# Olympia Odos vs Sigma

The clearest difference is update cadence: Sigma at every 3 weeks against Olympia Odos's every 3 months. On price, ads, in-app purchases and device support there is nothing between them.

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

Olympia Odos ships an update every 3 months, Sigma every 3 weeks. The most recent releases landed on October 17, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Olympia Odos | Sigma |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 9.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 66 MB | 107 MB |
| Requires iOS | **14.0** | 15.6 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [IBI Group](https://appshunter.io/developer/438078843) | [Abdelkader Magri](https://appshunter.io/developer/1758045916) |

## What reviewers say

### Olympia Odos

[App page](https://appshunter.io/ios/app/olympia-odos/id1458368142)

This app provides a comprehensive travel experience for drivers on the Elefsina-Korinthos-Patras highway. It offers services for subscribers, including account management and top-ups, and guest features like toll calculation, route planning, and points of interest.

**Highlights:** Account management for subscribers, Toll Fare Calculator, Optimal route and travel time, Interactive map with points of interest, Emergency number access, Traffic prediction and real-time traffic

**In-app purchases:** none


### Sigma

[App page](https://appshunter.io/ios/app/sigma/id6754206221)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Olympia Odos free?

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

### Is Sigma free?

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

### Do Olympia Odos or Sigma have ads?

Neither Olympia Odos nor Sigma shows ads.

### Which is updated more often, Olympia Odos or Sigma?

Olympia Odos ships an update every 3 months, and Sigma every 3 weeks. Most recently, Olympia Odos was updated on October 17, 2026 and Sigma on October 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.*