# River Quiz vs ShadowLoop

The clearest difference is in-app purchases: River Quiz at none against ShadowLoop's 2. River Quiz also leads on ads (none vs shown) and update cadence (every 8 days vs monthly). On price and device support there is nothing between them.

Both are free to download. ShadowLoop sells 2 in-app purchases, starting at $6.00 per month. River Quiz asks for nothing beyond the download.

River Quiz ships an update every 8 days, ShadowLoop monthly. The most recent releases landed on October 15, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | River Quiz | ShadowLoop |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 8 days** | Monthly |
| Size | 270 MB | 180 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [IDRIS BINGOL](https://appshunter.io/developer/6779903072) | [Eyuphan Aslan Yilmaz](https://appshunter.io/developer/6789892049) |

## What reviewers say

### River Quiz

[App page](https://appshunter.io/ios/app/river-quiz/id6779903070)

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

**In-app purchases:** none


### ShadowLoop

[App page](https://appshunter.io/ios/app/shadowloop-fluent-english/id6789892047)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ShadowLoop Monthly | $6.00 | per month |
| ShadowLoop Yearly | $56.00 | per year |


## Frequently asked questions

### Is River Quiz free?

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

### Is ShadowLoop free?

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

### Do River Quiz or ShadowLoop have ads?

ShadowLoop shows ads; River Quiz does not.

### Which is updated more often, River Quiz or ShadowLoop?

River Quiz ships an update every 8 days, and ShadowLoop monthly. Most recently, River Quiz was updated on October 15, 2026 and ShadowLoop on October 7, 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.*