# Backstop Mobile vs 550 Madison

The clearest difference is rating: Backstop Mobile at 5.0 against 550 Madison's 4.3. 550 Madison's advantage is ratings volume (11 vs 1). 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.

Backstop Mobile holds the better App Store score, 5.0 against 4.3. That said, the two scores are not equally well evidenced: 550 Madison has 11 ratings behind it against 1, so its average is the more settled of the two.

Backstop Mobile ships an update every 2 months, 550 Madison monthly. The most recent releases landed on October 13, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | Backstop Mobile | 550 Madison |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/backstop-mobile/id914065554/reviews)** | [4.3 (11 ratings)](https://appshunter.io/ios/app/550-madison/id1564697157/reviews) |
| Number of ratings | 1 | **11** |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | Free | Free |
| Size | 36 MB | 207 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Backstop Solutions Group](https://appshunter.io/developer/914065557) | [OAC 550 OWNER LLC](https://appshunter.io/developer/1792946715) |

## What reviewers say

### Backstop Mobile

[App page](https://appshunter.io/ios/app/backstop-mobile/id914065554)

Stay connected with fund managers and investors on the go. Manage contacts, schedule meetings, and add notes directly from your mobile device. Features a redesigned interface for quick access to recent activities and contacts.

**Highlights:** Contact and activity management, Redesigned 'My Activity' home screen, View and manage calls and meetings, Add notes after meetings, Recently viewed contacts display, Modern visual interface, Face and Touch ID login, Jailbreak detection

**Features:** Vision Pro support

**In-app purchases:** none


### 550 Madison

[App page](https://appshunter.io/ios/app/550-madison/id1564697157)

This app serves as a virtual hub for building tenants, offering access to exclusive amenities and services. It facilitates reservations for event spaces, dining, and fitness facilities, while also streamlining visitor access and work orders.

**Highlights:** Access building amenities, Book event spaces and dining, Fitness and wellness services, Visitor access control, Work order management, Concierge services

**Features:** Apple Wallet

**In-app purchases:** none


## Frequently asked questions

### Is Backstop Mobile free?

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

### Is 550 Madison free?

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

### Which has better reviews, Backstop Mobile or 550 Madison?

Backstop Mobile is rated higher. Backstop Mobile averages 5.0 out of 5 from 1 ratings, while 550 Madison averages 4.3 from 11 ratings.

### Do Backstop Mobile or 550 Madison have ads?

Neither Backstop Mobile nor 550 Madison shows ads.

### Which is updated more often, Backstop Mobile or 550 Madison?

Backstop Mobile ships an update every 2 months, and 550 Madison monthly. Most recently, Backstop Mobile was updated on October 13, 2026 and 550 Madison on October 20, 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.*