myDATAapp vs FPA 39a
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
myDATAapp
This official mobile application allows professionals and businesses to digitally issue and transmit invoices to the myDATA platform. It provides a secure and efficient way to manage tax obligations and streamline daily operations.
- Digital invoice issuance
- Invoice transmission to myDATA
- Secure platform
- Tax obligation management
- Streamlined operations
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Το myDATAapp είναι η επίσημη mobile εφαρμογή της Ανεξάρτητης Αρχής Δημοσίων Εσόδων, για την ψηφιακή έκδοση και διαβίβαση παραστατικών στην πλατφόρμα myDATA. Σχεδιασμένη για να διευκολύνει επαγγελματίες και επιχειρήσεις στην καθημερινή τους λειτουργία, η εφαρμογή προσφέρει μια ασφαλή και αποδοτική πλατφόρμα για την εκπλήρωση των φορολογικών σας υποχρεώσεων. Απαραίτητη προϋπόθεση για τη χρήση της εφαρμογής myDATAapp είναι η δημιουργία Φιλικών Κωδικών μέσω της εφαρμογής myDATAusers, στην ψηφιακή πύλη myAADE (myaade.gov.gr), στη διαδρομή Εφαρμογές > Δημοφιλείς Εφαρμογές > myDATA > Φιλικοί κωδικοί και εξουσιοδοτήσεις myDATAusers.
FPA 39a
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UNOFFICIAL APP — Not affiliated with, nor approved by AADE (the Greek Independent Authority for Public Revenue). It does not represent any government or public authority. Fpa 39a is an independent, unofficial client for AADE's online service "Article 39a par. 5 of the VAT Code" — the VAT reverse charge mechanism. You sign in with your special TAXISnet web service credentials and manage your tasks as a Buyer, Supplier, or Representative. FEATURES • Buyers: registration/update, details, history • Representatives: management, history, one-time codes per representative • One-time codes (OTP): creation, search, reservation, deletion • Supplier: VAT check, representative verification, transaction registration/modification, history with filters SECURITY • Your login credentials are stored encrypted on your device • Optional lock with biometrics (fingerprint/face) or PIN • Communication exclusively over a secure connection (HTTPS) with AADE Note: This is an independent, unofficial application. The special TAXISnet web service credentials are required (these are NOT your regular TAXISnet login credentials). OFFICIAL AADE SOURCES • Article 39a par. 5 service: https://www.aade.gr/en/service-article-39a-par5-circular-11502992017 • Special web-service credentials management (myAADE): https://www1.aade.gr/sgsisapps/tokenservices/protected/displayConsole.htm DISCLAIMER: Unofficial application. Not affiliated with, nor approved by AADE. It is not a product or service of any government/public authority.
Screenshots
Verdict
The clearest difference is ads: myDATAapp at none against FPA 39a's shown. myDATAapp also leads on iOS requirement (14.2 vs 18.0). FPA 39a's advantage is update cadence (daily vs fortnightly). On price, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
myDATAapp ships an update fortnightly, FPA 39a daily. The most recent releases landed on November 4, 2026 and November 5, 2026 respectively.
| Parameter | myDATAapp | FPA 39a |
|---|---|---|
| Price | Free | Free |
| Rating | 2.5 (2 ratings) — better | — |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | 2 — better | — |
| Update frequency | Fortnightly | Daily — better |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac, Apple Watch — better |
| Requires iOS | 14.2 — better | 18.0 |
| Further details — not scored | ||
| Size | 166 MB | 28 MB |
| Age rating | 17+ | 4+ |
| Developer | ΑΑΔΕ | TSETSONIS DIMITRIOS KAI SIA E.E. |
In-app purchases
myDATAapp
No in-app purchases
FPA 39a
No in-app purchases









