# Hammond 311 vs CHI311

The clearest difference is review sentiment: Hammond 311 at 82% against CHI311's 14%. Hammond 311 also leads on rating (4.8 vs 2.5). CHI311's advantage is update cadence (monthly vs every 4 months). On price, ratings volume, 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.

Hammond 311 holds the better App Store score, 4.8 against 2.5. Both are backed by a comparable volume of ratings — 496 and 245 respectively. Written reviews point the same way: 82% of Hammond 311's written reviews are positive against 14% of CHI311's.

Hammond 311 ships an update every 4 months, CHI311 monthly. Both last shipped on November 6, 2026.

## The numbers

| Metric | Hammond 311 | CHI311 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (496 ratings)](https://appshunter.io/ios/app/hammond-311/id688928140/reviews)** | [2.5 (245 ratings)](https://appshunter.io/ios/app/chi311/id1441580123/reviews) |
| Number of ratings | **496** | 245 |
| Positive reviews | **81.8% of reviews** | 14.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Monthly** |
| Monetization | Free | Free |
| Size | 143 MB | 29 MB |
| Requires iOS | 17.6 | 17.6 |
| Devices | iPhone | iPhone |
| Age rating | 12+ | 4+ |
| Developer | [City of Hammond](https://appshunter.io/developer/1410434223) | [City of Chicago](https://appshunter.io/developer/1441580122) |

## What reviewers say

### Hammond 311

[App page](https://appshunter.io/ios/app/hammond-311/id688928140)

Easily report non-emergency city issues like potholes and graffiti. Pinpoint problem locations with GPS and attach photos. Track the status of your reports from submission to resolution.

**Highlights:** Report non-emergency city issues, GPS location identification, Attach photos to reports, Track issue resolution status, Easy reporting interface

**Features:** macOS Compatibility

**In-app purchases:** none


### CHI311

[App page](https://appshunter.io/ios/app/chi311/id1441580123)

Report non-emergency issues like potholes or graffiti directly to Chicago city services. Track the status of your requests, submit photos, and get real-time updates on city work in your neighborhood. This official app connects residents and businesses to essential city services.

**Highlights:** Submit new service requests, Track request status and resolution times, Attach photos to requests, Map request locations, Create an account for tracking, Search knowledge articles, View neighborhood requests

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

**In-app purchases:** none

**What reviewers like**

- 🚀 Intuitive and simple to use
- 🌐 Convenient access to city services
- 📊 Helpful for tracking request progress

**What reviewers complain about**

- 🐛 Frequent bugs and crashes
- 🗺️ Difficult to use map functionality
- 🔒 Login and account issues
- 🤖 Lack of responsiveness from developers

**Reported bugs**

- Photo/image upload failures
- Submission errors and timeouts
- Inconsistent performance across devices and OS versions

**Requested features**

- More request categories and customization options
- Ability to add notes and descriptions to requests
- Improved notification and status tracking features


## Frequently asked questions

### Is Hammond 311 free?

Hammond 311 is free to download, with no in-app purchases.

### Is CHI311 free?

CHI311 is free to download, with no in-app purchases.

### Which has better reviews, Hammond 311 or CHI311?

Hammond 311 is rated higher. Hammond 311 averages 4.8 out of 5 from 496 ratings, while CHI311 averages 2.5 from 245 ratings.

### Do Hammond 311 or CHI311 have ads?

Neither Hammond 311 nor CHI311 shows ads.

### Which is updated more often, Hammond 311 or CHI311?

Hammond 311 ships an update every 4 months, and CHI311 monthly. Most recently, Hammond 311 was updated on November 6, 2026 and CHI311 on November 6, 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.*