# COTEMIG Mobile vs My Rock

The clearest difference is review sentiment: COTEMIG Mobile at 100% against My Rock's 50%. COTEMIG Mobile also leads on rating (5.0 vs 4.5). My Rock's advantage is ratings volume (15 vs 2). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

COTEMIG Mobile holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: My Rock has 15 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 100% of COTEMIG Mobile's written reviews are positive against 50% of My Rock's.

COTEMIG Mobile ships an update every 3 weeks, My Rock every 6 weeks. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | COTEMIG Mobile | My Rock |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/cotemig-mobile/id1046327231/reviews)** | [4.5 (15 ratings)](https://appshunter.io/ios/app/my-rock/id1557893742/reviews) |
| Number of ratings | 2 | **15** |
| Positive reviews | **100.0% of reviews** | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 6 weeks |
| Monetization | Free | Free |
| Size | 27 MB | 81 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Faculdade e Colégio COTEMIG](https://appshunter.io/developer/1046327230) | [Rockfeller Brasil Editora e Treinamento Ltda](https://appshunter.io/developer/1470658119) |

## What reviewers say

### COTEMIG Mobile

[App page](https://appshunter.io/ios/app/cotemig-mobile/id1046327231)

Access academic portal services, view grades and attendance, find job opportunities, and receive real-time notifications for important updates. Manage your academic life with ease.

**Highlights:** 2nd copy of payment slips, News and important notices, School report card (grades and absences), Internship and job vacancies, Activity schedule, Class schedule, Enrollment for recovery and final exams

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### My Rock

[App page](https://appshunter.io/ios/app/my-rock/id1557893742)

Access all class audio, practice vocabulary and grammar, and engage in interactive speaking exercises with AI voice recognition. Schedule support classes, purchase materials, and manage your course progress, including finances and grades.

**Highlights:** Class audio access, Vocabulary and grammar exercises, Interactive speaking practice with AI, Support class scheduling, Course material purchase, Administrative access (finance, grades)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is COTEMIG Mobile free?

COTEMIG Mobile is free to download, with no in-app purchases.

### Is My Rock free?

My Rock is free to download, with no in-app purchases.

### Which has better reviews, COTEMIG Mobile or My Rock?

COTEMIG Mobile is rated higher. COTEMIG Mobile averages 5.0 out of 5 from 2 ratings, while My Rock averages 4.5 from 15 ratings.

### Do COTEMIG Mobile or My Rock have ads?

Neither COTEMIG Mobile nor My Rock shows ads.

### Which is updated more often, COTEMIG Mobile or My Rock?

COTEMIG Mobile ships an update every 3 weeks, and My Rock every 6 weeks. Most recently, COTEMIG Mobile was updated on November 1, 2026 and My Rock on November 3, 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.*