# Cosmic Number Lines vs KaiBot ToolBox

Cosmic Number Lines and KaiBot ToolBox are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

## The numbers

| Metric | Cosmic Number Lines | KaiBot ToolBox |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Monthly |
| Size | 32 MB | 4 MB |
| Requires iOS | 17.0 | **16.6** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [American Printing House for the Blind (APH)](https://appshunter.io/developer/704570515) | [Kai's Education Limited](https://appshunter.io/developer/1460744915) |

## What reviewers say

### Cosmic Number Lines

[App page](https://appshunter.io/ios/app/cosmic-number-lines/id1620587282)

**Features:** macOS Compatibility

**In-app purchases:** none


### KaiBot ToolBox

[App page](https://appshunter.io/ios/app/kaibot-toolbox/id6761444773)

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

**In-app purchases:** none


## Frequently asked questions

### Is Cosmic Number Lines free?

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

### Is KaiBot ToolBox free?

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

### Do Cosmic Number Lines or KaiBot ToolBox have ads?

Neither Cosmic Number Lines nor KaiBot ToolBox 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.*