# GRE® Test Prep by Galvanize vs MM Learning Lab

The clearest difference is rating: MM Learning Lab at 5.0 against GRE® Test Prep by Galvanize's 4.5. MM Learning Lab also leads on update cadence (weekly vs every 7 months). GRE® Test Prep by Galvanize's advantage is in-app purchases (none vs 1) and ratings volume (206 vs 1). On price, ads and device support there is nothing between them.

Both are free to download. MM Learning Lab sells 1 in-app purchase, starting at $1.99 per month. GRE® Test Prep by Galvanize asks for nothing beyond the download.

MM Learning Lab holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: GRE® Test Prep by Galvanize has 206 ratings behind it against 1, so its average is the more settled of the two.

GRE® Test Prep by Galvanize ships an update every 7 months, MM Learning Lab weekly. The most recent releases landed on July 21, 2026 and June 2, 2026 respectively.

## The numbers

| Metric | GRE® Test Prep by Galvanize | MM Learning Lab |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (206 ratings)](https://appshunter.io/ios/app/gre-test-prep-by-galvanize/id1018728564/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/mm-learning-lab/id6745541722/reviews)** |
| Number of ratings | **206** | 1 |
| Positive reviews | 85.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | **Weekly** |
| Monetization | **Free** | Freemium |
| Size | 28 MB | 43 MB |
| Requires iOS | **13.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [ENTRAYN EDUCATION TECHNOLOGIES PRIVATE LIMITED](https://appshunter.io/developer/1018728563) | [ISW TECHNOLOGIES LLC](https://appshunter.io/developer/1819593110) |

## What reviewers say

### GRE® Test Prep by Galvanize

[App page](https://appshunter.io/ios/app/gre-test-prep-by-galvanize/id1018728564)

Prepare for the GRE exam with a comprehensive app offering hundreds of practice questions and detailed explanations. Track your progress, predict your score, and gauge your readiness for the Math and Verbal sections. Study with friends and access exclusive formula cheat sheets.

**Highlights:** Hundreds of GRE-style practice questions, Detailed explanations for each question, GRE score predictor, Exam readiness indicator, Timed practice tests, Study with friends feature, Quant formula cheat sheet

**In-app purchases:** none

**What reviewers like**

- 📚 Comprehensive GRE practice questions covering all sections
- 💡 Detailed explanations for each answer
- ⏱️ Timed questions to practice pacing
- 🎯 Goal-setting feature with progress tracking
- 📱 Convenient on-the-go study tool

**What reviewers complain about**

- 🐛 App crashes frequently on certain iOS versions
- 🔐 Excessive data collection requirements
- 📵 Login and account creation issues
- ⚠️ Blank display on iPad
- 🔄 Questions fail to load after extended use

**Reported bugs**

- App crashes within 1 second on iOS 15
- Phone verification field not working
- Sign-in functionality broken
- Questions don't load after multiple practice sessions
- Spinning wheel animation freezes when loading questions

**Requested features**

- Simplified onboarding process without excessive data requirements
- Option to pay for app instead of writing reviews
- Progress reset functionality
- Improved iPad compatibility
- Better offline functionality


### MM Learning Lab

[App page](https://appshunter.io/ios/app/mm-learning-lab/id6745541722)

This app uses AI to engage children in learning through interactive voice chat, playful games, and personalized progress tracking. Kids can ask questions and receive spoken answers, play educational games, and enjoy a safe, ad-free environment designed for young learners.

**Highlights:** AI voice chat and conversation, Speech-to-text for questions, Chess with AI commentary, Classic learning games, Multiple child profiles, Offline progress tracking

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| M&M Learning Premium | $1.99 | per month |


## Frequently asked questions

### Is GRE® Test Prep by Galvanize free?

GRE® Test Prep by Galvanize is free to download, with no in-app purchases.

### Is MM Learning Lab free?

MM Learning Lab is free to download, with in-app purchases available.

### Which has better reviews, GRE® Test Prep by Galvanize or MM Learning Lab?

MM Learning Lab is rated higher. GRE® Test Prep by Galvanize averages 4.5 out of 5 from 206 ratings, while MM Learning Lab averages 5.0 from 1 ratings.

### Do GRE® Test Prep by Galvanize or MM Learning Lab have ads?

Neither GRE® Test Prep by Galvanize nor MM Learning Lab shows ads.

### Which is updated more often, GRE® Test Prep by Galvanize or MM Learning Lab?

GRE® Test Prep by Galvanize ships an update every 7 months, and MM Learning Lab weekly. Most recently, GRE® Test Prep by Galvanize was updated on July 21, 2026 and MM Learning Lab on June 2, 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.*