OpenASO vs Canvas UI Kit
Price, ratings, monetisation and update history for both apps, side by side ā with what reviewers say about each.
OpenASO
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Understand how apps rank across the App Store ā 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.
Canvas UI Kit
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Canvas is a universal React Native UI kit, and this is its reference app: the same component library running natively on your device rather than described in a web page. Browse the full catalog of components, from buttons and inputs through data tables, calendars, and charts. Every entry pairs a live, interactive example with its complete prop reference, so you can tap, type, drag, and toggle each control to see exactly how it behaves before you write any code. WHAT IS INSIDE - Live examples for every component, running as real native views - Full prop tables, generated from the library's own TypeScript source - Design tokens for color, typography, spacing, and layout - Templates and patterns showing how components compose into real screens - Instant search across the entire catalog - Light and dark themes, plus a glass surface mode BUILT THE WAY iOS EXPECTS Canvas components follow iOS design conventions, driven by a single component API. This app is the clearest way to see that: it is built entirely from the library it documents. Canvas is free and open source under the MIT license. No account, no sign-in, no ads, and no tracking of any kind.
Screenshots
Verdict
OpenASO and Canvas UI Kit are too close to call on the numbers: across 5 compared parameters ā price, ads, in-app purchases and device support among them ā neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
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.
| Parameter | OpenASO | Canvas UI Kit |
|---|---|---|
| Price | Free | Free |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone | iPhone, iPad ā better |
| Requires iOS | 16.4 | 16.4 |
| Further details ā not scored | ||
| Size | 49 MB | 48 MB |
| Age rating | 4+ | 4+ |
| Developer | Que Anh Bui Nguyen | Robert Nannier |
In-app purchases
OpenASO
No in-app purchases
Canvas UI Kit
No in-app purchases









