UI Tracer vs DubDub!
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
UI Tracer
This app allows developers to preview various SwiftUI view styles without recompiling code. It offers comparisons across multiple Apple platforms, including iOS, iPadOS, watchOS, tvOS, and macOS, streamlining the design process.
- Preview SwiftUI view styles
- Compare across iOS, iPadOS, watchOS, tvOS, macOS
- No recompilation needed
- Cross-platform code compatibility
- Extensible view library
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When you are developing your app using SwiftUI, it is really time consuming to compare all possible styles of buttons, list etc to choose one fits best. This app help you check all possible options for SwiftUI's views without recompiling. Compare how they look like on iOS, iPadOS, watchOS, tvOS and MacOS. Same code for all platforms where possible. The list of views will be extended.
DubDub!
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DubDub! is the WWDC reference for Apple developers. Explore WWDC like a living encyclopedia: • Year-by-year timeline of WWDC events • Sessions organized by topic, platform, and level • Major announcements, linked to frameworks and APIs • Framework pages with evolution history and key sessions • Personal library: favorites, notes, and watchlists • Powerful search to find the right session or feature fast Whether you’re learning a new framework, researching when a feature shipped, or building a roadmap for your team, DubDub! helps you understand WWDC with clarity and context. Notes: DubDub! is an independent app and is not affiliated with Apple. WWDC is a trademark of Apple Inc.
Screenshots
Verdict
The clearest difference is price: DubDub! at Free against UI Tracer's $2.99. DubDub! also leads on in-app purchases (none vs 2). UI Tracer's advantage is update cadence (every 2 days vs every 5 days) and device support (6 vs 2). On ads and iOS requirement 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
DubDub! is free to download; UI Tracer costs $2.99 up front. UI Tracer sells 2 one-off in-app purchases. DubDub! asks for nothing beyond the download.
UI Tracer ships an update every 2 days, DubDub! every 5 days. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.
| Parameter | UI Tracer | DubDub! |
|---|---|---|
| Price | $2.99 | Free — better |
| Rating | 5.0 (4 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 4 — better | — |
| Update frequency | Every 2 days — better | Every 5 days |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Paid | — |
| Devices | iPhone, iPad, Mac, Apple TV, Apple Watch, Vision Pro — better | iPhone, iPad |
| Requires iOS | 26.0 — better | 26.2 |
| Further details — not scored | ||
| Size | 20 MB | 60 MB |
| Age rating | 4+ | 4+ |
| Developer | Leonid Liadveikin | Baptiste DAJON |
In-app purchases
UI Tracer
- Tip$0.99
- Donation$4.99
DubDub!
No in-app purchases
