# Shelvd vs Marcus

The clearest difference is update cadence: Shelvd at fortnightly against Marcus's every 2 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Shelvd sells 7 in-app purchases, starting at $6.00 per month and Marcus sells 2 in-app purchases, starting at $6.99 per month. Whichever you choose, the download price is not the number that matters.

Shelvd ships an update fortnightly, Marcus every 2 months. The most recent releases landed on October 31, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | Shelvd | Marcus |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.9 (11 ratings)](https://appshunter.io/ios/app/shelvd-smart-book-tracker/id6759407922/reviews)** | — |
| Number of ratings | **11** | — |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 2 months |
| Monetization | Free with in-app purchases | — |
| Size | 43 MB | 65 MB |
| Requires iOS | **16.0** | 16.4 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [Platform Thirteen](https://appshunter.io/developer/1878497050) | [Vukasin Rancic](https://appshunter.io/developer/1886442082) |

## What reviewers say

### Shelvd

[App page](https://appshunter.io/ios/app/shelvd-smart-book-tracker/id6759407922)

Effortlessly log your reading progress by simply taking a photo of any page. This app organizes your library visually, tracks detailed reading statistics, and syncs with Goodreads. It also facilitates book club participation and helps manage your to-read list.

**Highlights:** Photo-based page logging, Visual book shelves, Goodreads synchronization, Import entire reading history, Detailed reading statistics, Book club features, Add books via cover photo

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Plus (Monthly) | $6.00 | per month |
| Pro (Monthly) | $12.00 | per month |
| Full Shelfie (Monthly) | $18.00 | per month |
| Plus (Annual) | $58.00 | per year |
| Pro (Annual) | $114.99 | per year |
| Full Shelfie (Annual) | $172.99 | per year |
| Founders (Annual) | $299.99 | per year |


### Marcus

[App page](https://appshunter.io/ios/app/marcus-book-and-reading-tracker/id6792703147)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Marcus Pro Monthly | $6.99 | per month |
| Marcus Pro Annual | $49.99 | per year |


## Frequently asked questions

### Is Shelvd free?

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

### Is Marcus free?

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

### Do Shelvd or Marcus have ads?

Neither Shelvd nor Marcus shows ads.

### Which is updated more often, Shelvd or Marcus?

Shelvd ships an update fortnightly, and Marcus every 2 months. Most recently, Shelvd was updated on October 31, 2026 and Marcus on October 29, 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.*