# Adacom Authenticator vs EYDAPP

The clearest difference is update cadence: EYDAPP at every 3 months against Adacom Authenticator's every 19 months. Adacom Authenticator's advantage is iOS requirement (9.0 vs 14.0). 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.

Adacom Authenticator ships an update every 19 months, EYDAPP every 3 months. The most recent releases landed on October 8, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | Adacom Authenticator | EYDAPP |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[2.5 (16 ratings)](https://appshunter.io/ios/app/eydapp/id1549401856/reviews)** |
| Number of ratings | — | **16** |
| Positive reviews | — | 36.4% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 19 months | **Every 3 months** |
| Monetization | — | Free |
| Size | 6 MB | 56 MB |
| Requires iOS | **9.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ADACOM SA](https://appshunter.io/developer/1447478028) | [ATHENS WATER SUPPLY & SEWERAGE COMPANY S.A.](https://appshunter.io/developer/922865346) |

## What reviewers say

### Adacom Authenticator

[App page](https://appshunter.io/ios/app/adacom-authenticator/id1447478029)

**Features:** macOS Compatibility

**In-app purchases:** none


### EYDAPP

[App page](https://appshunter.io/ios/app/eydapp/id1549401856)

Access company online services with mobile enhancements. Pay bills using your device's scanner, view water meters, report faults with photos and GPS, and find customer support locations.

**Highlights:** Bill payment via barcode scanner, Debit, credit, and e-banking options, Interactive map for payment points, Water meter viewing and bill payment, Fault reporting with photo and GPS, Real-time scheduled works updates, Customer service location finder

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Adacom Authenticator free?

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

### Is EYDAPP free?

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

### Do Adacom Authenticator or EYDAPP have ads?

Neither Adacom Authenticator nor EYDAPP shows ads.

### Which is updated more often, Adacom Authenticator or EYDAPP?

Adacom Authenticator ships an update every 19 months, and EYDAPP every 3 months. Most recently, Adacom Authenticator was updated on October 8, 2026 and EYDAPP 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.*