# SynQuiz vs Most Common Czech Words

The clearest difference is in-app purchases: SynQuiz at none against Most Common Czech Words's 2. SynQuiz also leads on iOS requirement (10.0 vs 16.6). Most Common Czech Words's advantage is update cadence (monthly vs every 31 months). On price, ads and device support there is nothing between them.

Both are free to download. Most Common Czech Words sells 2 one-off in-app purchases. SynQuiz asks for nothing beyond the download.

SynQuiz ships an update every 31 months, Most Common Czech Words monthly. The most recent releases landed on October 24, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | SynQuiz | Most Common Czech Words |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.6 (7 ratings)](https://appshunter.io/ios/app/synquiz/id960687121/reviews)** | — |
| Number of ratings | **7** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 31 months | **Monthly** |
| Monetization | Free | — |
| Size | 16 MB | 75 MB |
| Requires iOS | **10.0** | 16.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Radboud University Nijmegen](https://appshunter.io/developer/624561804) | [Dominik Gyecsek](https://appshunter.io/developer/1447946653) |

## What reviewers say

### SynQuiz

[App page](https://appshunter.io/ios/app/synquiz/id960687121)

Explore the fascinating world of synaesthesia with playful tests designed to reveal if you experience interconnected senses. Discover if your grapheme-colour synaesthesia aligns with ongoing genetic research and potentially contribute to scientific studies.

**Highlights:** Four playful synaesthesia tests, Grapheme-colour synaesthesia assessment, Application for genetic studies, Test scores sharing, English, German, and Dutch languages

**Features:** macOS Compatibility

**In-app purchases:** none


### Most Common Czech Words

[App page](https://appshunter.io/ios/app/most-common-czech-words/id6479909302)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime Pro | $14.99 | one-time |
| Lifetime Pro | $19.99 | one-time |


## Frequently asked questions

### Is SynQuiz free?

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

### Is Most Common Czech Words free?

Most Common Czech Words is free to download, with in-app purchases available.

### Do SynQuiz or Most Common Czech Words have ads?

Neither SynQuiz nor Most Common Czech Words shows ads.

### Which is updated more often, SynQuiz or Most Common Czech Words?

SynQuiz ships an update every 31 months, and Most Common Czech Words monthly. Most recently, SynQuiz was updated on October 24, 2026 and Most Common Czech Words on October 27, 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.*