# Colors Seek vs Tower Builder

The clearest difference is in-app purchases: Colors Seek at none against Tower Builder's 1. Colors Seek also leads on ads (none vs shown). Tower Builder's advantage is update cadence (weekly vs every 6 months) and iOS requirement (15.0 vs 17.0). On price and device support there is nothing between them.

Both are free to download. Tower Builder sells 1 one-off in-app purchase. Colors Seek asks for nothing beyond the download.

Colors Seek ships an update every 6 months, Tower Builder weekly. The most recent releases landed on October 29, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Colors Seek | Tower Builder |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.0 (1 ratings)](https://appshunter.io/ios/app/tower-builder-earthquake-sim/id6799890597/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 6 months | **Weekly** |
| Monetization | — | Free with in-app purchases |
| Size | 2 MB | 74 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Cogniaxiom S.L.](https://appshunter.io/developer/1508012002) | [AXIAL MUHENDISLIK VE YAZILIM LIMITED SIRKETI](https://appshunter.io/developer/6799890839) |

## What reviewers say

### Colors Seek

[App page](https://appshunter.io/ios/app/colors-seek/id1508012003)

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

**In-app purchases:** none


### Tower Builder

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

Design, build, and test the stability of structures against simulated earthquakes. Optimize load distribution and analyze real-time performance under seismic forces.

**Highlights:** Design and construct high-rise structures, Test structural stability, Simulate earthquake intensities, Optimize beam/column load distribution, Analyze real-time structural performance

**In-app purchases (1)**

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


## Frequently asked questions

### Is Colors Seek free?

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

### Is Tower Builder free?

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

### Do Colors Seek or Tower Builder have ads?

Tower Builder shows ads; Colors Seek does not.

### Which is updated more often, Colors Seek or Tower Builder?

Colors Seek ships an update every 6 months, and Tower Builder weekly. Most recently, Colors Seek was updated on October 29, 2026 and Tower Builder on October 31, 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.*