# Stamper vs KRed Reader

The clearest difference is price: KRed Reader at Free against Stamper's $1.99. On update cadence, ads, in-app purchases and device support there is nothing between them.

KRed Reader is free to download; Stamper costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Stamper ships an update every 3 weeks, KRed Reader monthly. The most recent releases landed on October 9, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Stamper | KRed Reader |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | — | **[4.9 (46 ratings)](https://appshunter.io/ios/app/kred-reader/id6746400449/reviews)** |
| Number of ratings | — | **46** |
| Positive reviews | — | 90.9% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Monthly |
| Monetization | — | Free |
| Size | 4 MB | 57 MB |
| Requires iOS | 14.0 | 14.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Yipeng Huang](https://appshunter.io/developer/1472467824) | [Kingjet Network Co., Ltd.](https://appshunter.io/developer/1816660382) |

## What reviewers say

### Stamper

[App page](https://appshunter.io/ios/app/stamper/id1472467825)

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

**In-app purchases:** none


### KRed Reader

[App page](https://appshunter.io/ios/app/kred-reader/id6746400449)

This app offers a minimalist and distraction-free reading experience for various e-book formats, including novels, comics, and academic papers. It features customizable layouts, text-to-speech functionality, and multiple import options for easy library management.

**Highlights:** Supports EPUB, PDF, MOBI, AZW3, TXT, CBZ, CBR, Distraction-free minimalist interface, Customizable fonts, spacing, and night mode, Text-to-Speech (TTS) for TXT files, WiFi, Web, and Photo-to-Book import options, Smart bookshelf with auto-categorization

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Stamper free?

Stamper costs $1.99, with no in-app purchases.

### Is KRed Reader free?

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

### Do Stamper or KRed Reader have ads?

Neither Stamper nor KRed Reader shows ads.

### Which is updated more often, Stamper or KRed Reader?

Stamper ships an update every 3 weeks, and KRed Reader monthly. Most recently, Stamper was updated on October 9, 2026 and KRed Reader on October 15, 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.*