# Shelfy vs Constant Reader

The clearest difference is review sentiment: Constant Reader at 100% against Shelfy's 28%. Constant Reader also leads on in-app purchases (none vs 13) and ads (none vs shown). Shelfy's advantage is ratings volume (1.3K vs 15) and chart position (#38 vs unranked). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Shelfy sells 12 in-app purchases, starting at $4.99 per 7 days. Constant Reader asks for nothing beyond the download.

Constant Reader holds the better App Store score, 4.9 against 4.5. That said, the two scores are not equally well evidenced: Shelfy has 1.3K ratings behind it against 15, so its average is the more settled of the two. Written reviews point the same way: 28% of Shelfy's written reviews are positive against 100% of Constant Reader's.

Shelfy ships an update every 6 days, Constant Reader every 2 days. The most recent releases landed on October 31, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Shelfy | Constant Reader |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (1.3K ratings)](https://appshunter.io/ios/app/shelfy-book-tracker-and-tbr/id6755626127/reviews) | **[4.9 (15 ratings)](https://appshunter.io/ios/app/constant-reader/id6760911719/reviews)** |
| Number of ratings | **1.3K** | 15 |
| Positive reviews | 27.7% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 6 days | **Every 2 days** |
| Monetization | Free with in-app purchases | **Free** |
| Best chart rank | **#38** | — |
| Size | 180 MB | 8 MB |
| Requires iOS | 17.6 | **17.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 9+ |
| Developer | [Oleksandr Oleksandrovych Murakhovskyi](https://appshunter.io/developer/1822060947) | [Shed Labs LLC](https://appshunter.io/developer/1858129757) |

## What reviewers say

### Shelfy

[App page](https://appshunter.io/ios/app/shelfy-book-tracker-and-tbr/id6755626127)

**Currently charting:** #38 Top Grossing · Book, #54 Top Free · Book (US App Store)

This app helps you build a personalized digital library, track your reading habits with a focused timer and ambient sounds, and capture memorable quotes. Discover new books, view insightful stats, and even import your existing library from other services.

**Highlights:** Build and customize a 3D digital bookshelf, Focused reading timer with ambient soundscapes, Capture and search book quotes, Personalized book recommendations, Track reading stats and earn achievements, Import libraries from Goodreads and StoryGraph, Ask questions about books as you read

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

**In-app purchases (12)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly subscription | $4.99 | per 7 days |
| Weekly subscription | $4.99 | per 7 days |
| Monthly subscription | $9.99 | per month |
| Monthly subscription | $14.99 | per month |
| Yearly subscription with 30% off | $24.99 | per year |
| Yearly subscription | $29.99 | per year |
| Yearly subscription | $38.99 | per year |
| Yearly subscription | $38.99 | per year |
| Yearly subscription | $44.99 | per year |
| 10 Spines | $2.99 | one-time |
| 100 Spines | $24.99 | one-time |
| Lifetime access to Shelfy | $99.99 | one-time |


### 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 Shelfy free?

Shelfy 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, Shelfy or Constant Reader?

Constant Reader is rated higher. Shelfy averages 4.5 out of 5 from 1.3K ratings, while Constant Reader averages 4.9 from 15 ratings.

### Do Shelfy or Constant Reader have ads?

Shelfy shows ads; Constant Reader does not.

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

Shelfy ships an update every 6 days, and Constant Reader every 2 days. Most recently, Shelfy was updated on October 31, 2026 and Constant Reader 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.*