# CrossChem vs BIS mobile

The clearest difference is update cadence: CrossChem at every 2 months against BIS mobile's every 9 months. 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.

CrossChem ships an update every 2 months, BIS mobile every 9 months. The most recent releases landed on November 7, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | CrossChem | BIS mobile |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[2.0 (1 ratings)](https://appshunter.io/ios/app/bis-mobile/id1635528153/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 9 months |
| Monetization | — | Free |
| Size | 68 MB | 14 MB |
| Requires iOS | 14.0 | 14 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [CrossChem SIA](https://appshunter.io/developer/1560981232) | [BUVNIECIBAS VALSTS KONTROLES BIROJS](https://appshunter.io/developer/1635528155) |

## What reviewers say

### CrossChem

[App page](https://appshunter.io/ios/app/crosschem/id1560981230)

**Features:** macOS Compatibility

**In-app purchases:** none


### BIS mobile

[App page](https://appshunter.io/ios/app/bis-mobile/id1635528153)

This app facilitates communication for building information system users, enabling faster information exchange between construction and operation parties. It allows users to receive notifications, manage construction authorizations, submit and track complaints, and access house file data for owners.

**Highlights:** Receive and configure push notifications, View construction authorizations and delegations, Submit and track complaint status, Access house file data for owners, Edit homeowner contact information, Vote in owner surveys and general meetings

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is CrossChem free?

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

### Is BIS mobile free?

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

### Do CrossChem or BIS mobile have ads?

Neither CrossChem nor BIS mobile shows ads.

### Which is updated more often, CrossChem or BIS mobile?

CrossChem ships an update every 2 months, and BIS mobile every 9 months. Most recently, CrossChem was updated on November 7, 2026 and BIS mobile on November 3, 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.*