Comparison

Blockprint vs Swoop

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

Head to head
About

Blockprint

Features
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Blockframe is a wireframe tool that draws interfaces out of plain Unicode characters. Pick a component from the palette, place it on the character grid, and build up a layout the way you would sketch one on graph paper. Everything you make is just text, so you can paste it into a README, a code comment, a design doc, a ticket, or a chat message and it renders anywhere a monospace font does. FEATURES - 23 component presets: buttons, inputs, selects, checkboxes, radios, toggles, tables, modals, browser frames, cards, navbars, tabs, progress bars, icons, images, dividers, alerts, breadcrumbs, avatars, lists, steppers, ratings, and skeletons - A 100 x 50 character canvas with click-to-place positioning - Hover preview, so you see where a component lands before committing to it - Undo and redo up to 50 steps - Export to a .txt file or copy the whole canvas to the clipboard - Works entirely offline; nothing you draw leaves your device Blockframe does not collect any data, require an account, or show ads.

About

Swoop

Features
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Write SwiftUI on your phone, watch it run, and paste it into Xcode. Swoop is a canvas for postcard-sized components. Type one, press play, and it runs for real — springs, timing and trigonometry computed on the device at the frame rate you feel. Copy hands back plain SwiftUI that compiles. Most SwiftUI apps are catalogues you browse. This is the one where you write it. WHAT IT PLAYS Swoop runs a documented subset of SwiftUI, on device. • Text, Image, Button, Toggle, Spacer, Divider • VStack, HStack, ZStack, ForEach, TimelineView • Circle, Capsule, Rectangle, RoundedRectangle • frame, padding, offset, opacity, scaleEffect, rotationEffect, zIndex • fill, stroke, trim, background, overlay, clipShape, shadow • animation, onAppear, symbolEffect, sensoryFeedback • @State, helper funcs, computed views, if/else, ranges • sin, cos, tan, sqrt, pow, min, max, .pi If Swoop cannot play something exactly the way Xcode would, it refuses and points at the line rather than guessing. What you copy always compiles. Swoop is for one component at postcard size — not for building whole screens on a phone. ScrollView, List, NavigationStack, GeometryReader and TextField are deliberately not included. A REAL EDITOR • Line numbers and syntax colour • Autocorrect, smart quotes and autocapitalisation switched off • Every file in your library previews itself, running, in the list POST IT AND RECORD IT • Publish a component to the community, free, under your username • Anyone can play it and take the source • Record three seconds of it running and share the video • Like and view counts on everything published PRIVACY • Your files are saved on your phone • Nothing is uploaded, read by us, or used to train anything • A file leaves the device only when you publish or share it • Writing, playing and copying never need an account • Sign in with Apple or Google only to publish or like • Delete your account from inside the app, any time SWOOP PRO • A profile page — your picture and a grid of your work • Clean recordings, without the Swoop mark • Sign a recording with your avatar and username • Backdrops for recordings • Post a component without handing over the source Writing, playing, copying and publishing stay free. Requires iPhone, iOS 17 or later. Swoop is an independent product and is not affiliated with or endorsed by Apple Inc. Swift, SwiftUI and Xcode are trademarks of Apple Inc. Privacy Policy https://swoopswift.com/privacy/ Terms of Service https://swoopswift.com/terms/

Screenshots

Blockprint1 screens
Swoop4 screens

Verdict

The call

The clearest difference is price: Swoop at Free against Blockprint's $0.99. On update cadence, ads, in-app purchases and device support there is nothing between them.

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

Swoop is free to download; Blockprint costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Blockprint ships an update every 2 weeks, Swoop weekly. The most recent releases landed on October 19, 2026 and October 13, 2026 respectively.

Scorecard1 real difference Ā· 5 level
Blockprint versus Swoop: the parameters behind the verdict, then further details
ParameterBlockprintSwoop
Price$0.99Free — better
Update frequencyEvery 2 weeksWeekly — better
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPadiPhone, iPad
Requires iOS17.017.0
Further details — not scored
Size0 MB39 MB
Age rating4+4+
DeveloperJoshua TrommelValet Hero LLC

In-app purchases

None

Blockprint

No in-app purchases

None

Swoop

No in-app purchases

Questions

Is Blockprint free?
Blockprint costs $0.99, with no in-app purchases.
Is Swoop free?
Swoop is free to download, with no in-app purchases.
Do Blockprint or Swoop have ads?
Neither Blockprint nor Swoop shows ads.
Which is updated more often, Blockprint or Swoop?
Blockprint ships an update every 2 weeks, and Swoop weekly. Most recently, Blockprint was updated on October 19, 2026 and Swoop on October 13, 2026.

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