Reviews of CodeGym: learn Java

By: HiTech Rush Inc App

List of user reviews and ratings for CodeGym: learn Java

Total ratings

4.59 (Rating count: 3,769)

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Review summary

Users praise CodeGym for clear explanations of Java core concepts, a large library of practice tasks, and a beginner-friendly path that enforces practice. They value the structured progression and a calm, ad-free learning environment. Common downsides are progression blockers or bugs that prevent moving past levels, usability issues such as small UI elements and time-intensive tasks, and the perception that the app is more suitable for kids than for adult learners.

Pros

Clear explanations and solid coverage of Java core concepts
Large library of practice programs to reinforce learning
Beginner-friendly and ideal for learning Java from scratch
Structured progression that reinforces concepts and keeps you on track
Calm, distraction-free learning environment (minimal or no ads)

Cons

Progression blockers or bugs that prevent moving past certain levels (e.g., end of level 2)
Usability issues: some users find the app hard to use and parts are too small or time-consuming to complete
App may feel more suitable for kids than for adult learners
Reported bugs interfering with task access and progression

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User Reviews

Recent rating average: 4.00

All time rating average: 4.59

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8% (6)

Date	Author	Comment
2026-05-27	Mu*****	Best Java Learning Platform
Best Java Learning Platform
2026-05-14	As*****	This is the best learning app for Java. But jeez! Why 403?
This is the best learning app for Java. But jeez! Why 403?
2026-05-12	Ki*****	very good for beginners
very good for beginners
2026-04-16	Ab*****	the app isn't working it's showing 403 error and is crashing I have logged previously with google but it said attach an email when I tried to add it said already is linked with an account even though I haven't, but it was the same email I used to log in with google but since after that the app never logged in again and is constantly showing the error 403! and I have tried reinstalling to see if it fixes but it still crashes.
the app isn't working it's showing 403 error and is crashing I have logged previously with google but it said attach an email when I tried to add it said already is linked with an account even though I haven't, but it was the same email I used to log in with google but since after that the app never logged in again and is constantly showing the error 403! and I have tried reinstalling to see if it fixes but it still crashes.
2026-04-08	Sh*****	I'm unable to run the application, right now I'm getting a 403 error, is there any server issue? And for star rating it's not related to application, it's really good for everyone.
I'm unable to run the application, right now I'm getting a 403 error, is there any server issue? And for star rating it's not related to application, it's really good for everyone.
2026-03-19	Na*****	Just started but certainly up to a great start and I think this might just be the kind of app I was looking for. Thank you very much, peace and love.
Just started but certainly up to a great start and I think this might just be the kind of app I was looking for. Thank you very much, peace and love.
2025-12-17	Mo*****	Good
Good
2025-11-22	Ji*****	nice for java language learning you
nice for java language learning you
2025-11-02	Ni*****	I love the theoretic part, but don't have any tasks (end of level 2) and can't go on as the dark matter is over... Is that some sort of a bug?
I love the theoretic part, but don't have any tasks (end of level 2) and can't go on as the dark matter is over... Is that some sort of a bug?
2025-09-02	Ну*****	This is a real cool program to learn a java
This is a real cool program to learn a java