# Mass511 vs Chatham Bars Inn

The clearest difference is update cadence: Mass511 at every 4 months against Chatham Bars Inn's every 13 months. Chatham Bars Inn's advantage is iOS requirement (14.0 vs 17.6). 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.

Mass511 ships an update every 4 months, Chatham Bars Inn every 13 months. The most recent releases landed on October 13, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Mass511 | Chatham Bars Inn |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.5 (54 ratings)](https://appshunter.io/ios/app/mass511/id1640577370/reviews)** | — |
| Number of ratings | **54** | — |
| Positive reviews | 20.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 13 months |
| Monetization | Free | — |
| Size | 40 MB | 114 MB |
| Requires iOS | 17.6 | **14.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Castle Rock Associates, Inc.](https://appshunter.io/developer/664709239) | [OPENKEY, INC.](https://appshunter.io/developer/990142775) |

## What reviewers say

### Mass511

[App page](https://appshunter.io/ios/app/mass511/id1640577370)

Get real-time traffic updates, incident alerts, and camera views for Massachusetts highways. This app offers hands-free audio notifications and personalized route management to keep you informed while driving.

**Highlights:** Hands-free audio notifications, Zoom-enabled map with camera views, Real-time incident and weather updates, Personalized account management, Traffic speed monitoring, Access to traveler resources

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Chatham Bars Inn

[App page](https://appshunter.io/ios/app/chatham-bars-inn/id6740289985)

**Features:** Apple Wallet

**In-app purchases:** none


## Frequently asked questions

### Is Mass511 free?

Mass511 is free to download, with no in-app purchases.

### Is Chatham Bars Inn free?

Chatham Bars Inn is free to download, with no in-app purchases.

### Do Mass511 or Chatham Bars Inn have ads?

Neither Mass511 nor Chatham Bars Inn shows ads.

### Which is updated more often, Mass511 or Chatham Bars Inn?

Mass511 ships an update every 4 months, and Chatham Bars Inn every 13 months. Most recently, Mass511 was updated on October 13, 2026 and Chatham Bars Inn on October 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.*