# CalibReader vs NextPhase Reader

The clearest difference is chart position: CalibReader at #177 against NextPhase Reader's unranked. NextPhase Reader's advantage is iOS requirement (17.0 vs 26.2). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. CalibReader sells 1 one-off in-app purchase and NextPhase Reader sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | CalibReader | NextPhase Reader |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (6 ratings)](https://appshunter.io/ios/app/calibreader-epub-and-pdf-reader/id6777391511/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 days | — |
| Monetization | Free with in-app purchases | — |
| Best chart rank | **#177** | — |
| Size | 49 MB | 90 MB |
| Requires iOS | 26.2 | **17.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [Gram 1](https://appshunter.io/developer/1895687118) | [NextPhase LLC](https://appshunter.io/developer/1847032108) |

## What reviewers say

### CalibReader

[App page](https://appshunter.io/ios/app/calibreader-epub-and-pdf-reader/id6777391511)

**Currently charting:** #177 Top Free · Book (US App Store)

This app offers a reading experience for EPUB and PDF files, featuring dual-page spreads and realistic page curls. It integrates with your existing calibre library and supports various cloud storage options. Enjoy a customizable reading environment and seamless syncing across devices.

**Highlights:** Dual-page spread and page curl effect, Calibre library integration, Cloud storage support (iCloud, Dropbox, OneDrive), Cross-device reading position sync, Customizable themes and fonts, Built-in dictionary, PDF reader with two-page spreads

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock All Books Forever | $9.99 | one-time |


### NextPhase Reader

[App page](https://appshunter.io/ios/app/nextphase-reader/id6816787032)

**Features:** Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| NextPhase Reader Pro | $29.99 | one-time |


## Frequently asked questions

### Is CalibReader free?

CalibReader is free to download, with in-app purchases available.

### Is NextPhase Reader free?

NextPhase Reader is free to download, with in-app purchases available.

### Do CalibReader or NextPhase Reader have ads?

Neither CalibReader nor NextPhase 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.*