# Math Castle vs Lines

The clearest difference is iOS requirement: Math Castle at 17.0 against Lines's 26.0. 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 | Math Castle | Lines |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/math-castle/id6761670874/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 days | — |
| Monetization | Free | — |
| Size | 66 MB | 3 MB |
| Requires iOS | **17.0** | 26.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Turner Logic](https://appshunter.io/developer/1029653422) | [Bruno Faganello](https://appshunter.io/developer/982941970) |

## What reviewers say

### Math Castle

[App page](https://appshunter.io/ios/app/math-castle/id6761670874)

Master foundational and derived math facts through a multi-sensory approach. Practice addition, subtraction, multiplication, and division with customizable settings and unlock new levels as you progress. Create personalized printable practice sheets.

**Highlights:** Multi-sensory learning (see, hear, write), Master foundational and derived facts, Addition, subtraction, multiplication, division, Missing addend/factor settings, Unlockable castle levels, Customizable printable PDFs

**In-app purchases:** none


### 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 Math Castle free?

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

### Is Lines free?

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

### Do Math Castle or Lines have ads?

Neither Math Castle nor Lines shows ads.

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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.*