# 121 vs 550 Madison

The clearest difference is update cadence: 121 at fortnightly against 550 Madison's monthly. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

121 ships an update fortnightly, 550 Madison monthly. The most recent releases landed on September 17, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | 121 | 550 Madison |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.3 (11 ratings)](https://appshunter.io/ios/app/550-madison/id1564697157/reviews)** |
| Number of ratings | — | **11** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Monthly |
| Monetization | — | Free |
| Size | 254 MB | 207 MB |
| Requires iOS | 16.0 | 16.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Jones Lang LaSalle Incorporated](https://appshunter.io/developer/429518140) | [OAC 550 OWNER LLC](https://appshunter.io/developer/1792946715) |

## What reviewers say

### 121

[App page](https://appshunter.io/ios/app/121-131-steuart/id1554815853)

**Features:** Apple Wallet

**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 121 free?

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

### Is 550 Madison free?

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

### Do 121 or 550 Madison have ads?

Neither 121 nor 550 Madison shows ads.

### Which is updated more often, 121 or 550 Madison?

121 ships an update fortnightly, and 550 Madison monthly. Most recently, 121 was updated on September 17, 2026 and 550 Madison on September 16, 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.*