# Margins vs Constant Reader

The clearest difference is in-app purchases: Constant Reader at none against Margins's 2. Constant Reader also leads on update cadence (every 2 days vs every 4 days). Margins's advantage is ratings volume (20K vs 14) and chart position (#102 vs unranked). On price, rating, review sentiment and ads there is nothing between them.

Both are free to download. Margins sells 2 in-app purchases, starting at $5.99 per month. Constant Reader asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.9 for Margins against 4.9 for Constant Reader. That said, the two scores are not equally well evidenced: Margins has 20K ratings behind it against 14, so its average is the more settled of the two. Written reviews are what separate them: 95% of Margins's written reviews are positive against 100% of Constant Reader's.

Margins ships an update every 4 days, Constant Reader every 2 days. The most recent releases landed on October 19, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Margins | Constant Reader |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.9 (20K ratings)](https://appshunter.io/ios/app/margins-book-tracker/id6737528718/reviews) | [4.9 (14 ratings)](https://appshunter.io/ios/app/constant-reader/id6760911719/reviews) |
| Number of ratings | **20K** | 14 |
| Positive reviews | 95.3% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 days | **Every 2 days** |
| Monetization | Free with in-app purchases | **Free** |
| Best chart rank | **#102** | — |
| Size | 115 MB | 8 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 12+ | 9+ |
| Developer | [Paratext Inc.](https://appshunter.io/developer/1724586882) | [Shed Labs LLC](https://appshunter.io/developer/1858129757) |

## What reviewers say

### Margins

[App page](https://appshunter.io/ios/app/margins-book-tracker/id6737528718)

**Currently charting:** #102 Top Free · Book (US App Store)

This app helps you discover, track, and share your reading journey. It offers detailed tracking options, customizable features, and powerful search capabilities. Stay focused on your reading goals with built-in tools to minimize distractions.

**Highlights:** Half-star ratings, Track recommendations, Customizable book covers, Fuzzy date tracking, Advanced book search, Reading goals, Reading timer, Distraction blocking

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $5.99 | per month |
| Annual | $59.99 | per year |

**What reviewers like**

- 👍 Easy to use
- 🎨 Aesthetically pleasing design
- 🔍 Helpful search and recommendation features
- 📚 Comprehensive book tracking capabilities
- 🔄 Smooth import from Goodreads

**What reviewers complain about**

- 🐛 Missing books in the database
- 🔍 Limited search and filtering options
- 🔒 Concerns about using phone number for sign-up
- 🔢 Lack of social features and community

**Reported bugs**

- Reading time not saving correctly
- Inability to delete or edit books from lists
- Inconsistent behavior when importing data from Goodreads

**Requested features**

- Add ability to track page progress and percentage read
- Implement a profile system with custom avatars and bios
- Introduce a social feed to share reading activity with friends
- Add more advanced statistics and reading analytics


### Constant Reader

[App page](https://appshunter.io/ios/app/constant-reader/id6760911719)

Track your Stephen King reading journey and explore his universe with detailed insights and adaptation information. Unlock themed ranks as you progress through his iconic bibliography. Designed for fans with a private, fast, and simple experience.

**Highlights:** Track reading progress, Explore King's universe, Unlock themed ranks, Discover book adaptations, Private and fast experience, Stephen King inspired design

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

**In-app purchases:** none


## Frequently asked questions

### Is Margins free?

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

### Is Constant Reader free?

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

### Which has better reviews, Margins or Constant Reader?

Margins and Constant Reader are both rated 4.9 out of 5 on the App Store, from 20K and 14 ratings respectively.

### Do Margins or Constant Reader have ads?

Neither Margins nor Constant Reader shows ads.

### Which is updated more often, Margins or Constant Reader?

Margins ships an update every 4 days, and Constant Reader every 2 days. Most recently, Margins was updated on October 19, 2026 and Constant Reader on October 16, 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.*