# Kisi vs Avigilon Alta Open

The clearest difference is update cadence: Kisi at every 10 days against Avigilon Alta Open's monthly. Kisi also leads on review sentiment (45% vs 33%). On price, rating, ratings volume and ads 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 — 4.7 for Kisi against 4.8 for Avigilon Alta Open. Both are backed by a comparable volume of ratings — 25K and 17K respectively. Written reviews are what separate them: 45% of Kisi's written reviews are positive against 33% of Avigilon Alta Open's.

Kisi ships an update every 10 days, Avigilon Alta Open monthly. Both last shipped on November 7, 2026.

## The numbers

| Metric | Kisi | Avigilon Alta Open |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (25K ratings)](https://appshunter.io/ios/app/kisi/id687291321/reviews) | **[4.8 (17K ratings)](https://appshunter.io/ios/app/avigilon-alta-open/id1306430829/reviews)** |
| Number of ratings | **25K** | 17K |
| Positive reviews | **44.7% of reviews** | 33.3% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 10 days** | Monthly |
| Monetization | Free | Free |
| Best chart rank | #180 | **#97** |
| Size | 37 MB | 151 MB |
| Requires iOS | **17.0** | 17.6 |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [KISI Incorporated](https://appshunter.io/developer/687291324) | [OpenPath Security, Inc.](https://appshunter.io/developer/1306430828) |

## What reviewers say

### Kisi

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

**Currently charting:** #180 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


### Avigilon Alta Open

[App page](https://appshunter.io/ios/app/avigilon-alta-open/id1306430829)

**Currently charting:** #97 Top Free · Business (US App Store)

Transform your smartphone into a secure digital key for accessing Avigilon Alta-connected doors. Enjoy convenient touchless unlocking, manage guest access, and view your activity log. This app streamlines entry for authorized users within organizations.

**Highlights:** Phone as a digital key, Touchless wave to unlock, Mobile badge for sign-in, Digital guest pass creation, Remote door unlocking, Activity log, Switch between organizations

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

**In-app purchases:** none

**What reviewers like**

- 🚀 Convenient access
- 🔒 Secure entry
- 👍 User-friendly
- 👍 Reliable functionality

**What reviewers complain about**

- 🐛 Inconsistent performance
- 🔋 Battery drain
- 🔒 Privacy concerns
- 👎 Clunky user experience

**Reported bugs**

- App data randomly clearing
- Bluetooth permission issues
- Location services not working as expected

**Requested features**

- Apple Watch support without phone
- Customizable location tracking
- CarPlay integration
- Streamlined app design


## Frequently asked questions

### Is Kisi free?

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

### Is Avigilon Alta Open free?

Avigilon Alta Open is free to download, with no in-app purchases.

### Which has better reviews, Kisi or Avigilon Alta Open?

Avigilon Alta Open is rated higher. Kisi averages 4.7 out of 5 from 25K ratings, while Avigilon Alta Open averages 4.8 from 17K ratings.

### Do Kisi or Avigilon Alta Open have ads?

Neither Kisi nor Avigilon Alta Open shows ads.

### Which is updated more often, Kisi or Avigilon Alta Open?

Kisi ships an update every 10 days, and Avigilon Alta Open monthly. Most recently, Kisi was updated on November 7, 2026 and Avigilon Alta Open on November 7, 2026.

### Which is more popular, Kisi or Avigilon Alta Open?

Kisi currently peaks at #180 in the App Store charts, and Avigilon Alta Open at #97. Chart position reflects recent download velocity rather than total install base.

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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.*