# Copper Books vs Curl Up

The clearest difference is in-app purchases: Copper Books at none against Curl Up's 3. Copper Books also leads on update cadence (weekly vs monthly). Curl Up's advantage is device support (3 vs 1). On price, ads and iOS requirement there is nothing between them.

Both are free to download. Curl Up sells 3 in-app purchases, starting at $2.99 per month. Copper Books asks for nothing beyond the download.

Copper Books ships an update weekly, Curl Up monthly. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Copper Books | Curl Up |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (39 ratings)](https://appshunter.io/ios/app/copper-books/id1557778850/reviews)** | — |
| Number of ratings | **39** | — |
| Positive reviews | 83.3% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Monthly |
| Monetization | Free | — |
| Size | 87 MB | 19 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [Meet Copper Inc.](https://appshunter.io/developer/1557778852) | [Sophswrld LLC](https://appshunter.io/developer/6773105815) |

## What reviewers say

### Copper Books

[App page](https://appshunter.io/ios/app/copper-books/id1557778850)

This app fosters connections between authors and readers, creating engaging experiences around books. Users can discover new reads, join discussions, and express their literary tastes. It's designed for book lovers and creators alike to share their passion and grow within a vibrant community.

**Highlights:** Connect authors and readers, Discover new books, Join book discussions, Share recommendations, Track reading progress, Build digital bookshelves

**In-app purchases:** none


### Curl Up

[App page](https://appshunter.io/ios/app/curl-up/id6773105543)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $2.99 | per month |
| Premium Yearly | $19.99 | per year |
| Founding Reader Lifetime Offer | $49.99 | one-time |


## Frequently asked questions

### Is Copper Books free?

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

### Is Curl Up free?

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

### Do Copper Books or Curl Up have ads?

Neither Copper Books nor Curl Up shows ads.

### Which is updated more often, Copper Books or Curl Up?

Copper Books ships an update weekly, and Curl Up monthly. Most recently, Copper Books was updated on November 3, 2026 and Curl Up on October 31, 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.*