Vulcanize vs Formula Kit
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Vulcanize
Easily send beautifully rendered mathematical formulas within iMessage. Write equations using LaTeX and see them previewed live, or create stickers from your formulas for quick sharing. Access your previously created formulas with ease.
- Send rendered math formulas via iMessage
- Write formulas using LaTeX
- Live preview of formulas
- Create iMessage stickers from formulas
- Access past formulas
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Vulcanize makes it easy to send beautiful mathematical formulas using iMessage. No longer will you send or recieve unreadable messages that look like "integrate mu_0/(4*pi)*Idl*sin(theta)/r^2 from 0 to 2*pi*r"–instead, you'll get a neat, well-rendered formula. • Write your formulas using LaTeX • View formulas inline with the live preview • Create iMessage stickers with your formulas • Easily access past formulas
Formula Kit
Easily create, edit, and export mathematical and scientific formulas with a dedicated LaTeX editor. Features real-time rendering, a custom keyboard, and extensive template library for offline use.
- Real-time LaTeX rendering
- Over 400 formula templates
- Custom auxiliary keyboard
- Image and code export
- Formula library and management
- Offline functionality
- History and preview
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Your pocket LaTeX formula editor, whether it's writing academic papers, lesson preparation notes, or organizing science and engineering notes, FormulaKit can help you efficiently input, edit, and export formulas. Core Features: LaTeX real-time rendering is based on the KaTeX engine, with input visible immediately. Supports over 400 preset formula templates, covering 14 disciplines including algebra, calculus, linear algebra, probability and statistics, physics, chemistry, and computer science. Exclusive auxiliary keyboard is a custom keyboard optimized for formula input, with clear symbol panel classification (Greek letters, operators, sets, arrows, matrices, etc.), precise cursor dragging, greatly improving input efficiency. Image export, one click save formula as high-definition image to album, convenient for inserting documents, PPT or sharing with others; Code export, export Latex, MathML, HTML, SVG code. Formula library and classification management support creating custom folders and categorizing to save formulas. Pre set 405 classic formulas out of the box, commonly used formulas can be easily saved with just one click. History and preview automatically save editing history, supporting quick thumbnail browsing. Full screen preview mode, automatically prompted after copying the formula. highlights Completely offline - no network required, all functions run locally Privacy priority - Formula data cannot be exported from the device Lightweight and efficient - fast startup, smooth rendering Pure offline payment - one-time purchase, permanent use Target Audience Students (high school/university/graduate) Teachers and Professors researcher Engineers and technical writers Anyone who needs to input mathematical formulas Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is review sentiment: Formula Kit at 100% against Vulcanize's 55%. Vulcanize's advantage is monetization model (free vs paid) and iOS requirement (10.0 vs 17.0). On price, ads, in-app purchases 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | Vulcanize | Formula Kit |
|---|---|---|
| Price | Free | Free |
| Rating | 3.2 (26 ratings) — better | — |
| Positive reviews | 54.5% of reviews | 100.0% of reviews — better |
| Number of ratings | 26 — better | — |
| Update frequency | — | Every 10 days |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free — better | Paid |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Requires iOS | 10.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 21 MB | 5 MB |
| Age rating | 4+ | 4+ |
| Developer | Saagar Jha | 玉良 刘 |
Customer experience
Vulcanize
Formula Kit
In-app purchases
Vulcanize
No in-app purchases
Formula Kit
No in-app purchases









