# 63 vs Cube Fillz!

The clearest difference is in-app purchases: Cube Fillz! at none against 63's 1. Cube Fillz! also leads on iOS requirement (13.0 vs 15.1). 63's advantage is update cadence (fortnightly vs every 5 weeks). On price, ads and device support there is nothing between them.

Both are free to download. 63 sells 1 one-off in-app purchase. Cube Fillz! asks for nothing beyond the download.

63 ships an update fortnightly, Cube Fillz! every 5 weeks. The most recent releases landed on June 5, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | 63 | Cube Fillz! |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (8 ratings)](https://appshunter.io/ios/app/63-solve63com/id1512891713/reviews)** | — |
| Number of ratings | **8** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | **Fortnightly** | Every 5 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 34 MB | 121 MB |
| Requires iOS | 15.1 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Lalo Mrtnz](https://appshunter.io/developer/1512891712) | [一雄 胡](https://appshunter.io/developer/1370815535) |

## What reviewers say

### 63

[App page](https://appshunter.io/ios/app/63-solve63com/id1512891713)

Compete in real-time puzzle races against players globally. Be the first to solve a series of challenges to win. Only a limited number of events are ever available.

**Highlights:** Real-time global events, Competitive puzzle solving, Race against other players, Limited number of unique events, Solve puzzles quickly

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Faster Hint Reveal | $0.99 | one-time |


### Cube Fillz!

[App page](https://appshunter.io/ios/app/cube-fillz/id6743929574)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 63 free?

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

### Is Cube Fillz! free?

Cube Fillz! is free to download, with no in-app purchases.

### Do 63 or Cube Fillz! have ads?

Both 63 and Cube Fillz! show ads.

### Which is updated more often, 63 or Cube Fillz!?

63 ships an update fortnightly, and Cube Fillz! every 5 weeks. Most recently, 63 was updated on June 5, 2026 and Cube Fillz! on September 8, 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.*