B vs Invoice4all.gr
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
B
This app offers cloud-based trust services, including qualified electronic signatures with the same legal value as handwritten ones. It also provides remote identification and a non-qualified token service. The application is designed for ease of use, high security, and reliability on any internet-connected mobile device.
- Cloud Qualified Electronic Signature (QES)
- Non-qualified B-Token service
- Remote client identification
- Two-factor authentication
- High security and reliability
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B-Trust Mobile is mobile application owned by BORICA AD for using of cloud trust services. Easy to install and use, it increases cost efficiency and saves time. Services, offered by B-Trust mobile include: • Cloud QES - a qualified service with the same legal value as the handwritten signature, according to EU standards – eIDAS. Cloud qualified electronic signature service is prepaid. Available in different packages depending on the number of signatures included. • B-Token - an non-qualified service provided by a third party (bank or other institution) that determines the conditions of its use; • Remote identification - used for the purposes of the unattended client identification. Any mobile device with access to Internet can use B-Trust Mobile services . B-Trust mobile provides: • Ease of use, regardless of the operating system and browser; • High level of security, including a two-factor mechanism for proving ownership and establishing full control over the electronic signature; • High reliability and high security when using certified devices and cryptographic algorithms. For more information, visit the web site of the qualified certification services provider B-Trust – https://www.b-trust.bg ______________________________________________________________________________ B-Trust Mobile е мобилно приложение, собственост на БОРИКА АД, предназначено за използване на облачни удостоверителни услуги. Лесно за инсталиране и употреба, което повишава ефективността на разходите и спестява време. Услугите, които се предоставят чрез мобилното приложение, включват: - Облачен КЕП – квалифицирана услуга със силата на саморъчно положен подпис, съгласно стандартите на ЕС – eIDAS. Използването на облачен квалифициран електронен подпис е под формата на предплатени пакети с включен брой подписвания. - B-Тoken – неквалифицирана услуга, предоставена от трета страна (банка или друга институция), като условията за използване се определят от нея. - Отдалечена идентификация – използва се за целите на неприсъствена идентификацията на Клиента. Услугите, предлагани чрез мобилното приложение B-Trust Mobile, се използват от всяко мобилно устройство с достъп до интернет. B-Trust Mobile осигурява: • Удобство при ползване, независимо от операционни системи и браузъри • Високо ниво на сигурност, включващо двуфакторен механизъм за доказване на притежанието и установяване на пълен контрол над електронния подпис; • Висока степен на надеждност и защита при използване на сертифицирани устройства и алгоритми за криптография; За повече информация посетете сайта на квалифицирания доставчик на удостоверителни услуги B-Trust – https://www.b-trust.bg.
Invoice4all.gr
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Το Invoice4all είναι η ολοκληρωμένη εφαρμογή τιμολόγησης και διαχείρισης επιχείρησης για το κινητό σου. Εκδίδεις παραστατικά, τα αποστέλλεις στο myDATA της ΑΑΔΕ και έχεις τον έλεγχο των πωλήσεων, των πελατών και του ταμείου σου από οπουδήποτε. Τι μπορείς να κάνεις: • Έκδοση παραστατικών — Δημιούργησε τιμολόγια, αποδείξεις και λοιπά παραστατικά γρήγορα και σωστά, με αυτόματο υπολογισμό ΦΠΑ. • Διαβίβαση στο myDATA — Αποστολή των παραστατικών στην πλατφόρμα myDATA της ΑΑΔΕ απευθείας από το κινητό. • Ταμειακή — Διαχείριση εισπράξεων και πληρωμών με γρήγορη καταχώρηση στο ταμείο. • Διαχείριση επαφών — Πελάτες και προμηθευτές σε ένα σημείο, με πλήρη καρτέλα και ιστορικό συναλλαγών. • Δελτία αποστολής — Έκδοση δελτίων αποστολής και παρακολούθηση εισερχόμενων δελτίων. • Αναφορές — Ισοζύγιο, καρτέλες πελατών/προμηθευτών και εικόνα της επιχείρησης σε πραγματικό χρόνο. • Σαρωτής QR — Ενσωματωμένος σαρωτής QR για γρήγορη καταχώρηση και αναζήτηση. • Ειδοποιήσεις — Άμεσες ενημερώσεις για σημαντικές κινήσεις και εκκρεμότητες. Το Invoice4all απευθύνεται σε ελεύθερους επαγγελματίες, μικρές και μεσαίες επιχειρήσεις που θέλουν να διαχειρίζονται την τιμολόγηση και τις συναλλαγές τους εύκολα, γρήγορα και σύμφωνα με τη νομοθεσία. Κατέβασέ το και ξεκίνα να τιμολογείς από το κινητό σου σήμερα.
Screenshots
Verdict
The clearest difference is iOS requirement: B at 13.0 against Invoice4all.gr's 15.5. On price, update cadence, ads and in-app purchases 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.
B ships an update every 2 months, Invoice4all.gr every 6 weeks. The most recent releases landed on October 14, 2026 and October 10, 2026 respectively.
| Parameter | B | Invoice4all.gr |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (176 ratings) — better | — |
| Positive reviews | 32.0% of reviews | — |
| Number of ratings | 176 — better | — |
| Update frequency | Every 2 months | Every 6 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 — better | 15.5 |
| Further details — not scored | ||
| Size | 270 MB | 34 MB |
| Age rating | 4+ | 4+ |
| Developer | BORICA AD | 2 Monkeys EOOD |
In-app purchases
B
No in-app purchases
Invoice4all.gr
No in-app purchases






