# Calculator 4U vs Jumblebook Notes

The clearest difference is device support: Jumblebook Notes at 3 against Calculator 4U's 1. Jumblebook Notes also leads on iOS requirement (12.0 vs 18.2). On price, ads and in-app purchases 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 | Calculator 4U | Jumblebook Notes |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | — |
| Size | 2 MB | 59 MB |
| Requires iOS | 18.2 | **12.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Naseer Mohammed](https://appshunter.io/developer/1794812503) | [Brenden Bishop](https://appshunter.io/developer/1791889693) |

## What reviewers say

### Calculator 4U

[App page](https://appshunter.io/ios/app/calculator-4u/id6741595255)

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

**In-app purchases:** none


### Jumblebook Notes

[App page](https://appshunter.io/ios/app/jumblebook-notes/id6741652060)

**In-app purchases:** none


## Frequently asked questions

### Is Calculator 4U free?

Calculator 4U is free to download, with no in-app purchases.

### Is Jumblebook Notes free?

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

### Do Calculator 4U or Jumblebook Notes have ads?

Neither Calculator 4U nor Jumblebook Notes 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.*