# SynQuiz vs Sentence Monster

The clearest difference is update cadence: Sentence Monster at every 3 weeks against SynQuiz's every 31 months. SynQuiz's advantage is iOS requirement (10.0 vs 15.1). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

SynQuiz ships an update every 31 months, Sentence Monster every 3 weeks. The most recent releases landed on October 9, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | SynQuiz | Sentence Monster |
| --- | --- | --- |
| 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 | No |
| Ads | No | No |
| Update frequency | Every 31 months | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 16 MB | 35 MB |
| Requires iOS | **10.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Radboud University Nijmegen](https://appshunter.io/developer/624561804) | [MINHYEONG YU](https://appshunter.io/developer/1896704546) |

## 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


### Sentence Monster

[App page](https://appshunter.io/ios/app/sentence-monster/id6769966713)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is SynQuiz free?

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

### Is Sentence Monster free?

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

### Do SynQuiz or Sentence Monster have ads?

Neither SynQuiz nor Sentence Monster shows ads.

### Which is updated more often, SynQuiz or Sentence Monster?

SynQuiz ships an update every 31 months, and Sentence Monster every 3 weeks. Most recently, SynQuiz was updated on October 9, 2026 and Sentence Monster on October 3, 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.*