# Mi Mini Robot Builder vs Math Orbs

The clearest difference is price: Mi Mini Robot Builder at Free against Math Orbs's $0.99. Mi Mini Robot Builder also leads on iOS requirement (8.0 vs 13.0). Math Orbs's advantage is update cadence (weekly vs every 37 months). On ads, in-app purchases and device support there is nothing between them.

Mi Mini Robot Builder is free to download; Math Orbs costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Mi Mini Robot Builder ships an update every 37 months, Math Orbs weekly. The most recent releases landed on September 26, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Mi Mini Robot Builder | Math Orbs |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/math-orbs/id6475911131/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 37 months | **Weekly** |
| Monetization | **Free** | Paid |
| Size | 108 MB | 72 MB |
| Requires iOS | **8.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Beijing IQI Technology Co.,Ltd.](https://appshunter.io/developer/1166057913) | [Knowledge Vortex, LLC](https://appshunter.io/developer/1725396723) |

## What reviewers say

### Mi Mini Robot Builder

[App page](https://appshunter.io/ios/app/mi-mini-robot-builder/id1402505831)

This app connects to smart building blocks, allowing children to control their creations via Bluetooth. It offers a fun and simple interface for interactive play with robot pets made from over 300 blocks.

**Highlights:** Bluetooth robot control, Interactive building block play, Easy and fun interface, Control over 300+ blocks, Robot pet customization

**Features:** macOS Compatibility

**In-app purchases:** none


### Math Orbs

[App page](https://appshunter.io/ios/app/math-orbs/id6475911131)

This app offers Grade 1-6 algebra practice for children, allowing parents to track progress and identify areas of difficulty. It features interactive quests, collectible orbs, and a virtual scratchpad for calculations, making learning engaging and eliminating the need for workbooks.

**Highlights:** Grade 1-6 algebra practice, Parental progress tracking, Identify areas of struggle, Interactive quests, Collectible orbs, Virtual scratchpad

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Mi Mini Robot Builder free?

Mi Mini Robot Builder is free to download, with no in-app purchases.

### Is Math Orbs free?

Math Orbs costs $0.99, with no in-app purchases.

### Do Mi Mini Robot Builder or Math Orbs have ads?

Neither Mi Mini Robot Builder nor Math Orbs shows ads.

### Which is updated more often, Mi Mini Robot Builder or Math Orbs?

Mi Mini Robot Builder ships an update every 37 months, and Math Orbs weekly. Most recently, Mi Mini Robot Builder was updated on September 26, 2026 and Math Orbs on October 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.*