# Queen’s Castle Learning 皇皓教育 vs Study Bird AI

The clearest difference is in-app purchases: Queen’s Castle Learning 皇皓教育 at none against Study Bird AI's 1. Queen’s Castle Learning 皇皓教育 also leads on ads (none vs shown) and device support (3 vs 1). Study Bird AI's advantage is update cadence (every 4 days vs every 2 months). On price there is nothing between them.

Both are free to download. Study Bird AI sells 1 in-app purchase, starting at $8.99 per month. Queen’s Castle Learning 皇皓教育 asks for nothing beyond the download.

Queen’s Castle Learning 皇皓教育 ships an update every 2 months, Study Bird AI every 4 days. The most recent releases landed on October 27, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Queen’s Castle Learning 皇皓教育 | Study Bird AI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/study-bird-ai/id6756741780/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Every 4 days** |
| Monetization | — | Free with in-app purchases |
| Size | 19 MB | 44 MB |
| Requires iOS | **12.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [Dreamware Limited](https://appshunter.io/developer/892413586) | [VIKTORIA GOLOVINA](https://appshunter.io/developer/1862593442) |

## What reviewers say

### Queen’s Castle Learning 皇皓教育

[App page](https://appshunter.io/ios/app/queens-castle-learning/id1546596903)

**Features:** macOS Compatibility

**In-app purchases:** none


### Study Bird AI

[App page](https://appshunter.io/ios/app/study-bird-ai/id6756741780)

Master any subject by playing an addictive Flappy Bird-style game. Answer multiple-choice questions triggered by pipe collisions to learn and earn points. Track your progress and achievements in this unique gamified educational experience.

**Highlights:** Flappy Bird gameplay mechanics, Educational questions triggered by gameplay, AI-powered study content generation, 15-question study sessions, Real-time scoring and progress tracking, XP and achievement system, Study time analytics

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Subscription | $8.99 | per month |


## Frequently asked questions

### Is Queen’s Castle Learning 皇皓教育 free?

Queen’s Castle Learning 皇皓教育 is free to download, with no in-app purchases.

### Is Study Bird AI free?

Study Bird AI is free to download, with in-app purchases available.

### Do Queen’s Castle Learning 皇皓教育 or Study Bird AI have ads?

Study Bird AI shows ads; Queen’s Castle Learning 皇皓教育 does not.

### Which is updated more often, Queen’s Castle Learning 皇皓教育 or Study Bird AI?

Queen’s Castle Learning 皇皓教育 ships an update every 2 months, and Study Bird AI every 4 days. Most recently, Queen’s Castle Learning 皇皓教育 was updated on October 27, 2026 and Study Bird AI on October 30, 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.*