# Circuit vs Singular

The clearest difference is in-app purchases: Circuit at none against Singular's 3. Circuit also leads on iOS requirement (15.1 vs 18.4). Singular's advantage is update cadence (daily vs every 5 weeks). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. Singular sells 3 in-app purchases, starting at $4.99 per 7 days. Circuit asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 1.0 for Circuit against 1.0 for Singular. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

Circuit ships an update every 5 weeks, Singular daily. The most recent releases landed on September 24, 2026 and September 27, 2026 respectively.

## The numbers

| Metric | Circuit | Singular |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (2 ratings)](https://appshunter.io/ios/app/circuit-design/id1618728154/reviews) | [1.0 (1 ratings)](https://appshunter.io/ios/app/singular-circuit-simulator/id6760304619/reviews) |
| Number of ratings | **2** | 1 |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 5 weeks | **Daily** |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 35 MB | 18 MB |
| Requires iOS | **15.1** | 18.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Om Prakash Chapagain](https://appshunter.io/developer/1618620262) | [Ali Mert TUFEKCI](https://appshunter.io/developer/1483311309) |

## What reviewers say

### Circuit

[App page](https://appshunter.io/ios/app/circuit-design/id1618728154)

Design, analyze, and solve electrical circuits with this comprehensive tool. It supports various circuit types, simplifies complex networks step-by-step, and includes educational resources on electrical laws and formulas. Save and share your designs locally.

**Highlights:** Design and analyze electrical circuits, Simplify complex resistor, capacitor, and inductor networks, Convert delta to wye and vice versa, Convert current to voltage sources and vice versa, Design or find resistor values, Step-by-step simplification visualization, Educational study tab with electrical laws and formulas

**Features:** macOS Compatibility

**In-app purchases:** none


### Singular

[App page](https://appshunter.io/ios/app/singular-circuit-simulator/id6760304619)

Design, simulate, and analyze analog and logic circuits on your mobile device. Features a powerful engine, a wide range of components, and an intuitive editor. Ideal for students, makers, and professionals.

**Highlights:** Analog & logic circuit simulation, Drag-and-drop circuit editor, Real-time transient, DC, and AC analysis, 40+ electronic components, Real-time oscilloscope, Offline functionality, Export and import circuits

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Plan | $4.99 | per 7 days |
| Weekly Plan | $9.99 | per month |
| Yearly Plan | $29.99 | per year |


## Frequently asked questions

### Is Circuit free?

Circuit is free to download, with no in-app purchases.

### Is Singular free?

Singular is free to download, with in-app purchases available.

### Which has better reviews, Circuit or Singular?

Circuit and Singular are both rated 1.0 out of 5 on the App Store, from 2 and 1 ratings respectively.

### Do Circuit or Singular have ads?

Both Circuit and Singular show ads.

### Which is updated more often, Circuit or Singular?

Circuit ships an update every 5 weeks, and Singular daily. Most recently, Circuit was updated on September 24, 2026 and Singular on September 27, 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.*