Mass511 vs SRTMC
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Mass511
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.
- 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
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The Mass511 app is the Massachusetts Department of Transportation's official traffic and traveler information app. The Mass511 app, new and improved in 2022, provides up-to-date traffic information for interstates, U.S. routes and state highways across Massachusetts. FEATURES: • Hands-free, eyes-free audio notifications of traffic events while you drive • A zoom-enabled map with tappable traffic event icons and surrounding camera views • Near real-time updates on traffic incidents, construction, weather and road closures • Manage My Mass511 personalized accounts including saved routes, areas, and camera views and email and text alerts • View current traffic speeds • View traffic cameras throughout the state. Sign up for a My Mass511 account to save cameras for easy access. • Access to additional traveler information resources NOTE: Continued use of GPS running in the background can decrease device battery life. The primary responsibility of every driver is the safe operation of their vehicle. While traveling, mobile communication devices should be used only when the motor vehicle is at a complete stop, off the traveled portion of the roadway. Do not text and drive (it's against the law) or use this app while driving. App developed by Castle Rock Associates https://www.castlerockits.com. For help with Mass511, please visit https://mass511.com/help/index.html.
SRTMC
Get real-time traffic updates for the Spokane region. Receive hands-free audio alerts for events, view interactive maps with camera feeds, and manage personalized accounts for saved routes and notifications.
- Hands-free audio notifications
- Zoom-enabled traffic map
- Real-time traffic updates
- Personalized account management
- Traffic camera views
- Road condition information
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The SRTMC app is the Spokane Regional Traffic Management Center's official traffic and traveler information app. The SRTMC app provides up-to-date traffic information for the greater Spokane region. FEATURES: • Hands-free, eyes-free audio notifications of upcoming traffic events and rest areas while you drive • A zoom-enabled map with tappable traffic impact icons and surrounding camera views • Near real-time updates on traffic impacts, roadwork, weather and road closures • Manage My SRTMC personalized accounts including saved routes, areas, and camera views and email and text alerts • View current traffic speeds and road conditions • View traffic cameras throughout the state. Sign up for a My SRTMC account to save cameras for easy access. • Access to additional traveler information resources NOTE: Continued use of GPS running in the background can decrease device battery life. The primary responsibility of every driver is the safe operation of their vehicle. While traveling, mobile communication devices should be used only when the motor vehicle is at a complete stop, off the traveled portion of the roadway. Do not text and drive (it's against the law) or use this app while driving. App developed by Castle Rock Associates https://www.castlerockits.com. For help with SRTMC, please visit https://srtmc.org/help/
Screenshots
Verdict
The clearest difference is rating: SRTMC at 5.0 against Mass511's 3.5. Mass511's advantage is update cadence (every 4 months vs every 12 months) and ratings volume (54 vs 5). On price, ads, in-app purchases and monetization model there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
SRTMC holds the better App Store score, 5.0 against 3.5. That said, the two scores are not equally well evidenced: Mass511 has 54 ratings behind it against 5, so its average is the more settled of the two.
Mass511 ships an update every 4 months, SRTMC every 12 months. The most recent releases landed on August 28, 2026 and September 7, 2026 respectively.
| Parameter | Mass511 | SRTMC |
|---|---|---|
| Price | Free | Free |
| Rating | 3.5 (54 ratings) | 5.0 (5 ratings) — better |
| Positive reviews | 20.0% of reviews | — |
| Number of ratings | 54 — better | 5 |
| Update frequency | Every 4 months — better | Every 12 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 17.6 | 17.6 |
| Further details — not scored | ||
| Size | 40 MB | 40 MB |
| Age rating | 4+ | 4+ |
| Developer | Castle Rock Associates, Inc. | Spokane Regional Transportation Management Center |
Customer experience
Mass511
SRTMC
In-app purchases
Mass511
No in-app purchases
SRTMC
No in-app purchases
