# Substation Engineer Suite vs Libertarian Stone

The clearest difference is ads: Substation Engineer Suite at none against Libertarian Stone's shown. Libertarian Stone's advantage is iOS requirement (15.0 vs 17.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Substation Engineer Suite sells 3 one-off in-app purchases and Libertarian Stone sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | Substation Engineer Suite | Libertarian Stone |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | — | Every 9 days |
| Size | 463 MB | 54 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 9+ |
| Developer | [Yuhsiu Lai](https://appshunter.io/developer/433114647) | [LiberBlock LLC](https://appshunter.io/developer/6787802478) |

## What reviewers say

### Substation Engineer Suite

[App page](https://appshunter.io/ios/app/substation-engineer-suite/id6780664986)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Electrical Substation Toolkit | $4.99 | one-time |
| 3D Explorer | $4.99 | one-time |
| All Modules Bundle | $7.99 | one-time |


### Libertarian Stone

[App page](https://appshunter.io/ios/app/libertarian-stone/id6787802476)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Libertarian Stone Premium | $9.99 | one-time |


## Frequently asked questions

### Is Substation Engineer Suite free?

Substation Engineer Suite is free to download, with in-app purchases available.

### Is Libertarian Stone free?

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

### Do Substation Engineer Suite or Libertarian Stone have ads?

Libertarian Stone shows ads; Substation Engineer Suite does not.

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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.*