Comparison

VisuStruct vs KoKo

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

Head to head
About

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.

Highlights
  • 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
Features
Read full description

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 — 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 — 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.

About

KoKo

Read full description

KoKo is a mobile SSH terminal for developers who need to manage AI coding agents on their own Linux servers from iPhone. Supported agents (on your server) • Cursor — agent persist attach / resume • Claude Code — GNU screen sessions • Codex CLI — GNU screen sessions • Gemini CLI — GNU screen sessions Features • Real SSH PTY terminal (colors, cursor, menus, y/n prompts) • Persistent remote sessions (Cursor agent persist; Claude/Codex/Gemini via named GNU screen) • Optional one-tap agent CLI install on the server (with consent) • Generate Ed25519 / ECDSA / RSA keys in-app; private keys stay in Keychain • Host key TOFU confirmation • Shortcut bar: Esc, Tab, Ctrl+J, arrows, Shift+Tab • Local scrollback per session • Agent login assistance (browser OAuth / device codes where applicable) Requirements: your own SSH-accessible Linux server. Agent CLIs run on the server. KoKo does not host user accounts or provide a cloud relay.

Screenshots

VisuStruct4 screens
KoKo4 screens

Verdict

The call

VisuStruct and KoKo are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — 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

CostPrice Ā· In-app purchases Ā· Ads Ā· Monetization

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

ScorecardNo meaningful differences
VisuStruct versus KoKo: the parameters behind the verdict, then further details
ParameterVisuStructKoKo
PriceFreeFree
Positive reviews100.0% of reviews—
Update frequencyEvery 4 days—
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad — betteriPhone
Requires iOS17.017.0
Further details — not scored
Size3 MB11 MB
Age rating4+9+
DeveloperHolger Sebastiao结 刘

In-app purchases

None

VisuStruct

No in-app purchases

None

KoKo

No in-app purchases

Questions

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

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