# Chapter vs PlotLock

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

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

Chapter ships an update fortnightly, PlotLock every 2 weeks. The most recent releases landed on November 12, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Chapter | PlotLock |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/chapter/id6737006780/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Fortnightly | **Every 2 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 110 MB | 3 MB |
| Requires iOS | 16.4 | **15.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Diego Frias Nerio](https://appshunter.io/developer/1774347561) | [Nicholas Figliolia](https://appshunter.io/developer/1896735478) |

## What reviewers say

### Chapter

[App page](https://appshunter.io/ios/app/chapter/id6737006780)

Organize your reading life with this app. Track progress, log updates, and build a personalized library. Set goals, save notes, and share your reading journey with friends.

**Highlights:** Track reading progress, Log daily updates, Build a personalized library, Add custom covers, Organize by format/status, Set reading goals, Save notes and quotes, Shared readings with friends

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Chapter Premium Monthly | $2.99 | per month |
| Chapter Premium Quarterly | $7.99 | per 3 months |
| Chapter Premium Yearly | $24.99 | per year |


### PlotLock

[App page](https://appshunter.io/ios/app/plotlock/id6809834021)

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

**In-app purchases:** none


## Frequently asked questions

### Is Chapter free?

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

### Is PlotLock free?

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

### Do Chapter or PlotLock have ads?

Chapter shows ads; PlotLock does not.

### Which is updated more often, Chapter or PlotLock?

Chapter ships an update fortnightly, and PlotLock every 2 weeks. Most recently, Chapter was updated on November 12, 2026 and PlotLock 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.*