# ARCHapp vs KBF

ARCHapp and KBF are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases 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.

ARCHapp ships an update every 3 months, KBF every 5 months. Both last shipped on October 6, 2026.

## The numbers

| Metric | ARCHapp | KBF |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 5 months |
| Monetization | Free | — |
| Size | 27 MB | 28 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Krystian Kruk](https://appshunter.io/developer/1369148528) | [Krakowskie Biuro Festiwalowe](https://appshunter.io/developer/673929241) |

## What reviewers say

### ARCHapp

[App page](https://appshunter.io/ios/app/archapp/id1439813722)

Discover upcoming architecture events, stay updated on industry news, and connect with design professionals. Find exclusive deals and product launches tailored for architects.

**Highlights:** Event discovery and notifications, Architecture and design news feed, Professional contact management, Exclusive deals and product launches, Event registration

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

**In-app purchases:** none


### KBF

[App page](https://appshunter.io/ios/app/kbf-plus/id1617612739)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ARCHapp free?

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

### Is KBF free?

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

### Do ARCHapp or KBF have ads?

Neither ARCHapp nor KBF shows ads.

### Which is updated more often, ARCHapp or KBF?

ARCHapp ships an update every 3 months, and KBF every 5 months. Most recently, ARCHapp was updated on October 6, 2026 and KBF on October 6, 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.*