Comparison

KeyVault Studio vs OpenASO

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

KeyVault Studio

Features
Read full description

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 ▸ Create, view, update and delete, every value behind Face ID / Touch ID ▸ Full version history with side-by-side comparison ▸ Content types for JSON, XML, connection strings and API keys ▸ The app warns before anything expires, with thresholds you choose ▸ Copied values clear themselves from the clipboard KEYS ▸ Create RSA, EC and HSM-backed keys ▸ Crypto Playground: encrypt, decrypt, sign, verify, wrap, unwrap ▸ Rotation policies and one-tap rotation ▸ Import from JSON Web Key CERTIFICATES ▸ Issue self-signed and CA-signed certificates ▸ Import PFX/P12 and PEM, export the public certificate or the private key ▸ Manage policies, issuers, contacts and pending operations NETWORKING ▸ Configure the vault firewall, VNet rules and private endpoints ▸ Manage private DNS zones, record sets and VNet links ▸ Approve or reject private endpoint connections VAULTS ▸ Find vaults across all your Subscriptions in seconds ▸ Create a new vault with a guided wizard ▸ Backup and restore, AES-GCM encrypted if you want ▸ Recover or purge soft-deleted vaults and items AI ASSISTANT ▸ Ask questions about your own infrastructure: what expires soon, what is disabled ▸ Runs fully on device if you want: Apple Intelligence or Gemma, no cloud required ▸ Or bring your own key: Claude, OpenAI, Gemini, plus Ollama on your own network ▸ Naming suggestions per Cloud Adoption Framework, subnet and address space planning ▸ The assistant sees names and metadata, never secret values ▸ A visible token budget keeps API costs under control BUILT FOR APPLE PLATFORMS ▸ Mac, iPhone and iPad with the same feature set, tuned per size class ▸ Lightning-fast search across every vault and item, right on the device ▸ Several accounts side by side: Azure Commercial, US Government and China clouds ▸ 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.

About

OpenASO

Features
Read full description

Understand how apps rank across the App Store — and keep your research on your device. OpenASO is a local-first workspace for App Store Optimization research. Track keyword positions, review ranking history, compare storefronts, and organize your discovery work without creating an account. Built for independent developers and app makers, OpenASO helps you turn public App Store data into a focused research workflow. KEYWORD RANKINGS AT A GLANCE • Track keyword positions by storefront and device • Compare current and previous rankings • Review best, worst, and historical positions • Quickly see which keywords improved, declined, or stayed unchanged • Follow ranking changes over time with clear charts and snapshots RESEARCH ACROSS STOREFRONTS • Track the same keyword across multiple App Store countries • Compare how an app appears in different markets • Research iPhone and iPad search results • Organize keywords for localization and regional discovery work ADD AND RESEARCH ANY PUBLIC APP • Search by app name, App Store ID, URL, or bundle identifier • Review public app information, ratings, and customer reviews • Track your own apps or research competitors • Keep multiple app workspaces organized in one place BUILT FOR PRACTICAL ASO WORK • Add keywords individually or import them from CSV • Export keyword data for further analysis • Save notes alongside apps and keywords • Refresh tracked research in the background • Review historical snapshots whenever you need them LOCAL-FIRST BY DESIGN • No account or sign-up required • Your tracked apps, keywords, notes, and snapshots stay on your device • Your research is stored in a local database • Export your data whenever you need a backup or external workflow FOCUSED AND TRANSPARENT • Built around publicly available App Store information • No impression, download, or revenue estimates • No invented popularity scores presented as official Apple data • Designed as a research companion, not an App Store Connect replacement OpenASO is an independent research tool and is not affiliated with or endorsed by Apple. Research keywords. Follow the movement. Find your next opportunity.

Screenshots

KeyVault Studio4 screens
OpenASO4 screens

Verdict

The call

The clearest difference is device support: KeyVault Studio at 3 against OpenASO's 1. OpenASO's advantage is iOS requirement (16.4 vs 26.0). 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Scorecard2 real differences · 4 level
KeyVault Studio versus OpenASO: the parameters behind the verdict, then further details
ParameterKeyVault StudioOpenASO
PriceFreeFree
Update frequencyDaily—
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPad, Mac — betteriPhone
Requires iOS26.016.4 — better
Further details — not scored
Size35 MB49 MB
Age rating4+4+
DeveloperStephan BailQue Anh Bui Nguyen

In-app purchases

None

KeyVault Studio

No in-app purchases

None

OpenASO

No in-app purchases

Questions

Is KeyVault Studio free?
KeyVault Studio is free to download, with no in-app purchases.
Is OpenASO free?
OpenASO is free to download, with no in-app purchases.
Do KeyVault Studio or OpenASO have ads?
Neither KeyVault Studio nor OpenASO shows ads.

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