DC Dept. App vs DMZ
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
DC Dept. App
Access DC government services, numbers, and information through a unified platform. This app serves as a central point for constituents, residents, and visitors seeking assistance and details about city resources.
- Access DC government services
- Find DC government numbers
- Get DC government information
- One-stop service experience
- For residents and visitors
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The Office of Unified Communications’ (OUC) 311 Call Center Operation provides a one-stop service experience for constituents, residents and visitors searching for DC government services, numbers and information .
DMZ
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DMZ Builders is a general engineering contractor headquartered in the San Francisco Bay Area, providing much-needed infrastructure and facility improvements for federal, state and municipal agencies. Our talented and experienced team members focus on delivering complex heavy civil infrastructure projects requiring integration between various construction disciplines and involving a high level of engineering, planning and execution.
Screenshots
Verdict
The clearest difference is update cadence: DC Dept. App at every 9 months against DMZ's every 26 months. DMZ's advantage is iOS requirement (10.0 vs 12.0.0). On price, ads, in-app purchases and device support 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.
DC Dept. App ships an update every 9 months, DMZ every 26 months. The most recent releases landed on October 11, 2026 and September 12, 2026 respectively.
| Parameter | DC Dept. App | DMZ |
|---|---|---|
| Price | Free | Free |
| Rating | 1.0 (1 ratings) — better | — |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 9 months — better | Every 26 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 12.0.0 | 10.0 — better |
| Further details — not scored | ||
| Size | 37 MB | 33 MB |
| Age rating | 4+ | 4+ |
| Developer | Government of the District of Columbia | DMZ Builders |
In-app purchases
DC Dept. App
No in-app purchases
DMZ
No in-app purchases
