Comparison

Learn to code with MasterOnce vs CodeCityApp

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

Head to head
About

Learn to code with MasterOnce

Features
Read full description

MasterOnce is made for beginners who are tired of feeling stuck. If you’re new to coding, you know the feeling: You watch lessons, you understand the idea, and everything seems clear… but the moment you open a blank screen, you can’t write even one line. That is normal. Writing code is hard at the start because your brain is still learning: - what to type - how to structure it - what the syntax looks like - which pattern comes next MasterOnce helps you build that skill through one method that works: writing from memory. Instead of just reading code or copying it, you practice by typing real code yourself. This trains your brainour brain to remember syntax naturally and makes coding feel less scary over time. Practice the skill beginners struggle with most Most beginners don’t fail because they’re not smart. They fail because they don’t get enough real typing practice. MasterOnce focuses on turning β€œI understand it” into β€œI can write it.” Write-from-memory drills You choose a concept and type real code from memory. No guessing. No multiple choice. No endless copying. This builds confidence, speed, and recall. Three levels that make you improve fast Every topic includes three drills: - Easy: a quick warm-up - Medium: real practice that builds control - Hard: mastery that makes it stick This step-by-step progression helps you level up without feeling overwhelmed. Stop feeling blocked when it’s time to code With consistent practice you will: - hesitate less when writing code - remember syntax more easily - understand patterns faster - feel confident starting new tasks - stop getting stuck on simple lines Keep your progress saved and synced Your progress stays saved so you can continue anytime. Your completed drills and streaks remain across sessions. Features - Write real code from memory - Easy, Medium, Hard drills for every concept - Daily practice built for beginners - Track improvement over time - Progress saved and synced across sessions If you want to finally stop freezing on a blank screen, MasterOnce is your practice tool. One concept at a time, one drill at a time, until writing code feels natural. Terms of Use: https://masteronce.com/terms Privacy Policy: https://masteronce.com/privacy

About

CodeCityApp

Features
Read full description

CodeCity turns coding practice into a living city that grows as you learn. Practice Python, JavaScript, terminal commands, Bash, AI concepts, interview prep, and more through bite-sized challenges, guided mastery paths, and real-time feedback. Solve practical coding challenges, follow structured skill paths from beginner to advanced, and get help from ARIA, an AI coding mentor. Track XP, streaks, certifications, and progress as you build real developer skills. CodeCity is built for self-directed learners, students, bootcamps, and schools that want coding practice to feel active, visual, and motivating. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Learn to code with MasterOnce4 screens
CodeCityApp4 screens

Verdict

The call

The clearest difference is update cadence: Learn to code with MasterOnce at every 3 days against CodeCityApp's every 6 weeks. CodeCityApp's advantage is iOS requirement (15.0 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Both are free to download. Learn to code with MasterOnce sells 2 in-app purchases, starting at $4.99 per 7 days and CodeCityApp sells 4 in-app purchases, starting at $15.00 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Learn to code with MasterOnce ships an update every 3 days, CodeCityApp every 6 weeks. The most recent releases landed on October 31, 2026 and November 9, 2026 respectively.

Scorecard2 real differences Β· 4 level
Learn to code with MasterOnce versus CodeCityApp: the parameters behind the verdict, then further details
ParameterLearn to code with MasterOnceCodeCityApp
PriceFreeFree
Update frequencyEvery 3 days β€” betterEvery 6 weeks
AdsNoNo
In-app purchasesYesYes
DevicesiPhone, iPadiPhone, iPad, iPod β€” better
Requires iOS17.015.0 β€” better
Further details β€” not scored
Size26 MB30 MB
Age rating17+12+
DeveloperMIK Group GmbHmichael clarke

In-app purchases

2 purchases

Learn to code with MasterOnce

Subscriptions2
  • MasterOnce Premium$4.997 Days
  • MasterOnce Premium$9.991 Month
4 purchases

CodeCityApp

Subscriptions4
  • CodeCity Pro β€” Monthly$15.001 Month
  • CodeCity Career β€” Monthly$29.001 Month
  • CodeCity Pro β€” Annual7 Days trial$119.991 Year
Show 1 more
  • CodeCity Career β€” Annual$239.991 Year

Questions

Is Learn to code with MasterOnce free?
Learn to code with MasterOnce is free to download, with in-app purchases available.
Is CodeCityApp free?
CodeCityApp is free to download, with in-app purchases available.
Do Learn to code with MasterOnce or CodeCityApp have ads?
Neither Learn to code with MasterOnce nor CodeCityApp shows ads.
Which is updated more often, Learn to code with MasterOnce or CodeCityApp?
Learn to code with MasterOnce ships an update every 3 days, and CodeCityApp every 6 weeks. Most recently, Learn to code with MasterOnce was updated on October 31, 2026 and CodeCityApp on November 9, 2026.

Other comparisons