# First Difference game vs Mi Robot Builder

The clearest difference is price: Mi Robot Builder at Free against First Difference game's $1.99. Mi Robot Builder also leads on iOS requirement (8.0 vs 16.6). On ads, in-app purchases and device support there is nothing between them.

Mi Robot Builder is free to download; First Difference game costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | First Difference game | Mi Robot Builder |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | — | **[2.1 (28 ratings)](https://appshunter.io/ios/app/mi-robot-builder/id1239378456/reviews)** |
| Number of ratings | — | **28** |
| Positive reviews | — | 8.3% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 100 months | — |
| Monetization | — | Free |
| Size | 27 MB | 83 MB |
| Requires iOS | 16.6 | **8.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Alexandre Minard](https://appshunter.io/developer/285597460) | [Beijing IQI Technology Co.,Ltd.](https://appshunter.io/developer/1166057913) |

## What reviewers say

### First Difference game

[App page](https://appshunter.io/ios/app/first-difference-game-pirates/id1220158155)

**Features:** macOS Compatibility

**In-app purchases:** none


### Mi Robot Builder

[App page](https://appshunter.io/ios/app/mi-robot-builder/id1239378456)

Control and program a robot companion through your mobile device. Plan routes, use a virtual joystick, or leverage the gyroscope for intuitive movement. Create custom programs with modular blocks for endless fun and creativity.

**Highlights:** Route planning, Virtual joystick control, Gyroscope control, Modular programming, Robot customization, Electronic building instructions

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is First Difference game free?

First Difference game costs $1.99, with no in-app purchases.

### Is Mi Robot Builder free?

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

### Do First Difference game or Mi Robot Builder have ads?

Neither First Difference game nor Mi Robot Builder shows ads.

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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.*