# Bookcase! vs Fraction Flow

The clearest difference is update cadence: Fraction Flow at every 4 days against Bookcase!'s every 24 months. Fraction Flow also leads on iOS requirement (12.0 vs 26.5). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Bookcase! ships an update every 24 months, Fraction Flow every 4 days. The most recent releases landed on November 2, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | Bookcase! | Fraction Flow |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.5 (38 ratings)](https://appshunter.io/ios/app/bookcase/id1191400786/reviews)** | — |
| Number of ratings | **38** | — |
| Positive reviews | 48.1% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 24 months | **Every 4 days** |
| Monetization | Free | — |
| Size | 7 MB | 28 MB |
| Requires iOS | 26.5 | **12.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Craig Grummitt](https://appshunter.io/developer/850010899) | [John Colani](https://appshunter.io/developer/1587899971) |

## What reviewers say

### Bookcase!

[App page](https://appshunter.io/ios/app/bookcase/id1191400786)

Organize your physical book collection by tracking ownership, location, and personal ratings. Quickly add books using an ISBN scanner to automatically retrieve title, author, and cover art.

**Highlights:** Track physical book ownership, Record book locations, Assign star ratings, ISBN scanner for automatic data entry, Download book cover art, Add personal notes

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

**In-app purchases:** none


### Fraction Flow

[App page](https://appshunter.io/ios/app/fraction-flow/id6742278209)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Bookcase! free?

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

### Is Fraction Flow free?

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

### Do Bookcase! or Fraction Flow have ads?

Neither Bookcase! nor Fraction Flow shows ads.

### Which is updated more often, Bookcase! or Fraction Flow?

Bookcase! ships an update every 24 months, and Fraction Flow every 4 days. Most recently, Bookcase! was updated on November 2, 2026 and Fraction Flow on November 8, 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.*