# Ultimate Math Brain Trainer vs Goo

The clearest difference is in-app purchases: Goo at none against Ultimate Math Brain Trainer's 11. Goo also leads on ads (none vs shown) and update cadence (every 2 weeks vs every 4 months). On price and device support there is nothing between them.

Both are free to download. Ultimate Math Brain Trainer sells 11 in-app purchases, starting at $1.99 per 7 days. Goo asks for nothing beyond the download.

Ultimate Math Brain Trainer ships an update every 4 months, Goo every 2 weeks. The most recent releases landed on September 30, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Ultimate Math Brain Trainer | Goo |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.6 (5 ratings)](https://appshunter.io/ios/app/goo/id1377817281/reviews)** |
| Number of ratings | — | **5** |
| Positive reviews | — | 33.3% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 4 months | **Every 2 weeks** |
| Monetization | — | Free |
| Size | 13 MB | 77 MB |
| Requires iOS | 26.0 | **11.2** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Sandeep Bhandari](https://appshunter.io/developer/794284640) | [Little Whale Inc.](https://appshunter.io/developer/1167650904) |

## What reviewers say

### Ultimate Math Brain Trainer

[App page](https://appshunter.io/ios/app/ultimate-math-brain-trainer/id1148403245)

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

**In-app purchases (11)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Subscription | $1.99 | per 7 days |
| Pro Weekly | $2.99 | per 7 days |
| Monthly Subscription | $4.99 | per month |
| Pro Monthly | $5.99 | per month |
| Yearly Subscription Discount | $14.99 | per year |
| Yearly Subscription Sale | $14.99 | per year |
| Yearly Subscription Special | $19.99 | per year |
| Pro Annual | $29.99 | per year |
| Yearly Subscription | $29.99 | per year |
| Forever Pro | $49.99 | one-time |
| Lifetime Pro Discount | $79.99 | one-time |


### Goo

[App page](https://appshunter.io/ios/app/goo/id1377817281)

This app helps children learn two languages simultaneously through colorful animations and pictures. It offers six fun categories with voiceovers and cheerful music to make learning engaging and beneficial.

**Highlights:** Bilingual learning, Colorful animations and pictures, Six learning categories, Voiceovers for words, Cheerful background music, Watercolor art style

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Ultimate Math Brain Trainer free?

Ultimate Math Brain Trainer is free to download, with in-app purchases available.

### Is Goo free?

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

### Do Ultimate Math Brain Trainer or Goo have ads?

Ultimate Math Brain Trainer shows ads; Goo does not.

### Which is updated more often, Ultimate Math Brain Trainer or Goo?

Ultimate Math Brain Trainer ships an update every 4 months, and Goo every 2 weeks. Most recently, Ultimate Math Brain Trainer was updated on September 30, 2026 and Goo on October 4, 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.*