# permutation group vs DLD

The clearest difference is iOS requirement: DLD at 14.0 against permutation group's 16.6. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | permutation group | DLD |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/dld-logic-design-and-circuits/id6814475914/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 5 weeks |
| Monetization | — | Free |
| Size | 6 MB | 19 MB |
| Requires iOS | 16.6 | **14.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Sungjun Kim](https://appshunter.io/developer/1602461985) | [Muhammad Rafhan](https://appshunter.io/developer/1862281894) |

## What reviewers say

### permutation group

[App page](https://appshunter.io/ios/app/permutation-group/id6757737753)

**Features:** macOS Compatibility

**In-app purchases:** none


### DLD

[App page](https://appshunter.io/ios/app/dld-logic-design-and-circuits/id6814475914)

Design and simulate digital logic circuits in real-time. Build complex systems with a variety of components, visualize signal flow, and generate truth tables and Boolean equations. Ideal for students and enthusiasts learning digital logic.

**Highlights:** 28 digital logic components, Real-time signal animation, Automatic truth table generation, Boolean equation output, Offline circuit saving, Interactive tutorial section

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

**In-app purchases:** none


## Frequently asked questions

### Is permutation group free?

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

### Is DLD free?

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

### Do permutation group or DLD have ads?

Neither permutation group nor DLD shows ads.

---

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