# Kisi vs Brex

The clearest difference is chart position: Kisi at #182 against Brex's unranked. Kisi also leads on device support (3 vs 1). Brex's advantage is update cadence (weekly vs fortnightly). On price, rating, review sentiment and ratings volume there is nothing between them.

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

On the App Store both sit at effectively the same score — 4.8 for Kisi against 4.8 for Brex. Both are backed by a comparable volume of ratings — 23K and 8.8K respectively. Written reviews split almost evenly too, at 45% and 46% positive.

Kisi ships an update fortnightly, Brex weekly. The most recent releases landed on September 24, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | Kisi | Brex |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (23K ratings)](https://appshunter.io/ios/app/kisi/id687291321/reviews) | [4.8 (8.8K ratings)](https://appshunter.io/ios/app/brex/id1472905508/reviews) |
| Number of ratings | **23K** | 8.8K |
| Positive reviews | 45.1% of reviews | **45.7% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Fortnightly | **Weekly** |
| Monetization | Free | Free |
| Best chart rank | **#182** | — |
| Size | 35 MB | 143 MB |
| Requires iOS | **16.0** | 16.4 |
| Devices | **iPhone, iPad, Apple Watch** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [KISI Incorporated](https://appshunter.io/developer/687291324) | [Brex](https://appshunter.io/developer/1459899744) |

## What reviewers say

### Kisi

[App page](https://appshunter.io/ios/app/kisi/id687291321)

**Currently charting:** #182 Top Free · Business (US App Store)

This app allows you to unlock doors using your smartphone. It provides secure access control for buildings and facilities, enabling you to manage who enters and when. You can also grant and revoke access remotely.

**Highlights:** Unlock doors with your phone, Tap-to-unlock functionality, MotionSense for hands-free unlocking, Manage access for users, Grant and revoke access remotely, View user activity logs, Schedule door unlocks

**Features:** Apple Wallet, Apple Watch app, Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 🚀 Convenient and seamless door entry
- 🔒 Secure access control
- 👍 Easy to use
- 🚀 Fast and reliable performance

**What reviewers complain about**

- 🐛 Inconsistent and unreliable app performance
- 🔒 Overly aggressive location permissions
- 🔋 High battery drain
- ⚠️ Missing important features like Apple Watch support

**Reported bugs**

- Constant crashes and login issues
- Bluetooth and location permission problems
- Doors not unlocking properly
- App not working on older devices

**Requested features**

- Ability to sort and favorite doors
- Offline door unlocking capability
- Widget support for quick access
- Admin features to manage users and permissions


### Brex

[App page](https://appshunter.io/ios/app/brex/id1472905508)

Manage corporate finances with integrated business accounts, corporate cards, and expense tracking. Streamline reimbursements, payments, and business travel all from a single platform.

**Highlights:** Corporate cards, Expense management, Reimbursements, Business accounts, Business travel booking, Global payments, 24/7 live support

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

**In-app purchases:** none

**What reviewers like**

- 🚀 Easy to use
- 🚀 Convenient receipt management
- 🚀 Efficient expense tracking
- 🚀 Helpful notifications
- 🚀 Smooth interface

**What reviewers complain about**

- 🐛 Unreliable login process
- 🐛 Slow check deposit
- 🐛 Limited app functionality
- 🐛 Inconsistent account closure policies
- 🐛 Lack of transparency in decision-making

**Reported bugs**

- Check deposit issues
- Incorrect transaction categorization
- Unreliable account linking
- Inconsistent app behavior

**Requested features**

- Ability to change flights directly in the app
- Improved iPad support
- Restore gold card in Apple Wallet
- Searchable transaction history in the app


## Frequently asked questions

### Is Kisi free?

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

### Is Brex free?

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

### Which has better reviews, Kisi or Brex?

Kisi and Brex are both rated 4.8 out of 5 on the App Store, from 23K and 8.8K ratings respectively.

### Do Kisi or Brex have ads?

Neither Kisi nor Brex shows ads.

### Which is updated more often, Kisi or Brex?

Kisi ships an update fortnightly, and Brex weekly. Most recently, Kisi was updated on September 24, 2026 and Brex on September 25, 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.*