MCCS ERR Support vs CorpsGuide
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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
Read full descriptionHide full description
This app provides information about resources available to Marines in the Eastern Recruiting Region: 1st, 4th, & 6th Marine Corps Districts.
CorpsGuide
This app serves as a comprehensive pocket reference for Marines, offering tools for fitness testing, body composition, performance evaluations, and career progression. It includes a knowledge base on aircraft, weapons, ranks, and uniform regulations, with features for building ribbon and medal racks.
- Push notifications for MARADMINs and ALMARs
- PFT/CFT and Body Composition calculators
- JEPES and Cutting Scores trackers
- Ribbon and Medal Rack builder
- Extensive knowledge base on Marine Corps topics
- Uniform regulations and insignia information
Read full descriptionHide full description
Welcome to CorpsGuide, the essential pocket reference app for Marines created by Marines. Whether you're active duty, reserve, veteran, or recruit, CorpsGuide provides vital tools and knowledge tailored for Marines. Key Features: - Messages & Alerts – Get push notifications for the latest MARADMINs and ALMARs, ensuring you never miss critical updates. View both new and historical messages in one convenient location. - PFT/CFT Calculator: Accurately calculate your Physical Fitness Test (PFT) and Combat Fitness Test (CFT) scores. - Annual Rifle Qualification (ARQ) Calculator: Calculate your ARQ classification from destroys and drill types passed, plus the rifle value it is worth toward JEPES. Includes the Expert, Sharpshooter, and Marksman standards, the full course of fire, and who shoots ARQ each year. - Body Composition (WHtR) Calculator – Check your Marine Corps body composition screening using the current Waist-to-Height Ratio (WHtR) standard. See maximum waist limits, remaining margin before exceeding the standard, and reference body fat allowances. - Military Pay Calculator: Estimate monthly or yearly Marine Corps pay using grade, years of service, Basic Pay, BAH, BAS, duty station ZIP code, and dependent status. - TSP Calculator: Estimate your Thrift Savings Plan (TSP) balance at retirement with contributions, BRS government match, annual return, salary growth, and year-by-year projections. - JEPES Calculator: Effortlessly compute your Junior Enlisted Performance Evaluation System (JEPES) scores to track your career progression. - Cutting Scores: View current and historical cutting scores to monitor career progression and prepare for promotion opportunities. - Ribbon Rack: Build and customize your ribbon rack with detailed ribbon information at your fingertips. - Medal Rack (Premium): Build accurate medal racks with full device support, including stars and other authorized devices. Easily visualize how your medals and ribbons should be worn for dress uniforms. - Marine Corps Installations: Browse major bases, air stations, depots, and logistics bases with location, major commands, local time, and official links. Includes an interactive world map that works with no signal. - Extensive Knowledge Base: Aircraft, vehicles, weapons, MOS list, general Marine Corps knowledge, acronyms, jargon, the phonetic alphabet, MRE menus, and official documents — all at your fingertips. - Ranks, Uniforms & Insignia: Military ranks for all six branches, plus reference on badges & insignia, medals, ribbons, and uniform regulations. - Date & Time Tools: EAS/retirement countdown, Julian and calendar date conversion, and local time at Marine Corps bases worldwide. - Marine Corps History: Commandants of the Marine Corps, Sergeants Major of the Marine Corps, and notable Marines. Why Choose CorpsGuide? - Created by Marines for Marines: Developed by those who understand the demands of Marine Corps life. - Always Up-to-Date: Regular updates ensure current and accurate information. - User-Friendly Interface: Easy navigation with an intuitive design. Download CorpsGuide today and have the most reliable Marine Corps reference tool at your fingertips. Stay informed, stay prepared, and Semper Fi! Disclaimer: CorpsGuide is an independent app created for educational purposes. This app is not affiliated with, endorsed by, or authorized by the United States Marine Corps (USMC), the Department of War, or any other government entity. Privacy Policy: https://corpsguide.com/privacy-policy/ Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is review sentiment: CorpsGuide at 80% against MCCS ERR Support's 0%. CorpsGuide also leads on rating (4.9 vs 3.3) and ratings volume (278 vs 4). MCCS ERR Support's advantage is in-app purchases (none vs 3) and ads (none vs shown). On price, device support and iOS requirement 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. CorpsGuide sells 3 in-app purchases, starting at $3.99 per month. MCCS ERR Support asks for nothing beyond the download.
CorpsGuide holds the better App Store score, 4.9 against 3.3. That said, the two scores are not equally well evidenced: CorpsGuide has 278 ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 0% of MCCS ERR Support's written reviews are positive against 80% of CorpsGuide's.
MCCS ERR Support ships an update every 6 weeks, CorpsGuide every 11 days. The most recent releases landed on September 30, 2026 and September 29, 2026 respectively.
| Parameter | MCCS ERR Support | CorpsGuide |
|---|---|---|
| Price | Free | Free |
| Rating | 3.3 (4 ratings) | 4.9 (278 ratings) — better |
| Positive reviews | 0.0% of reviews | 80.0% of reviews — better |
| Number of ratings | 4 | 278 — better |
| Update frequency | Every 6 weeks | Every 11 days — better |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.6 | 15.0 — better |
| Further details — not scored | ||
| Size | 16 MB | 60 MB |
| Age rating | 4+ | 9+ |
| Developer | BUSINESS AND SUPPORT SERVICES | Yonah Systems |
Customer experience
MCCS ERR Support
CorpsGuide
In-app purchases
MCCS ERR Support
No in-app purchases
CorpsGuide
- CorpsGuide - Premium - 1 Month$3.991 Month
- CorpsGuide - Premium - 1 Year$29.991 Year
- Lifetime Premium Access$59.99
Questions
Is MCCS ERR Support free?
Is CorpsGuide free?
Which has better reviews, MCCS ERR Support or CorpsGuide?
Do MCCS ERR Support or CorpsGuide have ads?
Which is updated more often, MCCS ERR Support or CorpsGuide?
Other comparisons















