# Dozen vs Keep Building!

Dozen and Keep Building! are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support 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.

## The numbers

| Metric | Dozen | Keep Building! |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (21 ratings)](https://appshunter.io/ios/app/dozen-memory-game/id1520158240/reviews)** | — |
| Number of ratings | **21** | — |
| Positive reviews | 96.6% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | — |
| Monetization | Free | — |
| Size | 29 MB | 84 MB |
| Requires iOS | 15.0 | **14.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Igor Fedorov](https://appshunter.io/developer/1520158242) | [Leshan Wang184213996631](https://appshunter.io/developer/6775586929) |

## What reviewers say

### Dozen

[App page](https://appshunter.io/ios/app/dozen-memory-game/id1520158240)

A challenging memory card game where you compete against your iPhone to test and improve your memorization skills. Flip cards, match pairs, and score points before the device outmaneuvers you. Engage in fast-paced, addictive gameplay anytime, anywhere.

**Highlights:** Memory card game, Compete against iPhone, Memorize card locations, Score pairing points, Fast-paced gameplay, Sharpen memory

**Features:** macOS Compatibility

**In-app purchases:** none


### Keep Building!

[App page](https://appshunter.io/ios/app/keep-building/id6775586927)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Dozen free?

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

### Is Keep Building! free?

Keep Building! is free to download, with no in-app purchases.

### Do Dozen or Keep Building! have ads?

Neither Dozen nor Keep Building! shows ads.

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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.*