ZenAI vs Linear Algebra
Price, ratings, monetisation and update history for both apps, side by side ā with what reviewers say about each.
ZenAI
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Transform your study routine with ZenAI, the ultimate homework helper! Simply take a photo of your math problems, essays, or science tasks, and ZenAI uses advanced AI to extract the content and provide free hints to get you started. Need the full solution? Unlock step-by-step answers with credits, purchasable via in-app purchases. Perfect for students seeking an stress-free way to learn, ZenAI supports a variety of subjects and adapts to your needs. Stay zen while mastering your homework! Key Features: - Photo-Based Homework Help: Upload or snap a picture of any homework task. - Free Hints: Get instant guidance to solve problems on your own. - Full Answers: Unlock detailed solutions with credits. - Credit System: Buy credits in-app (1, 5, or 10 packs) to access full answers. - User-Friendly: Simple interface designed for students of all ages. Download ZenAI today and make studying a breeze!
Linear Algebra
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MatrixViz makes linear algebra and computer graphics understandable by turning the maths into interactive visuals. Built for complete beginners, MatrixViz lets you drag vectors, reshape matrices, move cameras, adjust projections, and immediately see what each formula does. Every learning module connects a plain-language idea to a guided experiment, a live visual, the underlying equation, and a symbol-by-symbol explanation. LEARN LINEAR ALGEBRA VISUALLY ⢠Explore vectors in 2D and 3D ⢠Turn matrix columns into draggable handles ⢠See rotation, scale, shear, reflection, and composition happen live ⢠Understand determinants, inverse matrices, span, basis, and independence ⢠Discover eigenvectors by finding the directions a transformation cannot turn UNDERSTAND COMPUTER GRAPHICS ⢠Follow coordinates from object space to the screen ⢠Inspect model, view, and projection matrices ⢠Compare perspective and orthographic projection ⢠Learn cameras, frustums, lighting, normals, depth, blending, winding, and culling ⢠Experiment with Metal shader patterns using beginner-friendly visual controls LEARN BY DOING ⢠Guided lessons paired with the real interactive modules ⢠Always-visible formulas and plain-language symbol keys ⢠Sliders and direct manipulation instead of code-first controls ⢠Saved sandbox presets for returning to experiments ⢠Adaptive layouts for iPhone, iPad, Mac, and Apple Vision Pro ⢠Light and dark appearance options MATRIXVIZ PRO Optional MatrixViz Pro unlocks iCloud lesson-progress sync, educator presentation mode, and 1080p matrix-animation export across supported Apple platforms. MatrixViz Pro Monthly and MatrixViz Pro Yearly are auto-renewable subscriptions. Payment is charged to your Apple Account when the purchase is confirmed. Subscriptions renew automatically unless canceled at least 24 hours before the current period ends. You can manage or cancel subscriptions in Apple Account Settings. MatrixViz Pro Lifetime is a one-time purchase and does not renew. Prices vary by storefront. Privacy Policy: https://docs.google.com/document/d/1pWwcNOmDiuzImLw2JztnpJbhKFnS7unBt5iFSJZcz2w/edit?usp=sharing Terms of Use (Apple Standard EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Support: codedspartant@gmail.com
Screenshots
Verdict
The clearest difference is device support: Linear Algebra at 3 against ZenAI's 1. On price, update cadence, ads and in-app purchases there is nothing between them.
Scored on Price Ā· Rating Ā· Positive reviews Ā· Number of ratings Ā· Update frequency Ā· Ads Ā· In-app purchases Ā· Monetization Ā· Best chart rank Ā· Devices Ā· Requires iOS
Both are free to download. ZenAI sells 3 one-off in-app purchases and Linear Algebra sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
Both ship on a similar rhythm, roughly every 2 days. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.
| Parameter | ZenAI | Linear Algebra |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 days | Every 2 days |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Devices | iPhone | iPhone, iPad, Mac ā better |
| Requires iOS | 18.5 ā better | 18.6 |
| Further details ā not scored | ||
| Size | 6 MB | 21 MB |
| Age rating | 4+ | 4+ |
| Developer | ZenStudy Technologies - FZCO | Mohammed Yussif |
In-app purchases
ZenAI
- 1 Credit$0.99
- 5 Credits$3.99
- 10 Credits$5.99
Linear Algebra
- MatrixViz Pro Lifetime$44.99









