# Circlebrix vs Smart Klondike

The clearest difference is in-app purchases: Smart Klondike at none against Circlebrix's 1. Smart Klondike also leads on ads (none vs shown) and update cadence (weekly vs every 2 months). Circlebrix's advantage is iOS requirement (12.0 vs 15.0). On price and device support there is nothing between them.

Both are free to download. Circlebrix sells 1 one-off in-app purchase. Smart Klondike asks for nothing beyond the download.

Circlebrix ships an update every 2 months, Smart Klondike weekly. The most recent releases landed on October 8, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Circlebrix | Smart Klondike |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Weekly** |
| Size | 93 MB | 125 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ammonite Design Studios Ltd](https://appshunter.io/developer/460176444) | [Thierry Penet](https://appshunter.io/developer/1845113183) |

## What reviewers say

### Circlebrix

[App page](https://appshunter.io/ios/app/circlebrix-falling-bricks/id6470126521)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $1.99 | one-time |


### Smart Klondike

[App page](https://appshunter.io/ios/app/smart-klondike/id6753807847)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Circlebrix free?

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

### Is Smart Klondike free?

Smart Klondike is free to download, with no in-app purchases.

### Do Circlebrix or Smart Klondike have ads?

Circlebrix shows ads; Smart Klondike does not.

### Which is updated more often, Circlebrix or Smart Klondike?

Circlebrix ships an update every 2 months, and Smart Klondike weekly. Most recently, Circlebrix was updated on October 8, 2026 and Smart Klondike on October 7, 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.*