# Onix Vault — Transfer Guardians

> Transfer Guardians (iPhone/iPad app by GUARDIAO D'ONIX UNIPESSOAL LDA.)

- Source: https://appshunter.io/ios/app/onix-vault/id6811387988 (this page in markdown: same URL + `.md`)
- Developer: [GUARDIAO D'ONIX UNIPESSOAL LDA](https://appshunter.io/developer/1891976310)
- Category: Finance
- Price: Free with in-app purchases
- Age rating: 4+
- Requires: iOS 17.4 · 8 MB
- Languages: American English
- Released: 2026-10-01
- Data updated: 2026-11-13

## What is Onix Vault?

Vault, by Transfer Guardians, is the invoicing and tax compliance app for Portugal, designed for accountants, managers and businesses.

On iPhone and iPad you can:
• Track transactions, the accounting ledger and reconciliation
• View series, tax documents, ATCUD and totals
• Open and share SAF-T (PT) files that have already been exported and reviewed
• View your profile and manage your Vault subscription
• Sign in with two-factor authentication (TOTP) and use the same account on the web, iPhone and iPad

Vault subscription
• Monthly plan — €9.99, renewed automatically every month
• Annual plan — €99.99, renewed automatically every 12 months

Each plan covers one organisation and includes everything listed above, on iPhone, iPad and the web, with the same account.

Payment is charged to your Apple ID account when you confirm the purchase. The subscription renews automatically for the same period and price unless cancelled at least 24 hours before the end of the current period; the renewal is charged within the 24 hours before that end. You can manage or cancel the subscription at any time in Settings › Apple ID › Subscriptions.

Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Privacy Policy: https://www.transferguardians.com/privacy.html

The mobile app is for viewing and tracking: documents are not issued or reported to the Portuguese Tax Authority (Autoridade Tributária) from it.

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| Monthly plan (1 month) | $8.99 | per month |
| Annual plan (1 year) | $89.99 | per year |


## Is Onix Vault safe?

Not enough ratings yet to assess Onix Vault.

## Is Onix Vault legit?

Onix Vault appears legitimate, with a few gaps. The AppsHunter Legitimacy Score for Onix Vault is 65 out of 100 points across 7 verification signals from App Store and developer data.


## Version history (last 5 releases)

### 1.0.19 — 2026-11-11

Additional protection at sign-in against automated access. A notice when you sign in from a new device. Privacy and security improvements. Fixes.

### 1.0.18 — 2026-11-10

Reconciliation exceptions now show whether they are resolved or justified. The home screen counts only those still to decide. Fixes.

### 1.0.17 — 2026-11-09

TOTP authenticator recovery is now delayed and cancellable. Lockout after repeated failed sign-ins. Faster, more reliable dashboard. Better monthly SAF-T. Security updates.

### 1.0.16 — 2026-11-06

Phone notifications for approvals and alerts. Fixes.

### 1.0.15 — 2026-10-30

Phone notifications for approvals and alerts. Fixes.

## More apps by GUARDIAO D'ONIX UNIPESSOAL LDA

- [Marralhinha](https://appshunter.io/ios/app/marralhinha/id6761895799)
- [ChattingUp](https://appshunter.io/ios/app/chattingup/id6793071921)
- [GuardianFlow](https://appshunter.io/ios/app/guardianflow/id6811414084)
- [Onix](https://appshunter.io/ios/app/onix/id6822852147)
- [UNYIELDBORN](https://appshunter.io/ios/app/unyieldborn/id6826673991)

All apps by GUARDIAO D'ONIX UNIPESSOAL LDA: https://appshunter.io/developer/1891976310

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-11-13.*