# Mobile eSign vs Opentec E

The clearest difference is update cadence: Mobile eSign at every 3 months against Opentec E's every 8 months. Mobile eSign also leads on device support (3 vs 1) and iOS requirement (12.0 vs 15.6). On price, 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.

Mobile eSign ships an update every 3 months, Opentec E every 8 months. The most recent releases landed on October 3, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | Mobile eSign | Opentec E |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/mobile-esign/id1002374341/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 8 months |
| Monetization | Free | — |
| Size | 6 MB | 96 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPad |
| Age rating | 4+ | 4+ |
| Developer | [EBSMechdata](https://appshunter.io/developer/850580288) | [OPEN TEC SYSTEMS L L C](https://appshunter.io/developer/1496569686) |

## What reviewers say

### Mobile eSign

[App page](https://appshunter.io/ios/app/mobile-esign/id1002374341)

Streamline rental inspections, equipment check-ins, and document management with digital signatures and photo capture. Generate organized PDF records for rental agreements and inspections, reducing paperwork and improving accountability for equipment dealerships.

**Highlights:** Digital signature capture, Rental check-in/check-out workflows, General equipment inspections, Customizable checklists, Photo capture and attachment, Automatic PDF generation, ERP integration

**Features:** macOS Compatibility

**In-app purchases:** none


### Opentec E

[App page](https://appshunter.io/ios/app/opentec-e-signer/id1496569687)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Mobile eSign free?

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

### Is Opentec E free?

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

### Do Mobile eSign or Opentec E have ads?

Neither Mobile eSign nor Opentec E shows ads.

### Which is updated more often, Mobile eSign or Opentec E?

Mobile eSign ships an update every 3 months, and Opentec E every 8 months. Most recently, Mobile eSign was updated on October 3, 2026 and Opentec E on September 24, 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.*