# Rolling Mind vs Tower Builder

The clearest difference is update cadence: Tower Builder at every 4 days against Rolling Mind's every 2 months. Rolling Mind's advantage is iOS requirement (13.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Rolling Mind sells 5 one-off in-app purchases and Tower Builder sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Rolling Mind ships an update every 2 months, Tower Builder every 4 days. The most recent releases landed on October 7, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Rolling Mind | Tower Builder |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 2 months | **Every 4 days** |
| Size | 152 MB | 74 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [RustyCruise Labs Pte. Ltd.](https://appshunter.io/developer/1789087103) | [AXIAL MUHENDISLIK VE YAZILIM LIMITED SIRKETI](https://appshunter.io/developer/6799890839) |

## What reviewers say

### Rolling Mind

[App page](https://appshunter.io/ios/app/rolling-mind/id6740234485)

**Features:** macOS Compatibility

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Coin Bundle 1 | $0.99 | one-time |
| Coin Bundle 2 | $2.99 | one-time |
| Remove Ads | $4.99 | one-time |
| Coin Bundle 3 | $4.99 | one-time |
| Coin Bundle 4 | $9.99 | one-time |


### Tower Builder

[App page](https://appshunter.io/ios/app/tower-builder-earthquake-sim/id6799890597)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $2.99 | one-time |


## Frequently asked questions

### Is Rolling Mind free?

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

### Is Tower Builder free?

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

### Do Rolling Mind or Tower Builder have ads?

Both Rolling Mind and Tower Builder show ads.

### Which is updated more often, Rolling Mind or Tower Builder?

Rolling Mind ships an update every 2 months, and Tower Builder every 4 days. Most recently, Rolling Mind was updated on October 7, 2026 and Tower Builder on October 5, 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.*