# IRE|BS CORE vs B.One

The clearest difference is update cadence: B.One at every 5 weeks against IRE|BS CORE's every 5 months. B.One also leads on device support (3 vs 1). On price, ads, in-app purchases and iOS requirement there is nothing between them.

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

IRE|BS CORE ships an update every 5 months, B.One every 5 weeks. The most recent releases landed on October 3, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | IRE|BS CORE | B.One |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 5 weeks** |
| Size | 101 MB | 102 MB |
| Requires iOS | 16.4 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [IREBS Community of Real Estate e.V.](https://appshunter.io/developer/1762282681) | [Evangelische Landeskirche in Wurttemberg](https://appshunter.io/developer/1468141561) |

## What reviewers say

### IRE|BS CORE

[App page](https://appshunter.io/ios/app/irebs-core/id6627340394)

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

**In-app purchases:** none


### B.One

[App page](https://appshunter.io/ios/app/bone/id6740525639)

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

**In-app purchases:** none


## Frequently asked questions

### Is IRE|BS CORE free?

IRE|BS CORE is free to download, with no in-app purchases.

### Is B.One free?

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

### Do IRE|BS CORE or B.One have ads?

Neither IRE|BS CORE nor B.One shows ads.

### Which is updated more often, IRE|BS CORE or B.One?

IRE|BS CORE ships an update every 5 months, and B.One every 5 weeks. Most recently, IRE|BS CORE was updated on October 3, 2026 and B.One on October 6, 2026.

---

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