# eReader vs Ottisk

The clearest difference is in-app purchases: Ottisk at none against eReader's 2. Ottisk also leads on ads (none vs shown) and update cadence (every 2 weeks vs every 3 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. eReader sells 2 in-app purchases, starting at $3.99 per month. Ottisk asks for nothing beyond the download.

eReader ships an update every 3 months, Ottisk every 2 weeks. The most recent releases landed on October 31, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | eReader | Ottisk |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | **Every 2 weeks** |
| Size | 13 MB | 9 MB |
| Requires iOS | 26.0 | 26.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [sina alparslan](https://appshunter.io/developer/1781707452) | [Andrei Toistev](https://appshunter.io/developer/6794246056) |

## What reviewers say

### eReader

[App page](https://appshunter.io/ios/app/ereader-epub-pdf-book-reader/id6759874723)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $3.99 | per month |
| Yearly Subscription | $24.99 | per year |


### Ottisk

[App page](https://appshunter.io/ios/app/ottisk/id6794246054)

**In-app purchases:** none


## Frequently asked questions

### Is eReader free?

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

### Is Ottisk free?

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

### Do eReader or Ottisk have ads?

eReader shows ads; Ottisk does not.

### Which is updated more often, eReader or Ottisk?

eReader ships an update every 3 months, and Ottisk every 2 weeks. Most recently, eReader was updated on October 31, 2026 and Ottisk on November 10, 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.*