updated more often, Geometry Stash or CleverBooks Geometry?
Geometry Stash ships an update every 6 weeks, and CleverBooks Geometry every 5 months. Most recently, Geometry Stash was updated on October 15, 2026 and CleverBooks Geometry on October 4, 2026.

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