Comparison

Kotlin Compiler vs iSOLID

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

Head to head
About

Kotlin Compiler

Features
Read full description

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/

About

iSOLID

Features
Read full description

iSOLID โ€“ Learn, Practice, Improve Learn programming, strengthen your Swift and iOS knowledge, and understand the principles behind clean, maintainable code. Whether you're starting your programming journey, preparing for an iOS interview, or strengthening your professional skills, iSOLID helps you learn through clear explanations, practical code examples, quizzes, and progress tracking. Key Features: โ€ข Swift & iOS โ€“ Learn core Swift concepts and essential iOS development topics. โ€ข SOLID Principles โ€“ Understand each principle with clear explanations and practical examples. โ€ข Programming Principles โ€“ Explore clean code, OOP, architecture, design concepts, and more. โ€ข Interactive Quizzes โ€“ Test your knowledge and reinforce what you've learned. โ€ข Detailed Results โ€“ Review your answers, identify mistakes, and understand the correct solutions. โ€ข Progress Tracking โ€“ Follow your learning progress, completed topics, statistics, and streaks. โ€ข Self-Paced Learning โ€“ Learn whenever and wherever it works for you. โ€ข Interview Preparation โ€“ Review important Swift and iOS concepts commonly discussed in technical interviews. From programming fundamentals to Swift, SOLID, architecture, and iOS engineering, iSOLID brings your learning materials together in one place. Read. Learn. Practice. Improve. Download iSOLID and keep building your programming skills.

Screenshots

Kotlin Compiler4 screens
iSOLID4 screens

Verdict

The call

The clearest difference is update cadence: iSOLID at every 4 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 ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS

CostPrice ยท In-app purchases ยท Ads ยท Monetization

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

UpkeepUpdate frequency

Kotlin Compiler ships an update every 6 months, iSOLID every 4 days. The most recent releases landed on September 14, 2026 and September 13, 2026 respectively.

Scorecard2 real differences ยท 4 level
Kotlin Compiler versus iSOLID: the parameters behind the verdict, then further details
ParameterKotlin CompileriSOLID
PriceFreeFree
Update frequencyEvery 6 monthsEvery 4 days โ€” better
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPad, iPod โ€” betteriPhone, iPad
Requires iOS12.0 โ€” better18.0
Further details โ€” not scored
Size28 MB19 MB
Age rating4+4+
DeveloperOnePercentNikolai Borisov

In-app purchases

None

Kotlin Compiler

No in-app purchases

None

iSOLID

No in-app purchases

Questions

Is Kotlin Compiler free?
Kotlin Compiler is free to download, with no in-app purchases.
Is iSOLID free?
iSOLID is free to download, with no in-app purchases.
Do Kotlin Compiler or iSOLID have ads?
Neither Kotlin Compiler nor iSOLID shows ads.
Which is updated more often, Kotlin Compiler or iSOLID?
Kotlin Compiler ships an update every 6 months, and iSOLID every 4 days. Most recently, Kotlin Compiler was updated on September 14, 2026 and iSOLID on September 13, 2026.

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