# Odisia vs Eco

The clearest difference is iOS requirement: Odisia at 10.0 against Eco'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.

Odisia ships an update every 3 months, Eco every 2 months. The most recent releases landed on October 8, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Odisia | Eco |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | Free | — |
| Size | 19 MB | 61 MB |
| Requires iOS | **10.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Lex Persona](https://appshunter.io/developer/472622163) | [OGGA](https://appshunter.io/developer/1084371614) |

## What reviewers say

### Odisia

[App page](https://appshunter.io/ios/app/odisia/id1236797966)

This app facilitates the electronic signing of documents using various certificate types. It integrates with business applications, allowing users to sign documents via a web interface or by scanning a QR code.

**Highlights:** Electronic document signing, Supports cryptographic and software certificates, On-the-fly certificate generation, Integration with business applications, QR code transaction scanning, Mobile signing via web interface

**In-app purchases:** none


### Eco

[App page](https://appshunter.io/ios/app/eco-config/id1569397288)

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

**In-app purchases:** none


## Frequently asked questions

### Is Odisia free?

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

### Is Eco free?

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

### Do Odisia or Eco have ads?

Neither Odisia nor Eco shows ads.

### Which is updated more often, Odisia or Eco?

Odisia ships an update every 3 months, and Eco every 2 months. Most recently, Odisia was updated on October 8, 2026 and Eco on October 2, 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.*