# Double Number Merging vs Overclock

The clearest difference is review sentiment: Overclock at 100% against Double Number Merging's 7%. Overclock also leads on rating (5.0 vs 3.9) and in-app purchases (none vs 9). Double Number Merging's advantage is ratings volume (778 vs 5) and iOS requirement (15.0 vs 18.2). On price and device support there is nothing between them.

Both are free to download. Double Number Merging sells 9 one-off in-app purchases. Overclock asks for nothing beyond the download.

Overclock holds the better App Store score, 5.0 against 3.9. That said, the two scores are not equally well evidenced: Double Number Merging has 778 ratings behind it against 5, so its average is the more settled of the two. Written reviews point the same way: 7% of Double Number Merging's written reviews are positive against 100% of Overclock's.

Double Number Merging ships an update every 3 months, Overclock every 4 days. The most recent releases landed on October 19, 2026 and September 27, 2026 respectively.

## The numbers

| Metric | Double Number Merging | Overclock |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.9 (778 ratings)](https://appshunter.io/ios/app/double-number-merging/id6736434801/reviews) | **[5.0 (5 ratings)](https://appshunter.io/ios/app/overclock-reflex-games/id6797725090/reviews)** |
| Number of ratings | **778** | 5 |
| Positive reviews | 7.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | **Every 4 days** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 290 MB | 4 MB |
| Requires iOS | **15.0** | 18.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [puzzle studio](https://appshunter.io/developer/1562662220) | [Patrick DiRenzo](https://appshunter.io/developer/1795755416) |

## What reviewers say

### 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


### Overclock

[App page](https://appshunter.io/ios/app/overclock-reflex-games/id6797725090)

Test your speed, focus, and reaction time with five engaging mini-games. Compete with friends on leaderboards and unlock customization options. Designed for quick replays and challenging your personal bests.

**Highlights:** Five distinct reflex mini-games, Reaction time testing, Color matching challenges, Pattern recognition, Game Center leaderboards, Unlockable color themes

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

**In-app purchases:** none


## Frequently asked questions

### Is Double Number Merging free?

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

### Is Overclock free?

Overclock is free to download, with no in-app purchases.

### Which has better reviews, Double Number Merging or Overclock?

Overclock is rated higher. Double Number Merging averages 3.9 out of 5 from 778 ratings, while Overclock averages 5.0 from 5 ratings.

### Do Double Number Merging or Overclock have ads?

Double Number Merging shows ads; Overclock does not.

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

Double Number Merging ships an update every 3 months, and Overclock every 4 days. Most recently, Double Number Merging was updated on October 19, 2026 and Overclock on September 27, 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.*