# ShelfWorth vs Nous

The clearest difference is in-app purchases: ShelfWorth at none against Nous's 2. ShelfWorth also leads on iOS requirement (16.4 vs 18.0). Nous's advantage is update cadence (weekly vs every 11 months). On price, ads and device support there is nothing between them.

Both are free to download. Nous sells 2 in-app purchases, starting at $3.99 per month. ShelfWorth asks for nothing beyond the download.

ShelfWorth ships an update every 11 months, Nous weekly. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | ShelfWorth | Nous |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/nous-reading-tracker-and-notes/id6761879422/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 11 months | **Weekly** |
| Monetization | — | Freemium |
| Size | 54 MB | 31 MB |
| Requires iOS | **16.4** | 18.0 |
| Devices | iPhone, iPad | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 12+ |
| Developer | [Skivelane Limited](https://appshunter.io/developer/1751280684) | [Caelan Mitchell](https://appshunter.io/developer/1891915510) |

## What reviewers say

### ShelfWorth

[App page](https://appshunter.io/ios/app/shelfworth-library-net-worth/id6756181899)

**Features:** macOS Compatibility

**In-app purchases:** none


### Nous

[App page](https://appshunter.io/ios/app/nous-reading-tracker-and-notes/id6761879422)

This app helps you actively track your reading by taking notes, capturing highlights, and organizing your library. It offers features for reflection, goal setting, and seamless integration with other services to enhance your reading experience.

**Highlights:** Real-time reading notes and thoughts, Book library organization, Highlight capture via typing or OCR, Reading session reflection and summary, Goal setting and streak tracking, Sync with Obsidian and Kindle, Homescreen widgets

**Features:** Apple Watch app, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Nous Plus — Monthly | $3.99 | per month |
| Nous Plus — Yearly | $29.99 | per year |


## Frequently asked questions

### Is ShelfWorth free?

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

### Is Nous free?

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

### Do ShelfWorth or Nous have ads?

Neither ShelfWorth nor Nous shows ads.

### Which is updated more often, ShelfWorth or Nous?

ShelfWorth ships an update every 11 months, and Nous weekly. Most recently, ShelfWorth was updated on October 30, 2026 and Nous on October 31, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*