# JSON FORMATTER PRO vs Logic Circuit Simulator

The clearest difference is review sentiment: JSON FORMATTER PRO at 95% against Logic Circuit Simulator's 21%. JSON FORMATTER PRO also leads on price (Free vs $2.99) and rating (4.9 vs 3.4). On ratings volume, ads, in-app purchases and monetization model there is nothing between them.

JSON FORMATTER PRO is free to download; Logic Circuit Simulator costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

JSON FORMATTER PRO holds the better App Store score, 4.9 against 3.4. Both are backed by a comparable volume of ratings — 55 and 46 respectively. Written reviews point the same way: 95% of JSON FORMATTER PRO's written reviews are positive against 21% of Logic Circuit Simulator's.

JSON FORMATTER PRO ships an update daily, Logic Circuit Simulator every 6 months. The most recent releases landed on October 8, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | JSON FORMATTER PRO | Logic Circuit Simulator |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| Rating | **[4.9 (55 ratings)](https://appshunter.io/ios/app/json-formatter-pro/id1492653762/reviews)** | [3.4 (46 ratings)](https://appshunter.io/ios/app/logic-circuit-simulator/id1554116346/reviews) |
| Number of ratings | **55** | 46 |
| Positive reviews | **94.7% of reviews** | 21.1% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Daily** | Every 6 months |
| Monetization | Free | Free |
| Size | 1 MB | 106 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Creative Greenlight LLC](https://appshunter.io/developer/1120958194) | [Ali Mert TUFEKCI](https://appshunter.io/developer/1483311309) |

## What reviewers say

### JSON FORMATTER PRO

[App page](https://appshunter.io/ios/app/json-formatter-pro/id1492653762)

This utility app simplifies JSON formatting and validation. It offers syntax error highlighting and allows users to type or paste JSON data for easy manipulation and export. Ideal for developers and anyone working with JSON on the go.

**Highlights:** Syntax Error Highlighting, JSON Formatting, Type JSON, Paste JSON, Export JSON, Syntax Validation

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is JSON FORMATTER PRO free?

JSON FORMATTER PRO is free to download, with no in-app purchases.

### Is Logic Circuit Simulator free?

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

### Which has better reviews, JSON FORMATTER PRO or Logic Circuit Simulator?

JSON FORMATTER PRO is rated higher. JSON FORMATTER PRO averages 4.9 out of 5 from 55 ratings, while Logic Circuit Simulator averages 3.4 from 46 ratings.

### Do JSON FORMATTER PRO or Logic Circuit Simulator have ads?

Neither JSON FORMATTER PRO nor Logic Circuit Simulator shows ads.

### Which is updated more often, JSON FORMATTER PRO or Logic Circuit Simulator?

JSON FORMATTER PRO ships an update daily, and Logic Circuit Simulator every 6 months. Most recently, JSON FORMATTER PRO was updated on October 8, 2026 and Logic Circuit Simulator on October 7, 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.*