# eSignTrust MOTP vs Correctional Services Bureau

The clearest difference is iOS requirement: eSignTrust MOTP at 8.0 against Correctional Services Bureau's 15.6. On price, update cadence, 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.

Both ship on a similar rhythm, roughly every 5 months. The most recent releases landed on September 7, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | eSignTrust MOTP | Correctional Services Bureau |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/esigntrust-motp/id658182852/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | Every 5 months |
| Monetization | Free | — |
| Size | 4 MB | 13 MB |
| Requires iOS | **8.0** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Direccao dos Servicos de Correios e Telecomunicacoes](https://appshunter.io/developer/498719144) | [Correctional Services Bureau](https://appshunter.io/developer/1228513133) |

## What reviewers say

### eSignTrust MOTP

[App page](https://appshunter.io/ios/app/esigntrust-motp/id658182852)

This app enhances the security and convenience of digital certificate services by generating one-time passwords for verification. It replaces the need for smart cards and passwords during electronic signing, allowing users to authenticate with their registered email, password, and a dynamic code.

**Highlights:** One-time password generation, Enhanced digital certificate security, Convenient electronic signing, Replaces smart card and password, Email and password verification

**Features:** macOS Compatibility

**In-app purchases:** none


### Correctional Services Bureau

[App page](https://appshunter.io/ios/app/correctional-services-bureau/id1228513134)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is eSignTrust MOTP free?

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

### Is Correctional Services Bureau free?

Correctional Services Bureau is free to download, with no in-app purchases.

### Do eSignTrust MOTP or Correctional Services Bureau have ads?

Neither eSignTrust MOTP nor Correctional Services Bureau shows ads.

### Which is updated more often, eSignTrust MOTP or Correctional Services Bureau?

eSignTrust MOTP ships an update every 5 months, and Correctional Services Bureau every 5 months. Most recently, eSignTrust MOTP was updated on September 7, 2026 and Correctional Services Bureau on September 10, 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.*