# Mindstone vs Lines

The clearest difference is in-app purchases: Lines at none against Mindstone's 3. Lines also leads on ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Mindstone sells 3 in-app purchases, starting at $9.99 per month. Lines asks for nothing beyond the download.

## The numbers

| Metric | Mindstone | Lines |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 9 days | — |
| Size | 132 MB | 3 MB |
| Requires iOS | 26.0 | 26.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 17+ | 4+ |
| Developer | [App Advisory](https://appshunter.io/developer/657096670) | [Bruno Faganello](https://appshunter.io/developer/982941970) |

## What reviewers say

### Mindstone

[App page](https://appshunter.io/ios/app/mindstone-ai-podcasts/id6758264664)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Mindstone Plus Monthly | $9.99 | per month |
| Mindstone Plus Quarterly | $17.99 | per 3 months |
| Mindstone Plus Yearly | $49.99 | per year |


### Lines

[App page](https://appshunter.io/ios/app/lines-math-visualizer/id6778126909)

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

**In-app purchases:** none


## Frequently asked questions

### Is Mindstone free?

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

### Is Lines free?

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

### Do Mindstone or Lines have ads?

Mindstone shows ads; Lines 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.*