# Basic 2 Building vs Civils Catalyst

Basic 2 Building and Civils Catalyst are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Both ship on a similar rhythm, roughly every 6 weeks. The most recent releases landed on September 15, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | Basic 2 Building | Civils Catalyst |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | Every 6 weeks |
| Size | 93 MB | 92 MB |
| Requires iOS | **14.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Anuj Gupta](https://appshunter.io/developer/1651060633) | [Aakash Sinha](https://appshunter.io/developer/1741940052) |

## What reviewers say

### Basic 2 Building

[App page](https://appshunter.io/ios/app/basic-2-building/id6670383751)

**In-app purchases:** none


### Civils Catalyst

[App page](https://appshunter.io/ios/app/civils-catalyst/id6776572205)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Basic 2 Building free?

Basic 2 Building is free to download, with no in-app purchases.

### Is Civils Catalyst free?

Civils Catalyst is free to download, with no in-app purchases.

### Do Basic 2 Building or Civils Catalyst have ads?

Neither Basic 2 Building nor Civils Catalyst shows ads.

### Which is updated more often, Basic 2 Building or Civils Catalyst?

Basic 2 Building ships an update every 6 weeks, and Civils Catalyst every 6 weeks. Most recently, Basic 2 Building was updated on September 15, 2026 and Civils Catalyst on September 10, 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.*