# Iowa 511 vs SDDOT 511

The clearest difference is rating: Iowa 511 at 3.5 against SDDOT 511's 2.3. Iowa 511 also leads on review sentiment (27% vs 6%) and ratings volume (602 vs 120). 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.

Iowa 511 holds the better App Store score, 3.5 against 2.3. That said, the two scores are not equally well evidenced: Iowa 511 has 602 ratings behind it against 120, so its average is the more settled of the two. Written reviews point the same way: 27% of Iowa 511's written reviews are positive against 6% of SDDOT 511's.

Iowa 511 ships an update every 2 months, SDDOT 511 every 6 weeks. The most recent releases landed on September 21, 2026 and June 10, 2026 respectively.

## The numbers

| Metric | Iowa 511 | SDDOT 511 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.5 (602 ratings)](https://appshunter.io/ios/app/iowa-511/id528047799/reviews)** | [2.3 (120 ratings)](https://appshunter.io/ios/app/sddot-511/id740828340/reviews) |
| Number of ratings | **602** | 120 |
| Positive reviews | **26.7% of reviews** | 5.9% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 6 weeks** |
| Monetization | Free | Free |
| Size | 42 MB | 85 MB |
| Requires iOS | 17.6 | **16.6** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Iowa Department of Transportation](https://appshunter.io/developer/547603903) | [Iteris, Inc.](https://appshunter.io/developer/520177092) |

## What reviewers say

### Iowa 511

[App page](https://appshunter.io/ios/app/iowa-511/id528047799)

This app provides real-time traffic and traveler information for Iowa's interstates, U.S. routes, and state highways. It offers hands-free audio announcements, a zoomable map with traffic event icons and camera views, and updates on road conditions, incidents, and closures.

**Highlights:** Hands-free audio announcements, Zoomable map with traffic icons, Real-time road condition updates, Trucker Mode, Personalized account for saved routes, Traffic camera images and video, Weather radar and alerts

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

**In-app purchases:** none

**What reviewers like**

- 🚀 Great app for driving
- 👍 Helpful for winter driving
- 👍 Useful for seeing road conditions
- 👍 Loved the camera features

**What reviewers complain about**

- 🐛 Cameras not working
- 🐛 App freezes/crashes
- 🐛 Inaccurate road condition reporting
- 🤔 Confusing new layout

**Reported bugs**

- Cameras not loading
- Map not showing any information
- App locking up when trying to use layers
- Road condition data not updating in real-time

**Requested features**

- Include tow ban information with expiration times
- Improve map legend and visibility of road conditions
- Bring back old app design


### SDDOT 511

[App page](https://appshunter.io/ios/app/sddot-511/id740828340)

Access real-time traffic and traveler information for South Dakota. View current conditions, incidents, and construction on major routes. Utilize roadside cameras and receive weather alerts to plan your journey.

**Highlights:** Real-time traffic conditions, Incident and construction alerts, Roadside camera views, Weather information, Location tracking on map, South Dakota DOT Twitter feeds

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Iowa 511 free?

Iowa 511 is free to download, with no in-app purchases.

### Is SDDOT 511 free?

SDDOT 511 is free to download, with no in-app purchases.

### Which has better reviews, Iowa 511 or SDDOT 511?

Iowa 511 is rated higher. Iowa 511 averages 3.5 out of 5 from 602 ratings, while SDDOT 511 averages 2.3 from 120 ratings.

### Do Iowa 511 or SDDOT 511 have ads?

Neither Iowa 511 nor SDDOT 511 shows ads.

### Which is updated more often, Iowa 511 or SDDOT 511?

Iowa 511 ships an update every 2 months, and SDDOT 511 every 6 weeks. Most recently, Iowa 511 was updated on September 21, 2026 and SDDOT 511 on June 10, 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.*