# CSN Quiz vs Sinonimos ES

The clearest difference is iOS requirement: CSN Quiz at 9.0 against Sinonimos ES's 12.0. On price, update cadence, ads and in-app purchases there is nothing between them.

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

CSN Quiz ships an update every 12 months, Sinonimos ES every 11 months. The most recent releases landed on October 26, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | CSN Quiz | Sinonimos ES |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 12 months | **Every 11 months** |
| Size | 162 MB | 65 MB |
| Requires iOS | **9.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [CONSEJO DE SEGURIDAD NUCLEAR](https://appshunter.io/developer/998296503) | [Ivo Fernandes](https://appshunter.io/developer/1251123569) |

## What reviewers say

### CSN Quiz

[App page](https://appshunter.io/ios/app/csn-quiz/id1354956272)

**Features:** macOS Compatibility

**In-app purchases:** none


### Sinonimos ES

[App page](https://appshunter.io/ios/app/sinonimos-es/id6471038342)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is CSN Quiz free?

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

### Is Sinonimos ES free?

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

### Do CSN Quiz or Sinonimos ES have ads?

Neither CSN Quiz nor Sinonimos ES shows ads.

### Which is updated more often, CSN Quiz or Sinonimos ES?

CSN Quiz ships an update every 12 months, and Sinonimos ES every 11 months. Most recently, CSN Quiz was updated on October 26, 2026 and Sinonimos ES on November 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.*