# Hách Não vs IMPOSSIBLE RIDDLES CHALLENGE

The clearest difference is in-app purchases: IMPOSSIBLE RIDDLES CHALLENGE at none against Hách Não's 5. IMPOSSIBLE RIDDLES CHALLENGE also leads on iOS requirement (13.4 vs 15.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Hách Não sells 5 in-app purchases, starting at $0.99 per month. IMPOSSIBLE RIDDLES CHALLENGE asks for nothing beyond the download.

Both ship on a similar rhythm, roughly monthly. The most recent releases landed on September 18, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | Hách Não | IMPOSSIBLE RIDDLES CHALLENGE |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Monthly | Monthly |
| Size | 49 MB | 88 MB |
| Requires iOS | 15.0 | **13.4** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [DEVWORLD VIETAM COMPANY LIMITED](https://appshunter.io/developer/1867412933) | [NGUYEN DUC HIEU](https://appshunter.io/developer/762617890) |

## What reviewers say

### Hách Não

[App page](https://appshunter.io/ios/app/hach-nao/id1670595895)

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| One Month VIP | $0.99 | per month |
| Three Months VIP | $1.99 | per 3 months |
| Six Months VIP | $2.99 | per 6 months |
| 1 Year VIP | $4.99 | per year |
| No ads Pack | $7.99 | one-time |


### IMPOSSIBLE RIDDLES CHALLENGE

[App page](https://appshunter.io/ios/app/impossible-riddles-challenge/id6478904975)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Hách Não free?

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

### Is IMPOSSIBLE RIDDLES CHALLENGE free?

IMPOSSIBLE RIDDLES CHALLENGE is free to download, with no in-app purchases.

### Do Hách Não or IMPOSSIBLE RIDDLES CHALLENGE have ads?

Neither Hách Não nor IMPOSSIBLE RIDDLES CHALLENGE shows ads.

### Which is updated more often, Hách Não or IMPOSSIBLE RIDDLES CHALLENGE?

Hách Não ships an update monthly, and IMPOSSIBLE RIDDLES CHALLENGE monthly. Most recently, Hách Não was updated on September 18, 2026 and IMPOSSIBLE RIDDLES CHALLENGE on September 13, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*