# Subject Quest vs Reading Den

The clearest difference is in-app purchases: Subject Quest at none against Reading Den's 1. Subject Quest also leads on iOS requirement (15.1 vs 17.0). Reading Den's advantage is update cadence (every 5 days vs every 5 months). On price, ads and device support there is nothing between them.

Both are free to download. Reading Den sells 1 one-off in-app purchase. Subject Quest asks for nothing beyond the download.

Subject Quest ships an update every 5 months, Reading Den every 5 days. The most recent releases landed on October 14, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | Subject Quest | Reading Den |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/reading-den/id6774351394/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 5 days** |
| Monetization | — | Paid |
| Size | 41 MB | 57 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Sagarika Annapragada](https://appshunter.io/developer/1875166807) | [Nigelware](https://appshunter.io/developer/537502474) |

## What reviewers say

### Subject Quest

[App page](https://appshunter.io/ios/app/subject-quest/id6760158960)

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

**In-app purchases:** none


### Reading Den

[App page](https://appshunter.io/ios/app/reading-den/id6774351394)

This app teaches children to read using a structured, explicit phonics approach. It offers personalized practice, decodable stories, and encouraging feedback, designed to help all beginners, especially those who struggle.

**Highlights:** Explicit, systematic phonics instruction, Personalized practice for confusing letters, Truly decodable stories, Consistent, clear audio recordings, Encouraging, non-punitive correction, Parent dashboard for progress tracking, Dyslexia-friendly typeface option

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Everything | $14.99 | one-time |


## Frequently asked questions

### Is Subject Quest free?

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

### Is Reading Den free?

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

### Do Subject Quest or Reading Den have ads?

Neither Subject Quest nor Reading Den shows ads.

### Which is updated more often, Subject Quest or Reading Den?

Subject Quest ships an update every 5 months, and Reading Den every 5 days. Most recently, Subject Quest was updated on October 14, 2026 and Reading Den on September 26, 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.*