# XtremeLabs eReader vs Spine

The clearest difference is iOS requirement: XtremeLabs eReader at 14.0 against Spine's 26.0. 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 | XtremeLabs eReader | Spine |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Weekly | — |
| Size | 70 MB | 2 MB |
| Requires iOS | **14.0** | 26.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [XtremeLabs LLC](https://appshunter.io/developer/1779621023) | [Thought Tides LLC](https://appshunter.io/developer/1677066161) |

## What reviewers say

### XtremeLabs eReader

[App page](https://appshunter.io/ios/app/xtremelabs-ereader/id6738156858)

**Features:** macOS Compatibility

**In-app purchases:** none


### Spine

[App page](https://appshunter.io/ios/app/spine-chapter-reader/id6757416958)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is XtremeLabs eReader free?

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

### Is Spine free?

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

### Do XtremeLabs eReader or Spine have ads?

Neither XtremeLabs eReader nor Spine 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.*