# What is common vs Take Quiz Explore knowledge

The clearest difference is in-app purchases: Take Quiz Explore knowledge at none against What is common's 5. Take Quiz Explore knowledge also leads on update cadence (every 2 weeks vs every 5 months). What is common's advantage is ads (none vs shown) and iOS requirement (9.0 vs 13.4). On price and device support there is nothing between them.

Both are free to download. What is common sells 5 one-off in-app purchases. Take Quiz Explore knowledge asks for nothing beyond the download.

What is common ships an update every 5 months, Take Quiz Explore knowledge every 2 weeks. The most recent releases landed on November 2, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | What is common | Take Quiz Explore knowledge |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/what-is-common/id1434382488/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 5 months | **Every 2 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 70 MB | 19 MB |
| Requires iOS | **9.0** | 13.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Andrei Naumov](https://appshunter.io/developer/1171784379) | [Hung Le Quang](https://appshunter.io/developer/1094641675) |

## What reviewers say

### What is common

[App page](https://appshunter.io/ios/app/what-is-common/id1434382488)

This word puzzle game challenges players to identify the common element across a set of images. Solve puzzles by selecting the correct letters to form the answer. Features multiple difficulty levels, hints, and rewards.

**Highlights:** Identify common elements in images, Solve word puzzles, 100 colorful levels, Hint and reward system, Skip levels and return later, Supports Russian and English

**Features:** macOS Compatibility

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Buy 500 coins | $0.99 | one-time |
| Buy 1500 coins | $1.99 | one-time |
| Remoev ads | $1.99 | one-time |
| Buy 5000 coins | $3.99 | one-time |
| Buy 20000 coins | $5.99 | one-time |


### Take Quiz Explore knowledge

[App page](https://appshunter.io/ios/app/take-quiz-explore-knowledge/id6529526602)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is What is common free?

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

### Is Take Quiz Explore knowledge free?

Take Quiz Explore knowledge is free to download, with no in-app purchases.

### Do What is common or Take Quiz Explore knowledge have ads?

Take Quiz Explore knowledge shows ads; What is common does not.

### Which is updated more often, What is common or Take Quiz Explore knowledge?

What is common ships an update every 5 months, and Take Quiz Explore knowledge every 2 weeks. Most recently, What is common was updated on November 2, 2026 and Take Quiz Explore knowledge on November 4, 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.*