# ButterflyMX vs 1900K

The clearest difference is chart position: ButterflyMX at #73 against 1900K's unranked. 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.

ButterflyMX ships an update fortnightly, 1900K every 2 weeks. The most recent releases landed on October 21, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | ButterflyMX | 1900K |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (113K ratings)](https://appshunter.io/ios/app/butterflymx/id714133074/reviews)** | — |
| Number of ratings | **113K** | — |
| Positive reviews | 50.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 2 weeks |
| Monetization | Free | — |
| Best chart rank | **#73** | — |
| Size | 143 MB | 97 MB |
| Requires iOS | 16.0 | **15.6** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ButterflyMX, Inc.](https://appshunter.io/developer/714133077) | [Teachers Insurance and Annuity Association of America](https://appshunter.io/developer/1613596434) |

## What reviewers say

### ButterflyMX

[App page](https://appshunter.io/ios/app/butterflymx/id714133074)

**Currently charting:** #73 Top Free · Productivity (US App Store)

Control property access, including doors, gates, elevators, and garages, directly from your smartphone. Grant entry to visitors and deliveries remotely, and receive video calls for enhanced security. Manage all building access points seamlessly from one app.

**Highlights:** Open doors, gates, elevators, garages from smartphone, Grant visitor access remotely, Receive delivery notifications and grant access, Video calls with visitors before granting access, Manage all property access points

**Features:** Apple Wallet, Apple Watch app

**In-app purchases:** none

**What reviewers like**

- 🚀 Convenient door access
- 🔒 Increased security
- 👍 Easy to use app
- 👍 Helpful customer service
- 👍 Useful virtual key feature

**What reviewers complain about**

- 🐛 Unreliable connectivity
- 🐛 Buggy app performance
- 🕰️ Slow response times
- 🤔 Unintuitive interface
- 🤷‍♀️ Compatibility issues

**Reported bugs**

- Frequent app crashes
- Missed notifications
- Inconsistent door unlocking
- Intercom call routing problems
- Elevator access issues

**Requested features**

- Remote door opening option
- Improved delivery workflow
- Independent user controls
- Accessibility improvements
- Bluetooth/offline access


### 1900K

[App page](https://appshunter.io/ios/app/1900k/id1613596432)

**Features:** Apple Wallet

**In-app purchases:** none


## Frequently asked questions

### Is ButterflyMX free?

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

### Is 1900K free?

1900K is free to download, with no in-app purchases.

### Do ButterflyMX or 1900K have ads?

Neither ButterflyMX nor 1900K shows ads.

### Which is updated more often, ButterflyMX or 1900K?

ButterflyMX ships an update fortnightly, and 1900K every 2 weeks. Most recently, ButterflyMX was updated on October 21, 2026 and 1900K on October 20, 2026.

---

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