# IQ BLOCK vs Double Number Merging

The clearest difference is rating: Double Number Merging at 3.9 against IQ BLOCK's 3.3. Double Number Merging also leads on ratings volume (781 vs 12). On price, review sentiment, update cadence and ads there is nothing between them.

Both are free to download. IQ BLOCK sells 10 one-off in-app purchases and Double Number Merging sells 9 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Double Number Merging holds the better App Store score, 3.9 against 3.3. That said, the two scores are not equally well evidenced: Double Number Merging has 781 ratings behind it against 12, so its average is the more settled of the two. Written reviews point the same way: 0% of IQ BLOCK's written reviews are positive against 7% of Double Number Merging's.

Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on November 7, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | IQ BLOCK | Double Number Merging |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.3 (12 ratings)](https://appshunter.io/ios/app/iq-block-boredom-busting-game/id1557721697/reviews) | **[3.9 (781 ratings)](https://appshunter.io/ios/app/double-number-merging/id6736434801/reviews)** |
| Number of ratings | 12 | **781** |
| Positive reviews | 0.0% of reviews | **7.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 3 months | Every 3 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 219 MB | 290 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [DayOne LLC](https://appshunter.io/developer/721033055) | [puzzle studio](https://appshunter.io/developer/1562662220) |

## What reviewers say

### IQ BLOCK

[App page](https://appshunter.io/ios/app/iq-block-boredom-busting-game/id1557721697)

This game challenges your mind with hexagonal, triangular, and square blocks. Enjoy daily brain teasers by fitting shapes into a grid. It's designed for quick play sessions to keep your mind sharp and entertained.

**Highlights:** Hexagonal, triangular, and square block puzzles, Daily brain challenges, Simple to learn, hard to master gameplay, Thousands of unique levels, Colorful graphics and themes, No time limits

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $2.99 | one-time |
| 1,150 Coins | $7.99 | one-time |
| Pink Pulsar Pack | $7.99 | one-time |
| Starter Pack | $7.99 | one-time |
| Mega Coin Pack | $15.99 | one-time |
| 2,750 Coins | $19.99 | one-time |
| The Dusk Bundle | $19.99 | one-time |
| 6,000 Coins | $39.99 | one-time |
| Night House Bundle | $39.99 | one-time |
| 15,000 Coins | $89.99 | one-time |


### Double Number Merging

[App page](https://appshunter.io/ios/app/double-number-merging/id6736434801)

Engage your mind with a classic number-themed puzzle game. Strategically merge falling number blocks to clear space and achieve higher scores. Enjoy a fun and challenging experience anywhere, anytime, with features like daily bonuses and progress saving.

**Highlights:** Number block merging, Brain exercise, Multiple levels, Daily bonuses, Auto-save progress, Smash unwanted blocks

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

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1000 Diamonds | $0.99 | one-time |
| 10 Hammers | $1.49 | one-time |
| 10 Switches | $1.49 | one-time |
| 3000 Diamonds | $2.99 | one-time |
| 4400 Diamonds | $3.99 | one-time |
| Starter Pack | $4.99 | one-time |
| 9200 Diamonds | $7.99 | one-time |
| 18100 Diamonds | $14.99 | one-time |
| 26000 Diamonds | $19.99 | one-time |

**What reviewers like**

- 💡 Fun game concept

**What reviewers complain about**

- 🚫 Excessive ads that cover the screen
- 🐛 Ads that won't close or minimize
- 🚫 Ads that interrupt gameplay
- 🚫 Ads that prevent playing the game

**Reported bugs**

- Purchased items not received
- Freezing and crashing issues

**Requested features**

- Option to remove ads for a fee
- Reduce frequency of ads during gameplay


## Frequently asked questions

### Is IQ BLOCK free?

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

### Is Double Number Merging free?

Double Number Merging is free to download, with in-app purchases available.

### Which has better reviews, IQ BLOCK or Double Number Merging?

Double Number Merging is rated higher. IQ BLOCK averages 3.3 out of 5 from 12 ratings, while Double Number Merging averages 3.9 from 781 ratings.

### Do IQ BLOCK or Double Number Merging have ads?

Both IQ BLOCK and Double Number Merging show ads.

### Which is updated more often, IQ BLOCK or Double Number Merging?

IQ BLOCK ships an update every 3 months, and Double Number Merging every 3 months. Most recently, IQ BLOCK was updated on November 7, 2026 and Double Number Merging on November 8, 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.*