Kotlin Compiler vs StartToSwiftUI
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Kotlin Compiler
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Kotlin Compiler is an Advanced IDE enabling you to compile Kotlin Programs on your Mobile Phone for Free. It comes with a code editor with in-built syntax highlighting capabilities. Kotlin Compiler is - Free with no hidden charges! - Ad-Free! - Available for all platforms! Features : 1. Compile & Run - Compile & Run Kotlin Programs 2. Code Editing & Syntax Highlighting - Enables you to edit code and automatically detects and highlights syntax 3. Exercise Questions - Exercise questions to help you improve your knowledge 4. Programs with Code - All the general DSA programs with code 5. Fun Facts - Some fun facts about programming and computer science This app is brought to you by the company OnePercent, based in Bangalore, India. Website: www.OnePercent.club LinkedIn: www.Linkedin.Com/Company/Onepercent-Club/
StartToSwiftUI
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StartToSwiftUI is your personal learning system for mastering SwiftUI at your own pace. CREATE YOUR OWN CONTENT - Create and manage your personal study library of SwiftUI materials matching your learning style. - Categorise resources by topics, difficulty levels of study, etc. - Add personal notes to materials, save drafts, and organise everything exactly how you want. CODE SNIPPETS - Curated code snippets demonstrating advanced SwiftUI techniques — learn by example, copy and apply. LEARNING MANAGEMENT - Classify by type: Lesson, Course, Article, Bug, Other. - Track progress: 'Added' → 'Started' → 'Learnt' → 'Practiced'. - Rate materials: Good / Great / Excellent. - Organise by difficulty level: Beginner / Intermediate / Advanced. - Mark favourites for quick access. ANALYTICS & PROGRESS - Visual study progress dashboard. - Review statistics by difficulty level. - Learning history with timestamps. - Retrospective analysis across different time periods. - Selective filtering for study progress review. ALWAYS IN SYNC - Full iCloud sync between iPhone and iPad. - Pick up right where you left off, on any device. WIDGET SUPPORT - Home Screen widgets: Small, Medium, and Large. - Lock Screen widgets: Circular, Rectangular, and Inline. - Real-time sync with main app. YOUR DATA, YOUR CONTROL - Move materials to Deleted, then erase them permanently or restore back to Active anytime. - Share, backup, restore and delete materials as needed.
Screenshots
Verdict
The clearest difference is update cadence: StartToSwiftUI at every 5 days against Kotlin Compiler's every 6 months. Kotlin Compiler's advantage is iOS requirement (12.0 vs 18.0). On price, ads, in-app purchases and device support 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Kotlin Compiler ships an update every 6 months, StartToSwiftUI every 5 days. The most recent releases landed on September 14, 2026 and September 21, 2026 respectively.
| Parameter | Kotlin Compiler | StartToSwiftUI |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 6 months | Every 5 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 12.0 — better | 18.0 |
| Further details — not scored | ||
| Size | 28 MB | 18 MB |
| Age rating | 4+ | 4+ |
| Developer | OnePercent | Andrey Efimov |
In-app purchases
Kotlin Compiler
No in-app purchases
StartToSwiftUI
No in-app purchases
Questions
Is Kotlin Compiler free?
Is StartToSwiftUI free?
Do Kotlin Compiler or StartToSwiftUI have ads?
Which is updated more often, Kotlin Compiler or StartToSwiftUI?
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