# iChemistry vs Blue Wall Construction AB

The clearest difference is update cadence: iChemistry at every 2 months against Blue Wall Construction AB's every 15 months. Blue Wall Construction AB's advantage is iOS requirement (11.0 vs 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.

iChemistry ships an update every 2 months, Blue Wall Construction AB every 15 months. The most recent releases landed on October 24, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | iChemistry | Blue Wall Construction AB |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 15 months |
| Size | 19 MB | 12 MB |
| Requires iOS | 15.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Intersolia](https://appshunter.io/developer/946874318) | [Roxx Communication Group](https://appshunter.io/developer/408833746) |

## What reviewers say

### iChemistry

[App page](https://appshunter.io/ios/app/ichemistry/id946874319)

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

**In-app purchases:** none


### Blue Wall Construction AB

[App page](https://appshunter.io/ios/app/blue-wall-construction-ab/id1580906404)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is iChemistry free?

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

### Is Blue Wall Construction AB free?

Blue Wall Construction AB is free to download, with no in-app purchases.

### Do iChemistry or Blue Wall Construction AB have ads?

Neither iChemistry nor Blue Wall Construction AB shows ads.

### Which is updated more often, iChemistry or Blue Wall Construction AB?

iChemistry ships an update every 2 months, and Blue Wall Construction AB every 15 months. Most recently, iChemistry was updated on October 24, 2026 and Blue Wall Construction AB on October 13, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*