# DCircuit Lab vs Sankey Diagram

The clearest difference is rating: Sankey Diagram at 4.3 against DCircuit Lab's 3.0. Sankey Diagram also leads on review sentiment (44% vs 11%) and update cadence (every 6 weeks vs every 10 months). DCircuit Lab's advantage is price ($3.99 vs $9.99). On ratings volume, ads, in-app purchases and monetization model there is nothing between them.

DCircuit Lab costs $3.99 and Sankey Diagram $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Sankey Diagram holds the better App Store score, 4.3 against 3.0. Both are backed by a comparable volume of ratings — 3 and 3 respectively. Written reviews point the same way: 11% of DCircuit Lab's written reviews are positive against 44% of Sankey Diagram's.

DCircuit Lab ships an update every 10 months, Sankey Diagram every 6 weeks. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | DCircuit Lab | Sankey Diagram |
| --- | --- | --- |
| Price | **$3.99** | $9.99 |
| Rating | [3.0 (3 ratings)](https://appshunter.io/ios/app/dcircuit-lab/id382544208/reviews) | **[4.3 (3 ratings)](https://appshunter.io/ios/app/sankey-diagram/id866376517/reviews)** |
| Number of ratings | 3 | 3 |
| Positive reviews | 11.1% of reviews | **44.4% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 10 months | **Every 6 weeks** |
| Monetization | Paid | Paid |
| Size | 3 MB | 1 MB |
| Requires iOS | 17.0 | **16.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Fabrizio Boco](https://appshunter.io/developer/466239616) | [squishLogic](https://appshunter.io/developer/353387502) |

## What reviewers say

### DCircuit Lab

[App page](https://appshunter.io/ios/app/dcircuit-lab/id382544208)

Design and simulate digital circuits with a comprehensive set of tools. Explore combinatorial and sequential logic, including gates, flip-flops, and custom components. Dynamic simulation with timing charts helps analyze circuit behavior.

**Highlights:** Combinatorial and sequential circuit simulation, Single-step and step-by-step simulation modes, Dynamic simulation with timing charts, Wide range of logic gates and flip-flops, Custom component creation via truth tables, Integrated video tutorials

**Features:** macOS Compatibility, 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 DCircuit Lab free?

DCircuit Lab costs $3.99, with no in-app purchases.

### Is Sankey Diagram free?

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

### Which has better reviews, DCircuit Lab or Sankey Diagram?

Sankey Diagram is rated higher. DCircuit Lab averages 3.0 out of 5 from 3 ratings, while Sankey Diagram averages 4.3 from 3 ratings.

### Do DCircuit Lab or Sankey Diagram have ads?

Neither DCircuit Lab nor Sankey Diagram shows ads.

### Which is updated more often, DCircuit Lab or Sankey Diagram?

DCircuit Lab ships an update every 10 months, and Sankey Diagram every 6 weeks. Most recently, DCircuit Lab was updated on October 23, 2026 and Sankey Diagram on October 24, 2026.

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