# Open Banking Expo vs Booking Brain

The clearest difference is device support: Booking Brain at 3 against Open Banking Expo's 1. Booking Brain also leads on iOS requirement (15.1 vs 17.4). On price, update cadence, ads and in-app purchases there is nothing between them.

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

Open Banking Expo ships an update every 5 days, Booking Brain every 4 days. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Open Banking Expo | Booking Brain |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/open-banking-expo/id1643720153/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 days | **Every 4 days** |
| Monetization | Free | — |
| Size | 146 MB | 53 MB |
| Requires iOS | 17.4 | **15.1** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Borough Bench Media Ltd](https://appshunter.io/developer/1643720155) | [BOOKING BRAIN LTD](https://appshunter.io/developer/1889518669) |

## What reviewers say

### Open Banking Expo

[App page](https://appshunter.io/ios/app/open-banking-expo/id1643720153)

Enhance your experience at industry-leading conferences with this event app. Access agendas, speaker and exhibitor details, and network with peers. Receive real-time updates to make the most of your conference attendance.

**Highlights:** Event agendas, Speaker details, Exhibitor information, Networking tools, Real-time updates

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

**In-app purchases:** none


### Booking Brain

[App page](https://appshunter.io/ios/app/booking-brain/id6761420937)

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

**In-app purchases:** none


## Frequently asked questions

### Is Open Banking Expo free?

Open Banking Expo is free to download, with no in-app purchases.

### Is Booking Brain free?

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

### Do Open Banking Expo or Booking Brain have ads?

Neither Open Banking Expo nor Booking Brain shows ads.

### Which is updated more often, Open Banking Expo or Booking Brain?

Open Banking Expo ships an update every 5 days, and Booking Brain every 4 days. Most recently, Open Banking Expo was updated on November 3, 2026 and Booking Brain on October 31, 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.*