TAP Cargo vs blue·auth
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
TAP Cargo
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TAP Cargo is closer to you with free App for iPhone and iPad. Track your shipment status in real time, by inserting your air waybill number. You can search schedule and status of TAP Portugal flights available for cargo. You can also find news, frequently asked questions and contacts around the world for bookings at TAP Cargo.
blue·auth
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Sign contracts and documents from your phone, with legal standing recognised across the European Union. When somebody sends you a document to sign, it turns up here. You get a notification, open it, read the whole thing and sign in the right place. No more printing, signing by hand, scanning and sending it back. QUALIFIED SIGNATURES Sign with the Portuguese Chave Móvel Digital and you get a qualified electronic signature, the highest level European law recognises. It carries the same weight as a signature witnessed in person, and is accepted by courts, banks, notaries and public services. If you would rather not, you can always sign the ordinary way, by drawing your signature on the screen. IDENTITY CHECKS When the sender asks for stronger proof, the app captures a photo of your identity document and runs a short video check that tells a real person from a photograph. All of it is stored alongside the document, as evidence. ALWAYS KNOW WHERE THINGS STAND See what is waiting for you, what you have signed and what is finished. On a document with several people, you can see who has signed and who is still holding it up. THE ORIGINAL IS ALWAYS ONE STEP AWAY Every signed document carries a code that takes anyone back to the original online, with the full record of who signed, when and from where. Print it or share it freely: the paper never loses its link to the original. PRIVATE BY DEFAULT The app opens with Face ID or Touch ID. Your documents are yours, and blue·auth was built from the ground up to prove a document is genuine without having to expose it. PART OF blueauth.co The app is one piece of a larger platform, with timestamping, document anonymisation, certificates, forensic evidence custody and tools for teams. What you sign here shows up there, and the other way round. A blue·auth account is required. You can create one at blueauth.co.
Screenshots
Verdict
The clearest difference is update cadence: blue·auth at daily against TAP Cargo's every 4 months. TAP Cargo's advantage is device support (3 vs 1) and iOS requirement (12.0 vs 17.0). On price, 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.
TAP Cargo ships an update every 4 months, blue·auth daily. Both last shipped on October 3, 2026.
| Parameter | TAP Cargo | blue·auth |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 4 months | Daily — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 12.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 36 MB | 40 MB |
| Age rating | +4 | 4+ |
| Developer | Transportes Aereos Portugueses S.A. | The Danyalgil Company |
In-app purchases
TAP Cargo
No in-app purchases
blue·auth
No in-app purchases









