VisuStruct vs OpenASO
Price, ratings, monetisation and update history for both apps, side by side ā with what reviewers say about each.
VisuStruct
Visually create algorithms using drag-and-drop structured diagrams. Watch your logic execute step-by-step with an integrated simulator, then automatically generate code. This tool focuses on programming logic before syntax, ideal for learning.
- Visual algorithm creation with drag-and-drop
- Nassi-Shneiderman diagram support
- Automatic code generation
- Step-by-step algorithm simulation
- Focus on logic before syntax
- Clean, distraction-free interface
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Think in Structures. Understand Algorithms. Write Better Code. VisuStruct makes programming logic visible. Design algorithms visually using Nassi-Shneiderman diagrams, run them step by step with the built-in simulator, and turn your structures into real code ā without getting lost in syntax. Whether you are learning programming, teaching computer science, or explaining algorithms, VisuStruct helps you focus on what really matters: understanding how a program works. Visualize. Simulate. Understand. Program. Why VisuStruct? ⢠Build algorithms visually with an intuitive editor ⢠Create Nassi-Shneiderman diagrams quickly and clearly ⢠Execute algorithms step by step ā like a visual debugger ⢠See exactly how your algorithm flows ⢠Generate code automatically ⢠Learn programming logic before worrying about syntax ⢠Perfect for students, teachers, and programming beginners From your first algorithm to more complex control structures, VisuStruct bridges the gap between **thinking about a solution and writing code**. Stop guessing what your program does. See it.
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.
Screenshots
Verdict
VisuStruct and OpenASO 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 | VisuStruct | OpenASO |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 33.3% of reviews | ā |
| Update frequency | Every 4 days | ā |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | ā |
| Devices | iPhone, iPad ā better | iPhone |
| Requires iOS | 17.0 | 16.4 ā better |
| Further details ā not scored | ||
| Size | 3 MB | 49 MB |
| Age rating | 4+ | 4+ |
| Developer | Holger Sebastiao | Que Anh Bui Nguyen |
In-app purchases
VisuStruct
No in-app purchases
OpenASO
No in-app purchases









