# PB  JukeBox vs Crammerock

The clearest difference is device support: PB  JukeBox at 3 against Crammerock's 1. PB  JukeBox also leads on iOS requirement (9.0 vs 16.6). On price, update cadence, ads and in-app purchases there is nothing between them.

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

PB  JukeBox ships an update every 5 months, Crammerock every 7 months. The most recent releases landed on October 3, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | PB  JukeBox | Crammerock |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 months** | Every 7 months |
| Size | 21 MB | 109 MB |
| Requires iOS | **9.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [AppYourself GmbH](https://appshunter.io/developer/510739737) | [Crammerock](https://appshunter.io/developer/1826506812) |

## What reviewers say

### PB  JukeBox

[App page](https://appshunter.io/ios/app/pb-jukebox/id1191808337)

**Features:** macOS Compatibility

**In-app purchases:** none


### Crammerock

[App page](https://appshunter.io/ios/app/crammerock/id6748603375)

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

**In-app purchases:** none


## Frequently asked questions

### Is PB  JukeBox free?

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

### Is Crammerock free?

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

### Do PB  JukeBox or Crammerock have ads?

Neither PB  JukeBox nor Crammerock shows ads.

### Which is updated more often, PB  JukeBox or Crammerock?

PB  JukeBox ships an update every 5 months, and Crammerock every 7 months. Most recently, PB  JukeBox was updated on October 3, 2026 and Crammerock on September 28, 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.*