# MathTech vs Sankey Diagram

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.

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.

## The numbers

| Metric | MathTech | Sankey Diagram |
| --- | --- | --- |
| Price | **$4.99** | $9.99 |
| Rating | — | **[4.3 (3 ratings)](https://appshunter.io/ios/app/sankey-diagram/id866376517/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | 0.0% of reviews | **44.4% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 6 weeks** |
| Monetization | Paid | Paid |
| Size | 1 MB | 1 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [Kelly Technology Inc.](https://appshunter.io/developer/393931941) | [squishLogic](https://appshunter.io/developer/353387502) |

## What reviewers say

### MathTech

[App page](https://appshunter.io/ios/app/mathtech/id558287625)

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.

**Highlights:** Text and equation editor, Upper/lower-case Latin and Greek characters, Mathematical operators, Collaborative document editing, Social media sharing

**Features:** Vision Pro support

**In-app purchases:** none


### Sankey Diagram

[App page](https://appshunter.io/ios/app/sankey-diagram/id866376517)

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.

**Highlights:** 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

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is MathTech free?

MathTech costs $4.99, with no in-app purchases.

### Is Sankey Diagram free?

Sankey Diagram costs $9.99, with no in-app purchases.

### Do MathTech or Sankey Diagram have ads?

Neither MathTech nor Sankey Diagram shows ads.

### Which is updated more often, MathTech or Sankey Diagram?

MathTech ships an update every 3 months, and Sankey Diagram every 6 weeks. Most recently, MathTech was updated on September 18, 2026 and Sankey Diagram on September 25, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*