# BIM CMS vs HY

The clearest difference is ads: HY at none against BIM CMS's shown. HY also leads on update cadence (every 9 days vs every 3 weeks). BIM CMS's advantage is iOS requirement (12.0 vs 15.6). On price, 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.

BIM CMS ships an update every 3 weeks, HY every 9 days. The most recent releases landed on October 4, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | BIM CMS | HY |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | **Every 9 days** |
| Size | 47 MB | 123 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [BIM Stacks Data Tech. CO., LTD.](https://appshunter.io/developer/1473736163) | [志波 朱](https://appshunter.io/developer/1823168317) |

## What reviewers say

### BIM CMS

[App page](https://appshunter.io/ios/app/bim-cms/id1480999001)

**Features:** macOS Compatibility

**In-app purchases:** none


### HY

[App page](https://appshunter.io/ios/app/hy-fpv/id6749525735)

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

**In-app purchases:** none


## Frequently asked questions

### Is BIM CMS free?

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

### Is HY free?

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

### Do BIM CMS or HY have ads?

BIM CMS shows ads; HY does not.

### Which is updated more often, BIM CMS or HY?

BIM CMS ships an update every 3 weeks, and HY every 9 days. Most recently, BIM CMS was updated on October 4, 2026 and HY on October 25, 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.*