DDNY vs Space
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
DDNY
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A mobile transportation and designated driver solution, that pairs our drivers to our customers, which will allow them to provide different transportation services in the comfort and convince of their own vehicle We offer Designated Drivers, Driver by the hour, special events and shuttle service as well as non emergency medical transportation, delivery, and much more
Space
This app consolidates publicly available military flight schedules and roll call information for eligible travelers. It provides easy access to Space-A flight schedules, seat availability, and recent updates from official sources in one convenient location.
- Space-A flight schedules
- Roll call and seat availability
- Schedule update visibility
- Mobile-friendly design
- Official data sources
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Space-A Roll Call Planning Space-A travel shouldn’t require jumping between multiple websites. Space-A Roll Call helps eligible travelers view publicly available Space Available (Space-A) military flight schedules and roll call information in one place for convenience. The app aggregates information posted by official Air Mobility Command (AMC) passenger terminals so users can quickly check schedules, roll call status, and recent updates without manually visiting each terminal website. Features include: Easy access to Space-A flight schedules Clear, readable roll call and seat availability information Quick visibility into schedule updates Mobile-friendly design for on-the-go reference Official Data Sources All information shown in this app comes from publicly available U.S. Air Force and Air Mobility Command websites, including but not limited to: https://www.amc.af.mil/AMC-Travel-Site/ https://www.amc.af.mil/AMC-Travel-Site/AMC-Space-Available-Travel-Page/ Individual AMC Passenger Terminal pages hosted on official .mil domains Users should always verify flight details directly with the originating passenger terminal. Important Disclaimer Space-A Roll Call is not affiliated with, endorsed by, or operated by the U.S. Department of Defense, the U.S. Air Force, or any military branch. This app does not provide or facilitate government services. It displays publicly available information for informational purposes only.
Screenshots
Verdict
The clearest difference is update cadence: Space at monthly against DDNY's every 4 months. DDNY's advantage is iOS requirement (13.0 vs 15.1). 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.
DDNY ships an update every 4 months, Space monthly. The most recent releases landed on October 5, 2026 and October 3, 2026 respectively.
| Parameter | DDNY | Space |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (2 ratings) — better |
| Number of ratings | — | 2 — better |
| Update frequency | Every 4 months | Monthly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 13.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 18 MB | 30 MB |
| Age rating | 4+ | 4+ |
| Developer | Designated Drivers of Buffalo inc | Amnon Ashe |
In-app purchases
DDNY
No in-app purchases
Space
No in-app purchases









