# MCCS ERR Support vs CorpsGuide

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.

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.

## The numbers

| Metric | MCCS ERR Support | CorpsGuide |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.3 (4 ratings)](https://appshunter.io/ios/app/mccs-err-support/id1634621151/reviews) | **[4.9 (278 ratings)](https://appshunter.io/ios/app/corpsguide/id6524634621/reviews)** |
| Number of ratings | 4 | **278** |
| Positive reviews | 0.0% of reviews | **80.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 6 weeks | **Every 11 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 16 MB | 60 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 9+ |
| Developer | [BUSINESS AND SUPPORT SERVICES](https://appshunter.io/developer/1450836994) | [Yonah Systems](https://appshunter.io/developer/1694042531) |

## What reviewers say

### MCCS ERR Support

[App page](https://appshunter.io/ios/app/mccs-err-support/id1634621151)

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.

**Highlights:** Resource information, Eastern Recruiting Region, 1st Marine Corps District, 4th Marine Corps District, 6th Marine Corps District, Support services

**In-app purchases:** none


### CorpsGuide

[App page](https://appshunter.io/ios/app/corpsguide/id6524634621)

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.

**Highlights:** 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

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CorpsGuide - Premium - 1 Month | $3.99 | per month |
| CorpsGuide - Premium - 1 Year | $29.99 | per year |
| Lifetime Premium Access | $59.99 | one-time |


## Frequently asked questions

### Is MCCS ERR Support free?

MCCS ERR Support is free to download, with no in-app purchases.

### Is CorpsGuide free?

CorpsGuide is free to download, with in-app purchases available.

### Which has better reviews, MCCS ERR Support or CorpsGuide?

CorpsGuide is rated higher. MCCS ERR Support averages 3.3 out of 5 from 4 ratings, while CorpsGuide averages 4.9 from 278 ratings.

### Do MCCS ERR Support or CorpsGuide have ads?

CorpsGuide shows ads; MCCS ERR Support does not.

### Which is updated more often, MCCS ERR Support or CorpsGuide?

MCCS ERR Support ships an update every 6 weeks, and CorpsGuide every 11 days. Most recently, MCCS ERR Support was updated on September 30, 2026 and CorpsGuide on September 29, 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.*