# Sigalert.com vs Caltrans QuickMap

The clearest difference is chart position: Caltrans QuickMap at #185 against Sigalert.com's unranked. Sigalert.com's advantage is iOS requirement (8.0 vs 18.6). On price, rating, review sentiment and ratings volume there is nothing between them.

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

On the App Store both sit at effectively the same score — 3.0 for Sigalert.com against 3.0 for Caltrans QuickMap. Both are backed by a comparable volume of ratings — 185 and 253 respectively. Written reviews are what separate them: 30% of Sigalert.com's written reviews are positive against 29% of Caltrans QuickMap's.

Sigalert.com ships an update every 4 months, Caltrans QuickMap every 3 months. The most recent releases landed on October 15, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Sigalert.com | Caltrans QuickMap |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (185 ratings)](https://appshunter.io/ios/app/sigalertcom-live-traffic-reports/id424889327/reviews) | [3.0 (253 ratings)](https://appshunter.io/ios/app/caltrans-quickmap/id1193696577/reviews) |
| Number of ratings | 185 | **253** |
| Positive reviews | **30.1% of reviews** | 28.9% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 months** |
| Monetization | Free | Free |
| Best chart rank | — | **#185** |
| Size | 16 MB | 28 MB |
| Requires iOS | **8.0** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Sigalert.com](https://appshunter.io/developer/424889330) | [California Department of Transportation](https://appshunter.io/developer/1193696576) |

## What reviewers say

### Sigalert.com

[App page](https://appshunter.io/ios/app/sigalertcom-live-traffic-reports/id424889327)

Get real-time traffic updates and detailed road speed information to avoid congestion. Access a vast network of traffic cameras and personalized route conditions to plan your commute efficiently.

**Highlights:** Real-time traffic map, 24/7 speed/accident/construction coverage, Extensive traffic camera network, Personalized routes, GPS integration, Shake to refresh data

**Features:** macOS Compatibility

**In-app purchases:** none


### Caltrans QuickMap

[App page](https://appshunter.io/ios/app/caltrans-quickmap/id1193696577)

**Currently charting:** #185 Top Free · Navigation (US App Store)

Access real-time California traffic conditions, including speeds, camera snapshots, and lane closures. Receive alerts for road closures near your location. Customize your map view to display various highway information and points of interest.

**Highlights:** Real-time freeway speeds, Traffic camera snapshots, Lane closure alerts, CHP incident reports, Highway information display, Geotargeted notifications, Customizable map preferences

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 🗺️ Comprehensive real-time road condition information
- 📹 Live traffic camera views for visual verification
- ⛓️ Accurate chain control location tracking
- 🚔 CHP incident and activity updates
- ❄️ Essential for winter mountain driving safety

**What reviewers complain about**

- 🐛 Frequent app crashes on launch
- 📹 Camera feeds non-functional or display only still images
- ⏰ Information updates lag significantly behind actual conditions
- 🔍 Search functionality completely non-functional
- 📍 Inaccurate or missing road closure information

**Reported bugs**

- App crashes immediately upon opening
- App closes itself even when not driving
- Camera feeds display error (play button with slash)
- Search feature completely non-functional
- Location and refresh buttons stack on iPhone XR

**Requested features**

- CarPlay compatibility
- Live video streaming for cameras instead of still images
- Terrain and satellite map view options
- Ability to zoom and pinch camera images
- Larger, more visible map icons


## Frequently asked questions

### Is Sigalert.com free?

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

### Is Caltrans QuickMap free?

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

### Which has better reviews, Sigalert.com or Caltrans QuickMap?

Sigalert.com and Caltrans QuickMap are both rated 3.0 out of 5 on the App Store, from 185 and 253 ratings respectively.

### Do Sigalert.com or Caltrans QuickMap have ads?

Neither Sigalert.com nor Caltrans QuickMap shows ads.

### Which is updated more often, Sigalert.com or Caltrans QuickMap?

Sigalert.com ships an update every 4 months, and Caltrans QuickMap every 3 months. Most recently, Sigalert.com was updated on October 15, 2026 and Caltrans QuickMap 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.*