DON AP vs MCCS ERR Support
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
DON AP
This official U.S. Navy application provides new civilian employees with on-demand training, education, and orientation. It covers organizational structure, history, lingo, and offers instructional videos and handbooks for both Navy and Marine Corps personnel.
- On-demand training and education
- Organizational structure information
- History and heritage content
- Definitions of lingo and abbreviations
- Instructional videos
- Civilian Acculturation handbooks
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An official U.S. Navy mobile application produced by MyNavy HR IT Solutions What is the DON AP app? The Department of Navy Acculturation Program (DON AP) app, formerly known as the Navy Civilian Acculturation Program (NCAP) app, has been revised, expanded, and rebranded to include both Navy and Marine Corps content and capabilities. The app is an on-demand training, education, and orientation tool for new civilian employees of the U.S. Navy and the U.S. Marine Corps. It provides general information about the Navy and the Marines, including organizational structure, operations, uniformed and civilian personnel, history, and heritage. The DON AP app also provides definitions of lingo and abbreviations, as well as useful information on Fleet Orientation Days, protocol matters, and other topics. Additionally, it supplies training tools for rank recognition, a variety of instructional videos, and much more. PDF copies of the Navy and Marine Corps Civilian Acculturation handbooks are also available for ready reference. Whether you are new to the DON civilian team or a longtime employee, the DON AP app has what you need to immerse yourself in the proud culture and history of the Navy and Marine Corps. Download the app and get started today. The DON AP app augments, but does not replace, each command’s unique civilian employee onboarding and inculturation programs.
MCCS ERR Support
Access information on resources for Marines within the Eastern Recruiting Region, covering the 1st, 4th, and 6th Marine Corps Districts. This reference tool helps Marines find available support and services.
- Resource information
- Eastern Recruiting Region
- 1st Marine Corps District
- 4th Marine Corps District
- 6th Marine Corps District
- Support services
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This app provides information about resources available to Marines in the Eastern Recruiting Region: 1st, 4th, & 6th Marine Corps Districts.
Screenshots
Verdict
The clearest difference is rating: MCCS ERR Support at 3.3 against DON AP's 2.4. MCCS ERR Support also leads on update cadence (every 6 weeks vs every 14 months). On price, review sentiment, ratings volume and ads 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.
MCCS ERR Support holds the better App Store score, 3.3 against 2.4. Both are backed by a comparable volume of ratings — 5 and 4 respectively. Written reviews split almost evenly too, at 0% and 0% positive.
DON AP ships an update every 14 months, MCCS ERR Support every 6 weeks. The most recent releases landed on September 29, 2026 and October 17, 2026 respectively.
| Parameter | DON AP | MCCS ERR Support |
|---|---|---|
| Price | Free | Free |
| Rating | 2.4 (5 ratings) | 3.3 (4 ratings) — better |
| Positive reviews | 0.0% of reviews | 0.0% of reviews |
| Number of ratings | 5 — better | 4 |
| Update frequency | Every 14 months | Every 6 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 72 MB | 16 MB |
| Age rating | 12+ | 4+ |
| Developer | Program Executive Office for Enterprise Information Systems, Sea Warrior Program | BUSINESS AND SUPPORT SERVICES |
Customer experience
DON AP
MCCS ERR Support
In-app purchases
DON AP
No in-app purchases
MCCS ERR Support
No in-app purchases
Questions
Is DON AP free?
Is MCCS ERR Support free?
Which has better reviews, DON AP or MCCS ERR Support?
Do DON AP or MCCS ERR Support have ads?
Which is updated more often, DON AP or MCCS ERR Support?
Other comparisons
