# ButterflyMX vs X2 by Stream

The clearest difference is chart position: ButterflyMX at #54 against X2 by Stream'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.

Both ship on a similar rhythm, roughly fortnightly. The most recent releases landed on September 26, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | ButterflyMX | X2 by Stream |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (110K ratings)](https://appshunter.io/ios/app/butterflymx/id714133074/reviews)** | — |
| Number of ratings | **110K** | — |
| Positive reviews | 50.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Fortnightly | Fortnightly |
| Monetization | Free | — |
| Best chart rank | **#54** | — |
| Size | 127 MB | 102 MB |
| Requires iOS | 16.0 | **15.6** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [ButterflyMX, Inc.](https://appshunter.io/developer/714133077) | [Stream Realty Partners, L.P.](https://appshunter.io/developer/1677077788) |

## What reviewers say

### ButterflyMX

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

**Currently charting:** #54 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


### X2 by Stream

[App page](https://appshunter.io/ios/app/x2-by-stream/id6446489262)

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


## Frequently asked questions

### Is ButterflyMX free?

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

### Is X2 by Stream free?

X2 by Stream is free to download, with no in-app purchases.

### Do ButterflyMX or X2 by Stream have ads?

Neither ButterflyMX nor X2 by Stream shows ads.

### Which is updated more often, ButterflyMX or X2 by Stream?

ButterflyMX ships an update fortnightly, and X2 by Stream fortnightly. Most recently, ButterflyMX was updated on September 26, 2026 and X2 by Stream on September 15, 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.*