# Billion Merge vs Spot The Diff

The clearest difference is ratings volume: Billion Merge at 4 against Spot The Diff's 1. On price, rating, ads and in-app purchases there is nothing between them.

Both are free to download. Billion Merge sells 10 one-off in-app purchases and Spot The Diff sells 5 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.0 for Billion Merge against 4.0 for Spot The Diff. Both are backed by a comparable volume of ratings — 4 and 1 respectively.

## The numbers

| Metric | Billion Merge | Spot The Diff |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (4 ratings)](https://appshunter.io/ios/app/billion-merge-numbers-puzzle/id6787387314/reviews) | [4.0 (1 ratings)](https://appshunter.io/ios/app/spot-the-diff-hidden-objects/id6790834529/reviews) |
| Number of ratings | **4** | 1 |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | — | Every 2 weeks |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 165 MB | 79 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [8GREAT GAMES, LLC](https://appshunter.io/developer/1680456883) | [MISTIX WATERS LLP](https://appshunter.io/developer/1895427317) |

## What reviewers say

### Billion Merge

[App page](https://appshunter.io/ios/app/billion-merge-numbers-puzzle/id6787387314)

Connect matching number blocks to unlock higher numbers and progress through a challenging puzzle adventure. This game offers a relaxing yet addictive experience designed to test your brain.

**Highlights:** Merge number blocks, Unlock billions, Brain challenge, Relaxing gameplay, Addictive puzzle adventure

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 200 Coins | $1.99 | one-time |
| 600 Coins | $4.99 | one-time |
| Remove Ads | $7.99 | one-time |
| 1300 Coins | $9.99 | one-time |
| No Ads Bundle | $9.99 | one-time |
| Small Bundle | $9.99 | one-time |
| Medium Bundle | $19.99 | one-time |
| Ultra Bundle | $34.99 | one-time |
| 9000 Coins | $49.99 | one-time |
| 20000 Coins | $99.99 | one-time |


### Spot The Diff

[App page](https://appshunter.io/ios/app/spot-the-diff-hidden-objects/id6790834529)

Engage your visual perception with three distinct puzzle modes: spot differences between scenes, find listed items, or identify the odd one out. Enjoy solo play or compete with friends in real-time multiplayer challenges. Features include helpful hints and daily rewards.

**Highlights:** Three visual puzzle modes, Spot the difference, Hidden objects, Odd one out, Multiplayer mode, Daily rewards, Hints and magnifiers

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Small Coin Pack | $0.99 | one-time |
| Medium Coin Pack | $4.99 | one-time |
| Remove Ads | $4.99 | one-time |
| Large Coin Pack | $9.99 | one-time |
| Mega Coin Pack | $19.99 | one-time |


## Frequently asked questions

### Is Billion Merge free?

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

### Is Spot The Diff free?

Spot The Diff is free to download, with in-app purchases available.

### Which has better reviews, Billion Merge or Spot The Diff?

Billion Merge and Spot The Diff are both rated 4.0 out of 5 on the App Store, from 4 and 1 ratings respectively.

### Do Billion Merge or Spot The Diff have ads?

Both Billion Merge and Spot The Diff show ads.

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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.*