# Stack Jam vs Bus Flow Master

The clearest difference is iOS requirement: Stack Jam at 12.0 against Bus Flow Master's 15.0. 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.

## The numbers

| Metric | Stack Jam | Bus Flow Master |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | — | Every 3 weeks |
| Size | 91 MB | 254 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Microdose Oy](https://appshunter.io/developer/1558832409) | [PIXPOP PTE. LTD.](https://appshunter.io/developer/1894999368) |

## What reviewers say

### Stack Jam

[App page](https://appshunter.io/ios/app/stack-jam-sort-colors/id6738658523)

**Features:** macOS Compatibility

**In-app purchases:** none


### Bus Flow Master

[App page](https://appshunter.io/ios/app/bus-flow-master-penguin-trip/id6815195279)

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

**In-app purchases:** none


## Frequently asked questions

### Is Stack Jam free?

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

### Is Bus Flow Master free?

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

### Do Stack Jam or Bus Flow Master have ads?

Both Stack Jam and Bus Flow Master show 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.*