# 호시탐탐 박물관 AR vs Revv

The clearest difference is in-app purchases: 호시탐탐 박물관 AR at none against Revv's 2. 호시탐탐 박물관 AR also leads on iOS requirement (9.0 vs 17.0). Revv's advantage is update cadence (every 3 days vs every 14 months). On price, ads and device support there is nothing between them.

Both are free to download. Revv sells 2 in-app purchases, starting at $6.99 per month. 호시탐탐 박물관 AR asks for nothing beyond the download.

호시탐탐 박물관 AR ships an update every 14 months, Revv every 3 days. The most recent releases landed on October 6, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | 호시탐탐 박물관 AR | Revv |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 14 months | **Every 3 days** |
| Size | 254 MB | 42 MB |
| Requires iOS | **9.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [KYOWON CO.,LTD](https://appshunter.io/developer/402661067) | [JINSEOK OH](https://appshunter.io/developer/1841405794) |

## What reviewers say

### 호시탐탐 박물관 AR

[App page](https://appshunter.io/ios/app/ar/id970301028)

**Features:** macOS Compatibility

**In-app purchases:** none


### Revv

[App page](https://appshunter.io/ios/app/revv-ai-flashcards/id6761010441)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Revv Pro Monthly | $6.99 | per month |
| Revv Pro Yearly | $39.99 | per year |


## Frequently asked questions

### Is 호시탐탐 박물관 AR free?

호시탐탐 박물관 AR is free to download, with no in-app purchases.

### Is Revv free?

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

### Do 호시탐탐 박물관 AR or Revv have ads?

Neither 호시탐탐 박물관 AR nor Revv shows ads.

### Which is updated more often, 호시탐탐 박물관 AR or Revv?

호시탐탐 박물관 AR ships an update every 14 months, and Revv every 3 days. Most recently, 호시탐탐 박물관 AR was updated on October 6, 2026 and Revv on October 2, 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.*