# eSignaBox vs Viafirma OTP

The clearest difference is update cadence: eSignaBox at every 3 months against Viafirma OTP's every 48 months. On price, review sentiment, ads and in-app purchases there is nothing between them.

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

eSignaBox ships an update every 3 months, Viafirma OTP every 48 months. The most recent releases landed on October 26, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | eSignaBox | Viafirma OTP |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.0 (3 ratings)](https://appshunter.io/ios/app/viafirma-otp/id1260470795/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | 0.0% of reviews | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 48 months |
| Monetization | Free | Free |
| Size | 6 MB | 4 MB |
| Requires iOS | 12.4 | **11.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [LLEIDANET PKI SL.](https://appshunter.io/developer/570937712) | [Viafirma S.L](https://appshunter.io/developer/621607386) |

## What reviewers say

### eSignaBox

[App page](https://appshunter.io/ios/app/esignabox/id863039031)

Facilitate business transactions with secure electronic signatures and document exchange. Connect with clients, providers, and partners to streamline contract signing and cloud-based collaboration.

**Highlights:** Legal electronic signatures, Secure cloud document exchange, Business relationship enhancement, Contract signing without physical travel, Involve multiple parties in signatures, Chat with contacts

**In-app purchases:** none


### Viafirma OTP

[App page](https://appshunter.io/ios/app/viafirma-otp/id1260470795)

Generate two-factor identity verification codes for secure access to digital certificates. Enroll your identity easily via QR code or username and password. Protect your accounts with this essential security tool.

**Highlights:** Two-factor identity verification, Generate security codes, Protect digital certificates, Enroll identity via QR code, Username and password enrollment

**In-app purchases:** none


## Frequently asked questions

### Is eSignaBox free?

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

### Is Viafirma OTP free?

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

### Do eSignaBox or Viafirma OTP have ads?

Neither eSignaBox nor Viafirma OTP shows ads.

### Which is updated more often, eSignaBox or Viafirma OTP?

eSignaBox ships an update every 3 months, and Viafirma OTP every 48 months. Most recently, eSignaBox was updated on October 26, 2026 and Viafirma OTP on October 6, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*