# IMBox vs Mi Portafirmas

IMBox and Mi Portafirmas are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

IMBox ships an update every 2 weeks, Mi Portafirmas monthly. The most recent releases landed on October 21, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | IMBox | Mi Portafirmas |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (12 ratings)](https://appshunter.io/ios/app/imbox/id783687933/reviews)** | — |
| Number of ratings | **12** | — |
| Positive reviews | 25.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Monthly |
| Monetization | Free | — |
| Size | 168 MB | 57 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SPOTBROS TECHNOLOGIES S.L.](https://appshunter.io/developer/555289745) | [Ministerio de Asuntos Economicos y Transformacion Digital](https://appshunter.io/developer/627410004) |

## What reviewers say

### IMBox

[App page](https://appshunter.io/ios/app/imbox/id783687933)

A secure and private instant messaging platform for businesses. It facilitates easy communication and file sharing among employees, clients, and providers without requiring phone numbers. Offers robust security features for data control and network management.

**Highlights:** Private and secure instant messaging, File sharing for any file type, Unlimited group chats and broadcast lists, Cross-company communication, Integrated user directory, Message status notifications, Remote data swipe

**Features:** Siri integration, Apple Wallet, Apple Watch app

**In-app purchases:** none


### Mi Portafirmas

[App page](https://appshunter.io/ios/app/mi-portafirmas/id976490515)

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

**In-app purchases:** none


## Frequently asked questions

### Is IMBox free?

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

### Is Mi Portafirmas free?

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

### Do IMBox or Mi Portafirmas have ads?

Neither IMBox nor Mi Portafirmas shows ads.

### Which is updated more often, IMBox or Mi Portafirmas?

IMBox ships an update every 2 weeks, and Mi Portafirmas monthly. Most recently, IMBox was updated on October 21, 2026 and Mi Portafirmas on October 26, 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.*