# kubic vs Double It Challenge

The clearest difference is rating: Double It Challenge at 5.0 against kubic's 4.4. Double It Challenge also leads on in-app purchases (none vs 5) and update cadence (every 3 weeks vs every 2 months). kubic's advantage is ratings volume (245 vs 3) and iOS requirement (13.0 vs 15.0). On price, ads and device support there is nothing between them.

Both are free to download. kubic sells 5 one-off in-app purchases. Double It Challenge asks for nothing beyond the download.

Double It Challenge holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: kubic has 245 ratings behind it against 3, so its average is the more settled of the two.

kubic ships an update every 2 months, Double It Challenge every 3 weeks. The most recent releases landed on October 12, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | kubic | Double It Challenge |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (245 ratings)](https://appshunter.io/ios/app/kubic/id1062903406/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/double-it-challenge/id6504582666/reviews)** |
| Number of ratings | **245** | 3 |
| Positive reviews | 36.4% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 383 MB | 39 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Pixel Envision Ltd.](https://appshunter.io/developer/444289214) | [Dogfish Technologies, LLC](https://appshunter.io/developer/1197710360) |

## What reviewers say

### kubic

[App page](https://appshunter.io/ios/app/kubic/id1062903406)

This optical illusion puzzle game challenges players to construct impossible structures inspired by M.C. Escher's art. With a clean design and minimalistic graphics, it offers over 60 mind-bending puzzles across various geometric and spatial themes. Features include layer locking, zoom, and an in-game hint system to aid progression.

**Highlights:** Optical illusion puzzles, M.C. Escher inspired designs, Geometric and impossible objects, Layer locking and manipulation, Zoom and view controls, In-game hint system, Progress syncing via iCloud

**Features:** macOS Compatibility

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 10 Hints | $0.99 | one-time |
| No Ads | $1.99 | one-time |
| 25 Hints | $1.99 | one-time |
| 50 Hints | $2.99 | one-time |
| 100 Hints | $3.99 | one-time |

**What reviewers like**

- 💡 Original and clever puzzles
- 🧠 Mind-bending challenges
- 👍 Fun and engaging gameplay
- ✨ Well-realized game concept
- 🤔 Puzzles make you think

**What reviewers complain about**

- 😠 Frustrating tile placement
- 📉 Steep difficulty curve
- 💸 Excessive and intrusive ads
- 😩 Stressful user experience
- ⚠️ Ads interrupt gameplay

**Reported bugs**

- Tiles not sticking correctly
- App won't launch offline
- App won't load/crashes on launch
- In-app purchase attempts forced
- Bug with in-app purchase activation

**Requested features**

- Fix tile placement issues
- Improve difficulty curve
- Option to rotate puzzles
- Option to lock in pieces
- Dark mode for night play


### Double It Challenge

[App page](https://appshunter.io/ios/app/double-it-challenge/id6504582666)

This is a puzzle game that combines luck and strategy. Players make strategic moves with numbered circles to achieve high scores. It's an addictive experience that's hard to put down.

**Highlights:** Strategic numbered circle movements, Addictive puzzle gameplay, Score-based challenges, Share results with friends

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is kubic free?

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

### Is Double It Challenge free?

Double It Challenge is free to download, with no in-app purchases.

### Which has better reviews, kubic or Double It Challenge?

Double It Challenge is rated higher. kubic averages 4.4 out of 5 from 245 ratings, while Double It Challenge averages 5.0 from 3 ratings.

### Do kubic or Double It Challenge have ads?

Both kubic and Double It Challenge show ads.

### Which is updated more often, kubic or Double It Challenge?

kubic ships an update every 2 months, and Double It Challenge every 3 weeks. Most recently, kubic was updated on October 12, 2026 and Double It Challenge on September 29, 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.*