# ReadMoar vs Stacks

The clearest difference is update cadence: Stacks at every 5 days against ReadMoar's every 2 months. ReadMoar's advantage is iOS requirement (13.0 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. ReadMoar sells 1 one-off in-app purchase and Stacks sells 4 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

ReadMoar ships an update every 2 months, Stacks every 5 days. The most recent releases landed on October 25, 2026 and November 1, 2026 respectively.

## The numbers

| Metric | ReadMoar | Stacks |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/stacks-book-scanner-and-library/id6778984902/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 5 days** |
| Monetization | — | Freemium |
| Size | 32 MB | 19 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Sunslider](https://appshunter.io/developer/1818102599) | [Zenmonkeys Digital LLC](https://appshunter.io/developer/1868802546) |

## What reviewers say

### ReadMoar

[App page](https://appshunter.io/ios/app/readmoar/id6756614828)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Premium | $7.99 | one-time |


### Stacks

[App page](https://appshunter.io/ios/app/stacks-book-scanner-and-library/id6778984902)

Digitally catalog your physical book collection by scanning shelves or barcodes. Track reading progress, discover new books based on your taste, and manage your library with visual shelf displays and smart sorting. Offers insights into your reading habits and a wishlist feature.

**Highlights:** Shelf scanning for bulk book cataloging, Barcode scanning with auto-fill, Import/export from Goodreads/StoryGraph, Visual shelf and spine display, Reading progress tracking, Book scouting and wishlist building, Personalized reading recommendations

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $2.99 | per month |
| Pro Yearly | $19.99 | per year |
| 3 Scans | $0.99 | one-time |
| 15 Scans | $3.99 | one-time |


## Frequently asked questions

### Is ReadMoar free?

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

### Is Stacks free?

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

### Do ReadMoar or Stacks have ads?

Neither ReadMoar nor Stacks shows ads.

### Which is updated more often, ReadMoar or Stacks?

ReadMoar ships an update every 2 months, and Stacks every 5 days. Most recently, ReadMoar was updated on October 25, 2026 and Stacks on November 1, 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.*