# ESP vs WeighMaster

The clearest difference is in-app purchases: WeighMaster at none against ESP's 1. WeighMaster also leads on iOS requirement (13.0 vs 16.0). On price, ads and device support there is nothing between them.

Both are free to download. ESP sells 1 one-off in-app purchase. WeighMaster asks for nothing beyond the download.

## The numbers

| Metric | ESP | WeighMaster |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/weighmaster/id6757784515/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | — | Weekly |
| Monetization | — | Free |
| Size | 1 MB | 70 MB |
| Requires iOS | 16.0 | **13.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Wuhan FireFrog Technology Co., Ltd.](https://appshunter.io/developer/917083159) | [EASIT TECHNOLOGY (HK) LIMITED](https://appshunter.io/developer/1868917068) |

## What reviewers say

### ESP

[App page](https://appshunter.io/ios/app/esp-airlink/id6756355176)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| a cup of coffee | $0.99 | one-time |


### WeighMaster

[App page](https://appshunter.io/ios/app/weighmaster/id6757784515)

This app connects to your coffee scale via Bluetooth to provide real-time data curves for the extraction process. It offers multi-mode support, flow monitoring, and automatic assistance for espresso brewing, helping users achieve precise results.

**Highlights:** Bluetooth scale connectivity, Real-time flow monitoring, Multi-mode support (pour-over, espresso), Automatic espresso assistance, Extraction data summary, Dynamic chart visualization

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

**In-app purchases:** none


## Frequently asked questions

### Is ESP free?

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

### Is WeighMaster free?

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

### Do ESP or WeighMaster have ads?

Neither ESP nor WeighMaster shows 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.*