blue·auth vs Shopkit
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
Shopkit
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With the Shopkit iOS app, you can access statistics, manage orders, view customer information, track shipments, and issue invoices directly from your iPhone. Take your online store with you wherever you go, simplifying your e-commerce experience and staying connected to your customers, no matter where you are. STATISTICS Monitor real-time visitors, orders, sales, and conversion rates of your online store with detailed charts. ORDERS Manage all your orders comprehensively: update status and payments, issue invoices, and view all available information. SHIPMENTS Manage shipments with tracking, delivery dates, automatic notifications, and specific details for each shipment. CUSTOMERS Search and view detailed customer information, such as the number of orders, total sales, addresses, and wishlists. NOTIFICATIONS Receive instant alerts about new orders, customer updates, statistical reports, shipment updates, and account information directly on your iPhone.
Screenshots
Verdict
The clearest difference is update cadence: blue·auth at daily against Shopkit's every 6 months. Shopkit's advantage is device support (3 vs 1) and iOS requirement (15.0 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.
blue·auth ships an update daily, Shopkit every 6 months. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.
| Parameter | blue·auth | Shopkit |
|---|---|---|
| Price | Free | Free |
| Update frequency | Daily — better | Every 6 months |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone | iPhone, iPod, Apple Watch — better |
| Requires iOS | 17.0 | 15.0 — better |
| Further details — not scored | ||
| Size | 40 MB | 30 MB |
| Age rating | 4+ | 17+ |
| Developer | The Danyalgil Company | Shopkit Web Services |
In-app purchases
blue·auth
No in-app purchases
Shopkit
No in-app purchases









