# Bookcase App vs Goniometer

The clearest difference is update cadence: Goniometer at weekly against Bookcase App's every 2 months. 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 App ships an update every 2 months, Goniometer weekly. Both last shipped on November 5, 2026.

## The numbers

| Metric | Bookcase App | Goniometer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Weekly** |
| Size | 39 MB | 69 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 17+ |
| Developer | [Jonathan Hubermann](https://appshunter.io/developer/1820298000) | [Procaryote](https://appshunter.io/developer/1591970439) |

## What reviewers say

### Bookcase App

[App page](https://appshunter.io/ios/app/bookcase-app/id6747995579)

**In-app purchases:** none


### Goniometer

[App page](https://appshunter.io/ios/app/goniometer-range/id6780147865)

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

**In-app purchases:** none


## Frequently asked questions

### Is Bookcase App free?

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

### Is Goniometer free?

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

### Do Bookcase App or Goniometer have ads?

Neither Bookcase App nor Goniometer shows ads.

### Which is updated more often, Bookcase App or Goniometer?

Bookcase App ships an update every 2 months, and Goniometer weekly. Most recently, Bookcase App was updated on November 5, 2026 and Goniometer on November 5, 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.*