MathTech vs Sankey Diagram
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
MathTech
Create mathematical equations and documents on your device with a comprehensive editor. Supports a wide range of characters and operators, allowing for easy on-the-fly selection. Collaborate with others and share your work across social media.
- Text and equation editor
- Upper/lower-case Latin and Greek characters
- Mathematical operators
- Collaborative document editing
- Social media sharing
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Want to create mathematical equations on your device? MathTech provides a text and equation editor with complete upper- and lower-case Latin and Greek character sets coupled with most mathematical operators, all selectable on the fly from single key touches. No special language or formatting is required. Documents can be worked on collaboratively and shared on the popular social media outlets.
Sankey Diagram
Create professional Sankey diagrams to visualize flows and proportions. Easily add sources, sinks, and edit elements interactively. Export your diagrams as PDF or PNG, or share editable files with other users.
- Interactive Sankey diagram creation
- Adjustable flow sources and sinks
- Node and flow editing
- Color customization
- Export to PDF and PNG
- Shareable editable files
- Import data from CSV
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Professional drawing tool to create Sankey Diagrams. These diagrams show flows, where the width is proportional to the rate of flow. The diagrams can be created interactively, adding flow sources and sinks, moving nodes and flows around, editing colors, and more. The diagrams can be exported as a .PDF or .PNG, shared by email, messaging, and saved to the Camera Roll. A .SNK file version of your diagram can be shared by email with other Sankey Diagram app users, who will be able to load and edit the diagram. You can also create a diagram by importing a .CSV file from an email attachment or iCloud. The diagram is automatically created from the data in the spreadsheet. Edit diagrams on any of your devices using iCloud.
Screenshots
Verdict
The clearest difference is review sentiment: Sankey Diagram at 44% against MathTech's 0%. Sankey Diagram also leads on update cadence (every 6 weeks vs every 3 months). MathTech's advantage is price ($4.99 vs $9.99) and iOS requirement (13.0 vs 16.0). On ads, in-app purchases, monetization model 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
MathTech costs $4.99 and Sankey Diagram $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.
MathTech ships an update every 3 months, Sankey Diagram every 6 weeks. The most recent releases landed on September 18, 2026 and September 25, 2026 respectively.
| Parameter | MathTech | Sankey Diagram |
|---|---|---|
| Price | $4.99 — better | $9.99 |
| Rating | — | 4.3 (3 ratings) — better |
| Positive reviews | 0.0% of reviews | 44.4% of reviews — better |
| Number of ratings | — | 3 — better |
| Update frequency | Every 3 months | Every 6 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Paid |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 13.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 1 MB | 1 MB |
| Age rating | 12+ | 4+ |
| Developer | Kelly Technology Inc. | squishLogic |
Customer experience
MathTech
Sankey Diagram
In-app purchases
MathTech
No in-app purchases
Sankey Diagram
No in-app purchases
