# Book Finder vs KeyStart

The clearest difference is in-app purchases: KeyStart at none against Book Finder's 1. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Book Finder sells 1 one-off in-app purchase. KeyStart asks for nothing beyond the download.

## The numbers

| Metric | Book Finder | KeyStart |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.0 (1 ratings)](https://appshunter.io/ios/app/keystart/id6749829964/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | — | Every 13 months |
| Monetization | — | Free |
| Size | 9 MB | 24 MB |
| Requires iOS | 16.6 | 16.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Furkan Alcik](https://appshunter.io/developer/1463451323) | [Bernhard Mitas](https://appshunter.io/developer/1802023240) |

## What reviewers say

### Book Finder

[App page](https://appshunter.io/ios/app/book-finder-library-scanner/id6746682449)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| No Ads | $1.99 | one-time |


### KeyStart

[App page](https://appshunter.io/ios/app/keystart/id6749829964)

This utility app provides a reliable pitch tool for choirs, a cappella groups, and vocalists. Select your desired key, play the correct chord or note, and ensure your group starts singing in tune.

**Highlights:** Choir pitch tool, A cappella group support, Vocalist tuning, Key selection, Chord and note playback, Singing in tune

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

**In-app purchases:** none


## Frequently asked questions

### Is Book Finder free?

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

### Is KeyStart free?

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

### Do Book Finder or KeyStart have ads?

Neither Book Finder nor KeyStart shows ads.

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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.*