# Curl Up vs ChapterPals

The clearest difference is in-app purchases: ChapterPals at none against Curl Up's 3. ChapterPals also leads on update cadence (every 2 days vs monthly). On price, ads, device support 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. ChapterPals asks for nothing beyond the download.

Curl Up ships an update monthly, ChapterPals every 2 days. Both last shipped on October 31, 2026.

## The numbers

| Metric | Curl Up | ChapterPals |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (5 ratings)](https://appshunter.io/ios/app/chapterpals/id6789365856/reviews)** |
| Number of ratings | — | **5** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Monthly | **Every 2 days** |
| Monetization | — | Free |
| Size | 19 MB | 55 MB |
| Requires iOS | **15.0** | 15.5 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 9+ |
| Developer | [Sophswrld LLC](https://appshunter.io/developer/6773105815) | [Edward Buchholz](https://appshunter.io/developer/1520514520) |

## What reviewers say

### 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 |


### ChapterPals

[App page](https://appshunter.io/ios/app/chapterpals/id6789365856)

This app helps you track your reading progress and manage your book club. Organize your reading lists, log progress, and discover new books. It also facilitates book club discussions, voting on the next read, and tracking member progress.

**Highlights:** Track reading progress by page or percent, Organize books into custom shelves, Set and track reading goals, Create and manage book clubs, Vote on next book selections, Chapter-based discussion threads, Daily 'Guess the Book' puzzle

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

**In-app purchases:** none


## Frequently asked questions

### Is Curl Up free?

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

### Is ChapterPals free?

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

### Do Curl Up or ChapterPals have ads?

Neither Curl Up nor ChapterPals shows ads.

### Which is updated more often, Curl Up or ChapterPals?

Curl Up ships an update monthly, and ChapterPals every 2 days. Most recently, Curl Up was updated on October 31, 2026 and ChapterPals 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.*