# Hormigonera HDI vs Mail Assistant

The clearest difference is in-app purchases: Hormigonera HDI at none against Mail Assistant's 2. Mail Assistant's advantage is update cadence (every 10 days vs every 18 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Mail Assistant sells 2 in-app purchases, starting at $9.99 per month. Hormigonera HDI asks for nothing beyond the download.

Hormigonera HDI ships an update every 18 months, Mail Assistant every 10 days. The most recent releases landed on September 12, 2026 and September 3, 2026 respectively.

## The numbers

| Metric | Hormigonera HDI | Mail Assistant |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/mail-assistant-scanaskreply/id6741898310/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 18 months | **Every 10 days** |
| Monetization | — | Subscription |
| Size | 46 MB | 21 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Loop 4 Solutions](https://appshunter.io/developer/1418729643) | [Cheese Wheels Apps OU](https://appshunter.io/developer/1819473115) |

## What reviewers say

### Hormigonera HDI

[App page](https://appshunter.io/ios/app/hormigonera-hdi/id6466303441)

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

**In-app purchases:** none


### Mail Assistant

[App page](https://appshunter.io/ios/app/mail-assistant-scanaskreply/id6741898310)

Understand, summarize, and professionally respond to any letter with AI. Scan or upload documents, ask questions about their content, and get instant translations in over 80 languages. Effortlessly manage your mail and reply with confidence.

**Highlights:** Scan or upload paper mail, AI-powered mail summarization, Ask AI questions about mail content, Compose professional replies, Supports 80+ languages, Translate and understand mail

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly subscription | $9.99 | per month |
| Yearly subscription | $49.99 | per year |


## Frequently asked questions

### Is Hormigonera HDI free?

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

### Is Mail Assistant free?

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

### Do Hormigonera HDI or Mail Assistant have ads?

Neither Hormigonera HDI nor Mail Assistant shows ads.

### Which is updated more often, Hormigonera HDI or Mail Assistant?

Hormigonera HDI ships an update every 18 months, and Mail Assistant every 10 days. Most recently, Hormigonera HDI was updated on September 12, 2026 and Mail Assistant on September 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.*