# EbbyCalc vs ReadEW

The clearest difference is ads: EbbyCalc at none against ReadEW's shown. On price, update cadence, 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.

EbbyCalc ships an update every 9 months, ReadEW every 11 months. The most recent releases landed on October 8, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | EbbyCalc | ReadEW |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 9 months** | Every 11 months |
| Size | 1 MB | 76 MB |
| Requires iOS | **13.0** | 14.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Ansel Rognlie](https://appshunter.io/developer/1489769922) | [Nguyen Hang](https://appshunter.io/developer/1018844469) |

## What reviewers say

### EbbyCalc

[App page](https://appshunter.io/ios/app/ebbycalc/id1489769923)

**In-app purchases:** none


### ReadEW

[App page](https://appshunter.io/ios/app/readew-book-reader/id1526819560)

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

**In-app purchases:** none


## Frequently asked questions

### Is EbbyCalc free?

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

### Is ReadEW free?

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

### Do EbbyCalc or ReadEW have ads?

ReadEW shows ads; EbbyCalc does not.

### Which is updated more often, EbbyCalc or ReadEW?

EbbyCalc ships an update every 9 months, and ReadEW every 11 months. Most recently, EbbyCalc was updated on October 8, 2026 and ReadEW on October 6, 2026.

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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.*