# 311Direct vs Scent Machine

The clearest difference is update cadence: 311Direct at every 2 months against Scent Machine's every 5 months. Scent Machine's advantage is iOS requirement (9.0 vs 15.1). 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.

311Direct ships an update every 2 months, Scent Machine every 5 months. The most recent releases landed on October 16, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | 311Direct | Scent Machine |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.9 (9 ratings)](https://appshunter.io/ios/app/311direct/id378130673/reviews)** | — |
| Number of ratings | **9** | — |
| Positive reviews | 27.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 5 months |
| Monetization | Free | — |
| Size | 51 MB | 26 MB |
| Requires iOS | 15.1 | **9.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Miami-Dade County](https://appshunter.io/developer/378130677) | [Guangzhou Lanmei Computer Technology Co., Ltd.](https://appshunter.io/developer/989104097) |

## What reviewers say

### 311Direct

[App page](https://appshunter.io/ios/app/311direct/id378130673)

Report neighborhood issues and code violations directly to the 311 Contact Center. Users can attach photos, provide details, and track the status of their submissions. Anonymity is an option, or users can provide contact information for follow-up.

**Highlights:** Report neighborhood problems, Submit code violations, Attach photos to reports, Track report status, Anonymous reporting option, Create user profiles

**Features:** macOS Compatibility

**In-app purchases:** none


### Scent Machine

[App page](https://appshunter.io/ios/app/scent-machine/id6740234000)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 311Direct free?

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

### Is Scent Machine free?

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

### Do 311Direct or Scent Machine have ads?

Neither 311Direct nor Scent Machine shows ads.

### Which is updated more often, 311Direct or Scent Machine?

311Direct ships an update every 2 months, and Scent Machine every 5 months. Most recently, 311Direct was updated on October 16, 2026 and Scent Machine on October 1, 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.*