VDex vs OSCAL Pocket Guide
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
VDex
Access and search a comprehensive database of cybersecurity vulnerabilities. Stay updated with the latest CVEs, synced hourly from NIST. A subscription is required for full access, with a free trial available.
- CVE database access
- Hourly NIST sync
- Search CVE by ID
- Monthly subscription
- Annual subscription with trial
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VDex is a vulnerability reference tool with data sourced from the NIST National Vulnerability Database. With VDex you can quickly and easily see the latest CVEs and lookup any CVE by ID. While NIST updates their feeds approximately every 2 hours, VDex syncs with NIST every hour to ensure data is up to date. Note: a subscription is required to fetch CVEs via VDex. You can purchase a monthly or annual subscription in the app. A free 1 week trial is included with the annual subscription.
OSCAL Pocket Guide
This app provides offline access to NIST cybersecurity and privacy frameworks, including controls, enhancements, and assessment tools. It supports compliance officers and security professionals with structured data and workflow features for managing security plans and system categorization.
- Offline access to NIST frameworks
- Search and filter controls
- Parameter substitution for control prose
- Favorites and personal notes
- SSP Generator with OSCAL export
- System categorization workflow
- Cross-framework mappings
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OSCAL Pocket Guide is a comprehensive offline toolkit for cybersecurity professionals who need fast, structured access to NIST security and privacy frameworks—without the PDFs, spreadsheets, or fragmented portals. Built for compliance officers, security engineers, system owners, assessors, and auditors, this app brings the complete NIST ecosystem into a single mobile-friendly experience—with real workflow support, not just passive reading. Frameworks Included: • SP 800-53 Rev 5 — Browse 1,000+ controls and enhancements by family, baseline (LOW, MODERATE, HIGH, PRIVACY), and control ID • NIST CSF 2.0 — All 6 functions (Govern, Identify, Protect, Detect, Respond, Recover) with subcategories and 800-53 mappings • SP 800-171 Rev 3 — CUI protection requirements with families, assessment objectives, and implementation guidance • SSDF SP 800-218 — Secure Software Development Framework with practice groups, tasks, and reference materials • SP 800-60 — 171 information types with sensitivity categorization to support system categorization workflows • AI RMF Playbook — Full 4-function AI Risk Management Framework with subcategory guidance, actors, and references Key Features: • Complete offline access—no internet required • Search and filter across any framework • Parameter substitution for readable, org-specific control prose • Favorites and personal notes on any control • Recent items tracking across frameworks • Customizable module visibility • OSCAL-native data structure throughout Assessment & Workflow Tools: • 800-53A Assessment System — 1,193 controls with structured assessment objectives (Examine, Interview, Test), potential evidence suggestions, met/not-met tracking, and LLM-enhanced guidance derived from SP 800-53A Rev 5.1.1 • SP 800-171 Assessment Objectives — CUI requirement assessment procedures with implementation guidance, mapped to Rev 3 controls • SSP Generator — Create and manage information systems, track control implementation status, set org-defined parameter values, and export OSCAL-aligned System Security Plans via a guided 10-step wizard or classic dashboard • System Categorization Workflow — Use SP 800-60 information type sensitivity data to support FIPS 199 categorization decisions directly in the app • Cross-Framework Mappings — CSF 2.0 subcategories mapped to SP 800-53 controls; view related controls across frameworks from a single screen • Parameter Substitution — Replace organization-defined values throughout control prose for readable, implementation-ready statements Pro Features: Upgrade for access to: • Advanced filtering dashboard • Custom baseline creation • SSP Generator and OSCAL export • Self-Assessment Module with objective tracking and evidence notes • Database encryption for secure local storage • All future premium capabilities Pro is available as a one-time purchase. Existing Pro users retain lifetime access to their current feature set. Whether you're running a controls assessment, writing an SSP, categorizing a system, or mapping to the CSF—OSCAL Pocket Guide gives you the structured tools to work faster and smarter, right from your iPhone or iPad. Formerly NIST Pocket Guide.
Screenshots
Verdict
The clearest difference is monetization model: OSCAL Pocket Guide at free with in-app purchases against VDex's subscription. On price, rating, ratings volume and update cadence 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. VDex sells 2 in-app purchases, starting at $4.99 per month and OSCAL Pocket Guide sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
On the App Store both sit at effectively the same score — 5.0 for VDex against 5.0 for OSCAL Pocket Guide. Both are backed by a comparable volume of ratings — 2 and 4 respectively.
VDex ships an update every 4 months, OSCAL Pocket Guide every 3 months. The most recent releases landed on October 11, 2026 and October 22, 2026 respectively.
| Parameter | VDex | OSCAL Pocket Guide |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) | 5.0 (4 ratings) |
| Number of ratings | 2 | 4 — better |
| Update frequency | Every 4 months | Every 3 months — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Subscription | Free with in-app purchases — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 39 MB | 77 MB |
| Age rating | 4+ | 4+ |
| Developer | Steven Nguyen | euCann, LLC |
Customer experience
VDex
OSCAL Pocket Guide
In-app purchases
VDex
- CVE Access$4.991 Month
- CVE Access7 Days trial$49.991 Year
OSCAL Pocket Guide
- NIST Pocket Guide Pro$9.99


