# Merge Knife vs Builder Flow

The clearest difference is in-app purchases: Builder Flow at none against Merge Knife's 6. Builder Flow also leads on ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Merge Knife sells 6 one-off in-app purchases. Builder Flow asks for nothing beyond the download.

## The numbers

| Metric | Merge Knife | Builder Flow |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/merge-knife/id1624414244/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | — |
| Monetization | Free with in-app purchases | — |
| Size | 130 MB | 4 MB |
| Requires iOS | 16.0 | 16.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Shanghai Pulu Network Technology Co., Ltd.](https://appshunter.io/developer/1469533027) | [Benjamin Strehler](https://appshunter.io/developer/1888477492) |

## What reviewers say

### Merge Knife

[App page](https://appshunter.io/ios/app/merge-knife/id1624414244)

Merge identical knives to unlock new varieties and earn coins. Build your own store, level up your blacksmith shop, and expand your forging capabilities to become an idle master. Collect over 50 unique knives in this synthesis and idle gameplay experience.

**Highlights:** Merge identical knives, Unlock over 50 knife varieties, Build and upgrade your store, Earn coins and experience, Expand forging places, Idle gameplay

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $0.99 | one-time |
| 40 rubies | $0.99 | one-time |
| 440 rubies | $9.99 | one-time |
| 920 rubies | $19.99 | one-time |
| 1440 rubies | $29.99 | one-time |
| 2800 rubies | $49.99 | one-time |


### Builder Flow

[App page](https://appshunter.io/ios/app/builder-flow/id6761262792)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Merge Knife free?

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

### Is Builder Flow free?

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

### Do Merge Knife or Builder Flow have ads?

Merge Knife shows ads; Builder Flow does not.

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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.*