# Block Harmonics vs Bus Crowd Flow

Block Harmonics and Bus Crowd Flow are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

## The numbers

| Metric | Block Harmonics | Bus Crowd Flow |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 9 days | — |
| Size | 31 MB | 101 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Ikuya Terasaka](https://appshunter.io/developer/1163471139) | [Emre Yazar](https://appshunter.io/developer/1526329565) |

## What reviewers say

### Block Harmonics

[App page](https://appshunter.io/ios/app/block-harmonics/id6752220613)

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

**In-app purchases:** none


### Bus Crowd Flow

[App page](https://appshunter.io/ios/app/bus-crowd-flow/id6785195400)

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

**In-app purchases:** none


## Frequently asked questions

### Is Block Harmonics free?

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

### Is Bus Crowd Flow free?

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

### Do Block Harmonics or Bus Crowd Flow have ads?

Both Block Harmonics and Bus Crowd Flow 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.*