# Pop Squircle vs Doublio

Pop Squircle and Doublio 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. Pop Squircle sells 1 one-off in-app purchase and Doublio sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Both ship on a similar rhythm, roughly weekly. Both last shipped on November 5, 2026.

## The numbers

| Metric | Pop Squircle | Doublio |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/pop-squircle/id6761506614/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Weekly | Weekly |
| Size | 6 MB | 35 MB |
| Requires iOS | 16.6 | **15.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Wisnu Wibowo Cahyoputra](https://appshunter.io/developer/1890047786) | [Jakub Schmidt](https://appshunter.io/developer/1895911394) |

## What reviewers say

### Pop Squircle

[App page](https://appshunter.io/ios/app/pop-squircle/id6761506614)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $0.99 | one-time |


### Doublio

[App page](https://appshunter.io/ios/app/doublio-number-puzzle/id6764775662)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Cascade Two: Ad Free | $1.99 | one-time |


## Frequently asked questions

### Is Pop Squircle free?

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

### Is Doublio free?

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

### Do Pop Squircle or Doublio have ads?

Both Pop Squircle and Doublio show ads.

### Which is updated more often, Pop Squircle or Doublio?

Pop Squircle ships an update weekly, and Doublio weekly. Most recently, Pop Squircle was updated on November 5, 2026 and Doublio on November 5, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*