Comparison

Learn Python in 21 Days vs Code Drills

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

Head to head
About

Learn Python in 21 Days

Master Python programming with interactive lessons covering variables, data types, loops, functions, and more. Practice coding directly within the app and explore advanced topics like error handling and object-oriented programming.

Highlights
  • Variables, indentation, and comments
  • Data types: int, float, str, bool, list, tuple, set, dict
  • Control flow: conditions and loops
  • Functions and modules
  • Error handling and class basics
  • In-app coding practice
Features
Read full description

Note: Screenshots may not reflect the final version of the app. Get Excited! Here is what you learn (subject to modification): - Introduction: Learn variables, indentation, and comments. - Data Types: Explore int, float, str, bool, list, tuple, set, dict. - Numbers: Work with integers, floats, and arithmetic operations. - Conditions: if, else, elif, boolean values, comparison, and logical operators. - Strings: String manipulation, concatenation, indexing, and slicing. - Lists and Tuples: Learn list operations, immutability in tuples, and common methods. - Loops: Use for loops, while loops, and the range() function. - Sets: Understand set properties and perform union, intersection, and difference. - Dictionaries: Work with key-value pairs and common dictionary methods. - Functions: Define functions, use arguments, return values, and lambda functions. - Modules: Import libraries like math and random. - Error Handling: Handle exceptions using try, except, and finally. - Class Basics: Learn basic object-oriented programming, classes, and objects.

About

Code Drills

Turn idle moments into productive coding practice with short, daily drills and bite-sized lessons. Sharpen your logic, syntax, and problem-solving skills across multiple languages, from beginner basics to advanced challenges. Ideal for learning, refreshing skills, or staying sharp in the age of AI.

Highlights
  • Short coding drills
  • Bite-sized lessons
  • Multiple programming languages
  • Beginner to advanced levels
  • Daily practice focus
  • Logic and syntax training
Features
Read full description

Doom‑scrolling never taught anyone how to code. Coding Drills helps you turn spare moments into real coding practice. Instead of endless social media scrolling, sharpen your programming skills with short coding drills and bite-sized lessons designed for daily progress. Whether you’re learning to code, refreshing fundamentals, or staying sharp in the age of AI-assisted coding, Coding Drills keeps your brain in the loop. Why Coding Drills? ------------------- Social media steals focus. Coding Drills gives it back. AI writes code fast… but you still need to understand it! What you’ll learn: ------------------- Practice coding concepts across multiple languages and difficulty levels: * Python * SQL * JavaScript * Rust From beginner basics to advanced challenges, you’ll train logic, syntax, problem-solving, and real developer thinking. How it works ------------------- Short coding drills you can complete in minutes Bite-sized lessons with clear, practical explanations Built for daily practice—even with a busy schedule Submit new challenges and lessons: https://github.com/FedericoRaimondi/codedrills Ideal for coding interviews, skill refreshers, and long-term mastery Perfect for a coffee break, a commute, or those moments you reflexively unlock your phone and think, “Why am I here?” Who is Coding Drills for? ------------------- Beginners learning programming step by step Developers who want consistent coding practice Engineers staying sharp in an AI-first world Anyone who wants their screen time to feel… productive The Coding Drills promise: ------------------- No endless tutorials. No long videos. Just focused coding exercises that fit into real life and actually stick. So next time you reach for your phone out of boredom, open Coding Drills instead. Your future self (and your GitHub commits) will thank you.

Screenshots

Learn Python in 21 Days4 screens
Code Drills4 screens

Verdict

The call

The clearest difference is review sentiment: Code Drills at 100% against Learn Python in 21 Days's 0%. Code Drills also leads on rating (5.0 vs 4.5) and in-app purchases (none vs 2). Learn Python in 21 Days's advantage is ads (none vs shown) and ratings volume (17 vs 1). On price, device support 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Learn Python in 21 Days sells 2 in-app purchases, starting at $9.99 per month. Code Drills asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Code Drills holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: Learn Python in 21 Days has 17 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 0% of Learn Python in 21 Days's written reviews are positive against 100% of Code Drills's.

UpkeepUpdate frequency

Learn Python in 21 Days ships an update every 2 months, Code Drills every 4 days. The most recent releases landed on September 20, 2026 and October 7, 2026 respectively.

Scorecard7 real differences · 3 level
Learn Python in 21 Days versus Code Drills: the parameters behind the verdict, then further details
ParameterLearn Python in 21 DaysCode Drills
PriceFreeFree
Rating4.5 (17 ratings)5.0 (1 ratings) — better
Positive reviews0.0% of reviews100.0% of reviews — better
Number of ratings17 — better1
Update frequencyEvery 2 monthsEvery 4 days — better
AdsNo — betterYes
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15 — better15.1
Further details — not scored
Size191 MB65 MB
Age rating4+4+
DeveloperAdam AtamniaFederico Raimondi Cominesi

Customer experience

Learn Python in 21 Days

All ratings17 ratings
Positive88.2%
Neutral0.0%
Negative11.8%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

Code Drills

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

In-app purchases

2 purchases

Learn Python in 21 Days

Subscriptions1
  • Monthly Full Access3 Days trial$9.991 Month
One-time1
  • Lifetime Full Access$19.99
None

Code Drills

No in-app purchases

Questions

Is Learn Python in 21 Days free?
Learn Python in 21 Days is free to download, with in-app purchases available.
Is Code Drills free?
Code Drills is free to download, with no in-app purchases.
Which has better reviews, Learn Python in 21 Days or Code Drills?
Code Drills is rated higher. Learn Python in 21 Days averages 4.5 out of 5 from 17 ratings, while Code Drills averages 5.0 from 1 ratings.
Do Learn Python in 21 Days or Code Drills have ads?
Code Drills shows ads; Learn Python in 21 Days does not.
Which is updated more often, Learn Python in 21 Days or Code Drills?
Learn Python in 21 Days ships an update every 2 months, and Code Drills every 4 days. Most recently, Learn Python in 21 Days was updated on September 20, 2026 and Code Drills on October 7, 2026.

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