# IQ Hit 2 vs Duckling Sort

The clearest difference is in-app purchases: IQ Hit 2 at none against Duckling Sort's 5. IQ Hit 2 also leads on iOS requirement (15.0 vs 17.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Duckling Sort sells 5 in-app purchases, starting at $2.99 per month. IQ Hit 2 asks for nothing beyond the download.

IQ Hit 2 ships an update every 3 days, Duckling Sort every 4 days. The most recent releases landed on October 13, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | IQ Hit 2 | Duckling Sort |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 4 days |
| Size | 39 MB | 40 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Chitranjan Kumar](https://appshunter.io/developer/6799720682) | [Thunyathep Santhanavanich](https://appshunter.io/developer/6811509101) |

## What reviewers say

### IQ Hit 2

[App page](https://appshunter.io/ios/app/iq-hit-2/id6799720680)

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

**In-app purchases:** none


### Duckling Sort

[App page](https://appshunter.io/ios/app/duckling-sort/id6811509098)

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Duck Club | $2.99 | per month |
| Coin Pouch | $0.99 | one-time |
| Coin Bag | $2.99 | one-time |
| Coin Bucket | $4.99 | one-time |
| Treasure Chest | $9.99 | one-time |


## Frequently asked questions

### Is IQ Hit 2 free?

IQ Hit 2 is free to download, with no in-app purchases.

### Is Duckling Sort free?

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

### Do IQ Hit 2 or Duckling Sort have ads?

Neither IQ Hit 2 nor Duckling Sort shows ads.

### Which is updated more often, IQ Hit 2 or Duckling Sort?

IQ Hit 2 ships an update every 3 days, and Duckling Sort every 4 days. Most recently, IQ Hit 2 was updated on October 13, 2026 and Duckling Sort on October 15, 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.*