# Sonachord vs Cirquanta

The clearest difference is update cadence: Cirquanta at weekly against Sonachord's every 2 months. Sonachord's advantage is iOS requirement (15.0 vs 18.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Sonachord sells 1 one-off in-app purchase and Cirquanta sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Sonachord ships an update every 2 months, Cirquanta weekly. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Sonachord | Cirquanta |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/cirquanta-circuit-simulator/id6790359913/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Weekly** |
| Monetization | — | Free with in-app purchases |
| Size | 31 MB | 10 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Christian Klinkenberg](https://appshunter.io/developer/1880791608) | [Mewey](https://appshunter.io/developer/530958597) |

## What reviewers say

### Sonachord

[App page](https://appshunter.io/ios/app/sonachord/id6759807993)

**Features:** Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock All Content | $17.99 | one-time |


### Cirquanta

[App page](https://appshunter.io/ios/app/cirquanta-circuit-simulator/id6790359913)

Visualize digital logic with a native circuit simulator. Build schematics, connect components, and observe real-time signal reactions. Ideal for learning, teaching, or prototyping digital systems offline.

**Highlights:** Build schematics on canvas, Real-time simulation, 40+ components library, 30-level learning campaign, Offline functionality, Private iCloud sync

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Cirquanta Pro | $9.99 | one-time |


## Frequently asked questions

### Is Sonachord free?

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

### Is Cirquanta free?

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

### Do Sonachord or Cirquanta have ads?

Neither Sonachord nor Cirquanta shows ads.

### Which is updated more often, Sonachord or Cirquanta?

Sonachord ships an update every 2 months, and Cirquanta weekly. Most recently, Sonachord was updated on November 5, 2026 and Cirquanta on October 31, 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.*