# Billion Merge vs Stack Flow

The clearest difference is in-app purchases: Stack Flow at none against Billion Merge's 10. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Billion Merge sells 10 one-off in-app purchases. Stack Flow asks for nothing beyond the download.

## The numbers

| Metric | Billion Merge | Stack Flow |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (4 ratings)](https://appshunter.io/ios/app/billion-merge-numbers-puzzle/id6787387314/reviews)** | — |
| Number of ratings | **4** | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | — | Daily |
| Monetization | Free with in-app purchases | — |
| Size | 165 MB | 129 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) | [Dipayon Debnath Dip](https://appshunter.io/developer/1566993708) |

## 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 |


### Stack Flow

[App page](https://appshunter.io/ios/app/stack-flow-soap-cutting/id6793167382)

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

**In-app purchases:** none


## Frequently asked questions

### Is Billion Merge free?

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

### Is Stack Flow free?

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

### Do Billion Merge or Stack Flow have ads?

Both Billion Merge and Stack Flow 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.*