# EnteraCalc Continuous vs AAP Books Reader

The clearest difference is iOS requirement: AAP Books Reader at 15.6 against EnteraCalc Continuous's 18.1. 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 | EnteraCalc Continuous | AAP Books Reader |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | — |
| Size | 2 MB | 98 MB |
| Requires iOS | 18.1 | **15.6** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Peter Weiss](https://appshunter.io/developer/1783425640) | [American Academy of Pediatrics](https://appshunter.io/developer/409863343) |

## What reviewers say

### EnteraCalc Continuous

[App page](https://appshunter.io/ios/app/enteracalc-continuous/id6739096956)

**Features:** macOS Compatibility

**In-app purchases:** none


### AAP Books Reader

[App page](https://appshunter.io/ios/app/aap-books-reader/id6773410544)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is EnteraCalc Continuous free?

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

### Is AAP Books Reader free?

AAP Books Reader is free to download, with no in-app purchases.

### Do EnteraCalc Continuous or AAP Books Reader have ads?

Neither EnteraCalc Continuous nor AAP Books Reader 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.*