# Go Go Robot vs Modstack

The clearest difference is ads: Modstack at none against Go Go Robot's shown. Go Go Robot's advantage is iOS requirement (12.0 vs 15.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Go Go Robot sells 6 one-off in-app purchases and Modstack sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | Go Go Robot | Modstack |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | — | Every 2 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 88 MB | 31 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Wizard Games Inc](https://appshunter.io/developer/718598310) | [NovoBuild LLC](https://appshunter.io/developer/1784126512) |

## What reviewers say

### Go Go Robot

[App page](https://appshunter.io/ios/app/go-go-robot-puzzle-adventure/id6503629557)

Program a robot to navigate challenging levels by selecting the best set of instructions. Avoid pitfalls, collect coins, and guide the robot to safety to solve each puzzle.

**Highlights:** Robot programming puzzles, Level-based progression, Instruction selection gameplay, Coin collection, Obstacle avoidance

**Features:** macOS Compatibility

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 300 Coins | $1.99 | one-time |
| Remove Ads | $4.99 | one-time |
| Welcome Pack | $6.99 | one-time |
| 1300 Coins | $7.99 | one-time |
| 2600 Coins | $14.99 | one-time |
| 8000 Coins | $29.99 | one-time |


### Modstack

[App page](https://appshunter.io/ios/app/modstack-programming-puzzle/id6803866356)

**Features:** Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Full Modstack | $3.99 | one-time |


## Frequently asked questions

### Is Go Go Robot free?

Go Go Robot is free to download, with in-app purchases available.

### Is Modstack free?

Modstack is free to download, with in-app purchases available.

### Do Go Go Robot or Modstack have ads?

Go Go Robot shows ads; Modstack does not.

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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.*