# ButterflyMX vs 55 M

The clearest difference is chart position: ButterflyMX at #54 against 55 M'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, 55 M every 2 weeks. The most recent releases landed on September 26, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | ButterflyMX | 55 M |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (110K ratings)](https://appshunter.io/ios/app/butterflymx/id714133074/reviews)** | — |
| Number of ratings | **110K** | — |
| Positive reviews | 50.5% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 2 weeks |
| Monetization | Free | — |
| Best chart rank | **#54** | — |
| Size | 127 MB | 168 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) | [55M DC Owner, LLC](https://appshunter.io/developer/1577213741) |

## 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


### 55 M

[App page](https://appshunter.io/ios/app/55-m/id1577213739)

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

**In-app purchases:** none


## Frequently asked questions

### Is ButterflyMX free?

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

### Is 55 M free?

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

### Do ButterflyMX or 55 M have ads?

Neither ButterflyMX nor 55 M shows ads.

### Which is updated more often, ButterflyMX or 55 M?

ButterflyMX ships an update fortnightly, and 55 M every 2 weeks. Most recently, ButterflyMX was updated on September 26, 2026 and 55 M on September 17, 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.*