# BookWyrm vs Constant Reader

The clearest difference is in-app purchases: Constant Reader at none against BookWyrm's 3. Constant Reader also leads on update cadence (every 2 days vs fortnightly) and iOS requirement (17.0 vs 26.0). On price, ads and device support there is nothing between them.

Both are free to download. BookWyrm sells 3 in-app purchases, starting at $0.99 per month. Constant Reader asks for nothing beyond the download.

BookWyrm ships an update fortnightly, Constant Reader every 2 days. Both last shipped on October 31, 2026.

## The numbers

| Metric | BookWyrm | Constant Reader |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.9 (15 ratings)](https://appshunter.io/ios/app/constant-reader/id6760911719/reviews)** |
| Number of ratings | — | **15** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 2 days** |
| Monetization | — | Free |
| Size | 8 MB | 8 MB |
| Requires iOS | 26.0 | **17.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 9+ |
| Developer | [Rene Heijndijk](https://appshunter.io/developer/1547136138) | [Shed Labs LLC](https://appshunter.io/developer/1858129757) |

## What reviewers say

### BookWyrm

[App page](https://appshunter.io/ios/app/bookwyrm/id6760456115)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| BookWyrm Gold Monthly | $0.99 | per month |
| BookWyrm Gold Yearly | $8.99 | per year |
| BookWyrm Gold Lifetime | $24.99 | 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 BookWyrm free?

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

### Is Constant Reader free?

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

### Do BookWyrm or Constant Reader have ads?

Neither BookWyrm nor Constant Reader shows ads.

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

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