# Hiroia Smart Scale vs The Espresso Protocol

The clearest difference is update cadence: The Espresso Protocol at every 2 weeks against Hiroia Smart Scale's every 3 months. Hiroia Smart Scale's advantage is iOS requirement (12.0 vs 15.1). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Hiroia Smart Scale ships an update every 3 months, The Espresso Protocol every 2 weeks. The most recent releases landed on September 15, 2026 and July 3, 2026 respectively.

## The numbers

| Metric | Hiroia Smart Scale | The Espresso Protocol |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/the-espresso-protocol/id6758075593/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 weeks** |
| Monetization | — | Free |
| Size | 20 MB | 39 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [HIROIA Communications Pte. Ltd.](https://appshunter.io/developer/1476636378) | [Premium Quality Consulting, LLC](https://appshunter.io/developer/1279676372) |

## What reviewers say

### Hiroia Smart Scale

[App page](https://appshunter.io/ios/app/hiroia-smart-scale/id1616596477)

**Features:** macOS Compatibility

**In-app purchases:** none


### The Espresso Protocol

[App page](https://appshunter.io/ios/app/the-espresso-protocol/id6758075593)

This tool helps assess coffee quality for espresso performance. It uses sensory science to quantify and describe coffee attributes, promoting transparency and communication across the coffee supply chain.

**Highlights:** Coffee quality assessment for espresso, Sensory science integration, Quantify coffee characteristics, Promotes supply chain transparency, Bridges roaster and producer communication

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

**In-app purchases:** none


## Frequently asked questions

### Is Hiroia Smart Scale free?

Hiroia Smart Scale is free to download, with no in-app purchases.

### Is The Espresso Protocol free?

The Espresso Protocol is free to download, with no in-app purchases.

### Do Hiroia Smart Scale or The Espresso Protocol have ads?

Neither Hiroia Smart Scale nor The Espresso Protocol shows ads.

### Which is updated more often, Hiroia Smart Scale or The Espresso Protocol?

Hiroia Smart Scale ships an update every 3 months, and The Espresso Protocol every 2 weeks. Most recently, Hiroia Smart Scale was updated on September 15, 2026 and The Espresso Protocol on July 3, 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.*