AppVector vs Vellum
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
AppVector
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AppVector is an App Store Optimization platform built for app marketers, founders, and growth teams who want to improve app visibility, track keyword performance, and understand competitors in one place. Use AppVector to monitor your app store performance, research high-value keywords, track keyword rankings, compare competitor apps, and discover growth opportunities across app stores. Key features: • ASO Keyword Research: Find relevant keywords for your app and discover terms that can improve visibility and organic downloads. • Keyword Rank Tracking: Track app keyword rankings and monitor how your visibility changes over time. • Competitor App Analysis: Compare competitor apps, review their positioning, and understand where your app can improve. • App Profile Insights: Explore app store profiles, metadata, ratings, screenshots, and store listing details. • Keyword Opportunity Discovery: Identify keyword gaps and optimization opportunities for better app discoverability. • Performance Monitoring: Monitor your app performance and store presence from a single mobile workspace. AppVector provides the core data you need to make informed marketing decisions. Whether you are launching a new app, optimizing an existing listing, or monitoring competitors, AppVector gives you the tools to research, track, and optimize your app growth. Start using AppVector to improve app visibility, discover keyword opportunities, and make smarter ASO decisions.
Vellum
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Vellum Journal is a calm, focused space for capturing thoughts, notes, and everyday moments. Write without distraction and organize your entries into topics. Use tags, notes, and Markdown to give your ideas structure while keeping everything easy to find. CORE FEATURES • Create entries and organize them into topics • Add tags and notes • Write with Markdown • Search your library • Export your content • Keep your library on your device by default VELLUM PRO Vellum Pro is available as a one-time in-app purchase and adds: • Cross-device library sync through your private iCloud database • Notion workspace integration and export A separate Vellum account is not required. Sync starts only after you enable it on a device signed in to iCloud. Content is sent to Notion only when you choose to export it to your connected workspace.
Screenshots
Verdict
The clearest difference is in-app purchases: AppVector at none against Vellum's 1. AppVector also leads on iOS requirement (15.1 vs 18.6). On price, ads and device support 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. Vellum sells 1 one-off in-app purchase. AppVector asks for nothing beyond the download.
| Parameter | AppVector | Vellum |
|---|---|---|
| Price | Free | Free |
| Update frequency | — | Weekly |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.1 — better | 18.6 |
| Further details — not scored | ||
| Size | 41 MB | 44 MB |
| Age rating | 4+ | 4+ |
| Developer | MULTIVARIATE AI PRIVATE LIMITED | 四扬 叶 |
In-app purchases
AppVector
No in-app purchases
Vellum
- Vellum pro lifetime$2.99









