# USA Map Puzzle HD vs 好奇芽

The clearest difference is in-app purchases: USA Map Puzzle HD at none against 好奇芽's 2. 好奇芽's advantage is ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. 好奇芽 sells 2 one-off in-app purchases. USA Map Puzzle HD asks for nothing beyond the download.

USA Map Puzzle HD ships an update every 2 weeks, 好奇芽 every 9 days. The most recent releases landed on November 1, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | USA Map Puzzle HD | 好奇芽 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.7 (3 ratings)](https://appshunter.io/ios/app/usa-map-puzzle-hd/id979110590/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 weeks | **Every 9 days** |
| Monetization | Ad-supported | — |
| Size | 48 MB | 206 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Gloding Inc.](https://appshunter.io/developer/780228385) | [伟平 董](https://appshunter.io/developer/6801505186) |

## What reviewers say

### USA Map Puzzle HD

[App page](https://appshunter.io/ios/app/usa-map-puzzle-hd/id979110590)

Learn U.S. geography by assembling a puzzle of the 50 states. Touch and drag pieces to their correct positions, with names displayed and read aloud. Track your fastest completion times to improve your skills.

**Highlights:** 50 state-shaped puzzle pieces, Learn state positions and names, Name displayed and read aloud, One-finger touch controls, Fastest completion time tracking

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

**In-app purchases:** none


### 好奇芽

[App page](https://appshunter.io/ios/app/id6808455703)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 永久解锁全部内容 | $1.99 | one-time |
| 永久解锁全部内容 | $2.99 | one-time |


## Frequently asked questions

### Is USA Map Puzzle HD free?

USA Map Puzzle HD is free to download, with no in-app purchases.

### Is 好奇芽 free?

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

### Do USA Map Puzzle HD or 好奇芽 have ads?

USA Map Puzzle HD shows ads; 好奇芽 does not.

### Which is updated more often, USA Map Puzzle HD or 好奇芽?

USA Map Puzzle HD ships an update every 2 weeks, and 好奇芽 every 9 days. Most recently, USA Map Puzzle HD was updated on November 1, 2026 and 好奇芽 on November 10, 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.*