Comparison

UpSkill vs iSOLID

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

Head to head
About

UpSkill

Learn programming from basic to advanced concepts with detailed tutorials, interview preparation, and interactive quizzes. Explore a wide range of programming and markup languages with demo programs and fun facts.

Highlights
  • Detailed programming tutorials
  • Programming interview questions and answers
  • Interactive quizzes with difficulty levels
  • Demo programs with examples
  • Syntax reference for all programs
  • Facts about programming and technology
  • Support for numerous programming languages
Features
Read full description

Whether you want to learn Programming as a Hobby, for School/College, or want to build a Career in the field of Software Engineering, this Tutorial suits your needs. UpSkill Tutorial covers everything from the Basics of Programming to Advanced Concepts like Data Structures. It also comes with a sleek and interactive graphical user interface. Features: 1. Detailed Tutorial - A to Z of Programming has been explained in detail. 2. Interview Questions - Questions asked in Programming Interviews are given with answers. 3. Quiz - A quiz with different difficulty levels to test your understanding. 4. Demo Programs - Demo Programs with examples to help you visualize what you've learned. 5. Syntax - Syntax of all the programs is presented in an ordered manner. 6. Facts - Fun facts about programming and technology Programming languages: - Ada - C - C++ - C# - Dart - Go - Java - Javascript - Kotlin - Lua - MATLAB - Objective-C - Perl - PHP - Python - R - Ruby. - Rust - Scala - Swift - Typescript - Visual Basic Markup languages:  - HTML - CSS - XML. 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

Master programming fundamentals, Swift, and iOS development with clear explanations, code examples, and interactive quizzes. Track your progress and prepare for interviews with this comprehensive learning tool.

Highlights
  • Swift & iOS development
  • SOLID principles explained
  • Programming concepts
  • Interactive quizzes
  • Progress tracking
  • Interview preparation
Features
Read full description

iSOLID Read • Learn • Practice 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: • Swift & iOS – Learn core Swift concepts and essential iOS development topics. • SOLID Principles – Understand each principle with clear explanations and practical examples. • Programming Principles – Explore clean code, OOP, architecture, design concepts, and more. • Interactive Quizzes – Test your knowledge and reinforce what you've learned. • Detailed Results – Review your answers, identify mistakes, and understand the correct solutions. • Progress Tracking – Follow your learning progress, completed topics, statistics, and streaks. • Self-Paced Learning – Learn whenever and wherever it works for you. • Interview Preparation – 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. Download iSOLID and keep building your programming skills.

Screenshots

UpSkill4 screens
iSOLID4 screens

Verdict

The call

The clearest difference is rating: iSOLID at 5.0 against UpSkill's 4.5. iSOLID also leads on update cadence (daily vs every 4 months). UpSkill's advantage is iOS requirement (12.0 vs 18.0). On price, review sentiment, ratings volume and ads 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

CostPrice · In-app purchases · Ads · Monetization

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

ReceptionRating · Positive reviews · Number of ratings

iSOLID holds the better App Store score, 5.0 against 4.5. Both are backed by a comparable volume of ratings — 2 and 1 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

UpkeepUpdate frequency

UpSkill ships an update every 4 months, iSOLID daily. The most recent releases landed on October 2, 2026 and October 17, 2026 respectively.

Scorecard3 real differences · 7 level
UpSkill versus iSOLID: the parameters behind the verdict, then further details
ParameterUpSkilliSOLID
PriceFreeFree
Rating4.5 (2 ratings)5.0 (1 ratings) — better
Positive reviews100.0% of reviews100.0% of reviews
Number of ratings2 — better1
Update frequencyEvery 4 monthsDaily — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS12.0 — better18.0
Further details — not scored
Size33 MB22 MB
Age rating4+4+
DeveloperOnePercentNikolai Borisov

Customer experience

UpSkill

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

iSOLID

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

UpSkill

No in-app purchases

None

iSOLID

No in-app purchases

Questions

Is UpSkill free?
UpSkill is free to download, with no in-app purchases.
Is iSOLID free?
iSOLID is free to download, with no in-app purchases.
Which has better reviews, UpSkill or iSOLID?
iSOLID is rated higher. UpSkill averages 4.5 out of 5 from 2 ratings, while iSOLID averages 5.0 from 1 ratings.
Do UpSkill or iSOLID have ads?
Neither UpSkill nor iSOLID shows ads.
Which is updated more often, UpSkill or iSOLID?
UpSkill ships an update every 4 months, and iSOLID daily. Most recently, UpSkill was updated on October 2, 2026 and iSOLID on October 17, 2026.

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