# Quillet vs Koham

The clearest difference is in-app purchases: Quillet at none against Koham's 1. Quillet also leads on iOS requirement (17.4 vs 27.0). Koham's advantage is update cadence (weekly vs every 2 weeks). On price, ads and device support there is nothing between them.

Both are free to download. Koham sells 1 one-off in-app purchase. Quillet asks for nothing beyond the download.

Quillet ships an update every 2 weeks, Koham weekly. The most recent releases landed on October 5, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Quillet | Koham |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/koham/id6792972491/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Weekly** |
| Monetization | — | Free with in-app purchases |
| Size | 21 MB | 23 MB |
| Requires iOS | **17.4** | 27.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [Aviv Nahon](https://appshunter.io/developer/1643978978) | [统伟 陈](https://appshunter.io/developer/1766625276) |

## What reviewers say

### Quillet

[App page](https://appshunter.io/ios/app/quillet/id6774885625)

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

**In-app purchases:** none


### Koham

[App page](https://appshunter.io/ios/app/koham/id6792972491)

Engage in deep conversations with your books using AI. Import your EPUBs and explore their content through interactive dialogue, fostering self-understanding. The app also features a calm EPUB reader and remembers your discussion history.

**Highlights:** AI-powered book conversations, Import personal EPUB collections, Real-time voice interaction, EPUB reader with customization, Discussion memory and editing, API key configuration for AI

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Koham Supporter | $6.99 | one-time |


## Frequently asked questions

### Is Quillet free?

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

### Is Koham free?

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

### Do Quillet or Koham have ads?

Neither Quillet nor Koham shows ads.

### Which is updated more often, Quillet or Koham?

Quillet ships an update every 2 weeks, and Koham weekly. Most recently, Quillet was updated on October 5, 2026 and Koham on October 24, 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.*