KeyVault Studio vs EmitSignal
Price, ratings, monetisation and update history for both apps, side by side ā with what reviewers say about each.
KeyVault Studio
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Azure Key Vault, without the portal: KeyVault Studio is the native client for Mac, iPhone and iPad. Your secrets, keys and certificates are well protected in Azure. Managing them just takes too many clicks in the portal. KeyVault Studio turns that into a real Apple app: fast, focused and secured with Face ID / Touch ID. Want to look around first? Demo mode opens the complete app with sample data, no Azure account needed. SECRETS āø Create, view, update and delete, every value behind Face ID / Touch ID āø Full version history with side-by-side comparison āø Content types for JSON, XML, connection strings and API keys āø The app warns before anything expires, with thresholds you choose āø Copied values clear themselves from the clipboard KEYS āø Create RSA, EC and HSM-backed keys āø Crypto Playground: encrypt, decrypt, sign, verify, wrap, unwrap āø Rotation policies and one-tap rotation āø Import from JSON Web Key CERTIFICATES āø Issue self-signed and CA-signed certificates āø Import PFX/P12 and PEM, export the public certificate or the private key āø Manage policies, issuers, contacts and pending operations NETWORKING āø Configure the vault firewall, VNet rules and private endpoints āø Manage private DNS zones, record sets and VNet links āø Approve or reject private endpoint connections VAULTS āø Find vaults across all your Subscriptions in seconds āø Create a new vault with a guided wizard āø Backup and restore, AES-GCM encrypted if you want āø Recover or purge soft-deleted vaults and items AI ASSISTANT āø Ask questions about your own infrastructure: what expires soon, what is disabled āø Runs fully on device if you want: Apple Intelligence or Gemma, no cloud required āø Or bring your own key: Claude, OpenAI, Gemini, plus Ollama on your own network āø Naming suggestions per Cloud Adoption Framework, subnet and address space planning āø The assistant sees names and metadata, never secret values āø A visible token budget keeps API costs under control BUILT FOR APPLE PLATFORMS āø Mac, iPhone and iPad with the same feature set, tuned per size class āø Lightning-fast search across every vault and item, right on the device āø Several accounts side by side: Azure Commercial, US Government and China clouds āø No middleman servers: the app talks directly to Azure with your Microsoft Entra ID sign-in Bring your own app registration or use the built-in one. Your secrets never leave your device except to Azure.
EmitSignal
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EmitSignal turns anything that can make an HTTP request into a push notification on your phone. No SDK, no client library. If it can run curl, it can send a signal. Built for developers, EmitSignal lets you pipe deploys, CI results, cron jobs, server alerts, and webhooks straight from your shell to your phone. Send it once and watch it show up in real time. HOW IT WORKS Publishers send a message to a named topic. Subscribers just subscribe to that topic ā no registration or setup on the publisher side. Messages arrive instantly as push notifications and in the live feed. curl -X POST https://api.emitsignal.com/publish/alerts -H "X-Title: Deploy finished" -H "X-Priority: high" -d "v2.4.0 shipped to production" WHAT YOU GET IN THE APP ⢠Live feed ā messages show up in real time over a persistent connection ⢠Push notifications ā every signal can land right on your lock screen ⢠Topics ā subscribe to any topic and organize them by project, service, or environment ⢠Priorities ā five levels, from quiet to critical, so important alerts stand out ⢠Tags & actions ā add context and interactive actions to your messages ⢠Publish from your phone ā send a signal to any topic in a couple of taps ⢠Message history ā go back and find anything you've received ⢠Attachments ā send files along with your messages ⢠Light & dark themes ā follow your system or choose one yourself INTEGRATIONS Connect the tools you already use through webhooks. EmitSignal includes ready-to-use templates for GitHub, Grafana, Stripe, and Vercel, plus a custom format for anything else. SCHEDULING Don't need to send something right away? Schedule it for later with a relative delay like 30m, 2h, or 1d, or pick an exact time. Handy for reminders, maintenance windows, and anything that needs to happen later. SIGN IN YOUR WAY Use a magic link, Apple or GitHub. Pick whatever works best for you. OPEN & SELF-HOSTABLE EmitSignal is self-hostable. Use the hosted service, or run your own instance and keep your data under your control. Stop tailing logs and refreshing dashboards just to see if something happened. Send a signal. Know when it matters.
Screenshots
Verdict
The clearest difference is update cadence: KeyVault Studio at daily against EmitSignal's every 2 weeks. EmitSignal's advantage is iOS requirement (16.4 vs 26.0). On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price Ā· Rating Ā· Positive reviews Ā· Number of ratings Ā· Update frequency Ā· Ads Ā· In-app purchases Ā· Monetization Ā· Best chart rank Ā· Devices Ā· Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
KeyVault Studio ships an update daily, EmitSignal every 2 weeks. The most recent releases landed on October 10, 2026 and October 9, 2026 respectively.
| Parameter | KeyVault Studio | EmitSignal |
|---|---|---|
| Price | Free | Free |
| Update frequency | Daily ā better | Every 2 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, Mac ā better | iPhone, iPad |
| Requires iOS | 26.0 | 16.4 ā better |
| Further details ā not scored | ||
| Size | 35 MB | 53 MB |
| Age rating | 4+ | 4+ |
| Developer | Stephan Bail | Keven Leone |
In-app purchases
KeyVault Studio
No in-app purchases
EmitSignal
No in-app purchases









