# Logic Circuit Simulator vs Spectroscope

The clearest difference is price: Logic Circuit Simulator at $2.99 against Spectroscope's $14.99. Logic Circuit Simulator also leads on iOS requirement (12.0 vs 15.0). Spectroscope's advantage is update cadence (every 5 days vs every 6 months) and chart position (#195 vs unranked). On ads, in-app purchases and device support there is nothing between them.

Logic Circuit Simulator costs $2.99 and Spectroscope $14.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Logic Circuit Simulator ships an update every 6 months, Spectroscope every 5 days. The most recent releases landed on September 20, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | Logic Circuit Simulator | Spectroscope |
| --- | --- | --- |
| Price | **$2.99** | $14.99 |
| Rating | **[3.4 (46 ratings)](https://appshunter.io/ios/app/logic-circuit-simulator/id1554116346/reviews)** | — |
| Number of ratings | **46** | — |
| Positive reviews | 21.1% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 5 days** |
| Monetization | Free | — |
| Best chart rank | — | **#195** |
| Size | 106 MB | 25 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ali Mert TUFEKCI](https://appshunter.io/developer/1483311309) | [LEONARDO TAZZINI](https://appshunter.io/developer/1751785749) |

## What reviewers say

### Logic Circuit Simulator

[App page](https://appshunter.io/ios/app/logic-circuit-simulator/id1554116346)

Design and test digital logic circuits with a comprehensive mobile simulator. Offers a wide range of logic gates, flip-flops, and display components for educational and professional use.

**Highlights:** Logic gate simulation, Flip-flop simulation, Display components, Circuit design, Component library

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

**In-app purchases:** none


### Spectroscope

[App page](https://appshunter.io/ios/app/spectroscope/id6741684078)

**Currently charting:** #195 Top Paid · Utilities (US App Store)

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

**In-app purchases:** none


## Frequently asked questions

### Is Logic Circuit Simulator free?

Logic Circuit Simulator costs $2.99, with no in-app purchases.

### Is Spectroscope free?

Spectroscope costs $14.99, with no in-app purchases.

### Do Logic Circuit Simulator or Spectroscope have ads?

Neither Logic Circuit Simulator nor Spectroscope shows ads.

### Which is updated more often, Logic Circuit Simulator or Spectroscope?

Logic Circuit Simulator ships an update every 6 months, and Spectroscope every 5 days. Most recently, Logic Circuit Simulator was updated on September 20, 2026 and Spectroscope on September 9, 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.*