Comparison

Bass by Ear vs CS++ AP CSA

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

Head to head
About

Bass by Ear

Learn to play bass guitar by ear, mastering any genre without reading sheet music. This app helps you develop a deep understanding of chords and melodies, enabling rapid progress in your musical skills within days.

Highlights
  • Learn bass guitar by ear
  • Master any genre (Pop, Rock, Blues, Jazz, etc.)
  • No need for note notation
  • Deep understanding of chords and notes
  • Practice with smartphone or real bass
  • Rapid progress in musical skills
Features
Read full description

…so you learned a couple of scales, a couple of your favorite basslines, but you don’t feel any progress anymore… Bass by Ear comes to rescue! This app will help you learn in any genre: Pop, Rock, Indie, Blues, Jazz, Country and everything in-between without the use pf note notation, totally by ear! This is a pro tool for bassists who want a shortcut to fluency on the bass guitar. With this tool you will be able to play the bass it is meant to be played by ear, any melody or solo, you will gain a very deep understanding of chords and the notes they consist of and are surrounded by, they tell you all about this in lessons, but you never actually get to ingrain it. Yet this is the most important skill there is for mastering the bass and play any music by ear. The app allows you to practice with just the smartphone or with your real bass guitar. This exercise might look a little bit tedious, but trust us, you will see very powerful results in your music within days of using the app. You could call it hacking the bass guitar. Provided you possess the basic note and scale playing skills (youtube will teach you that very easily), you will learn to play the bass guitar by ear in DAYS with Bass by Ear, something other musicians struggle for YEARS for and still not everyone gets there. You will. During the first month. How much money would you pay to obtain such a skill? Consider this your lucky day, because you are on your way for real musicianship whether it is your hobby or you want to pursue career in music, this app sets you app for the best results. Even if you prefer to play looking at the notes, this app will greatly enhance your ability to see music, hear the written music in your mind, understand music more easily and even remember music much more easily.

About

CS++ AP CSA

This app provides a comprehensive AP Computer Science A course, featuring offline Java execution, practice questions, and coding challenges. It covers all 11 units of the College Board curriculum with detailed explanations and error callouts. Progress is saved locally, ensuring privacy and accessibility without an internet connection.

Highlights
  • Offline Java runtime
  • 11 AP CSA course units
  • Hundreds of practice questions
  • Inline Java coding challenges
  • Topic-by-topic explanations
  • Progress saved on-device
  • No account or tracking
Features
Read full description

CS++ AP CSA is the complete AP Computer Science A course in your pocket — fully offline, with a real Java runtime built in. WHAT YOU GET • 11 units covering every topic in the College Board AP CSA Course and Exam Description (CED) • Hundreds of multiple-choice and Parsons-puzzle practice questions, with hints and explanations • 50+ inline Java coding challenges that run on your device — no internet required • Topic-by-topic explanations, code examples, and "common error" callouts • Progress saved on-device, persistent across sessions • Unit 1 (Primitive Types) is free; full course unlocks for $9.99 (one-time) THE 11 UNITS 1. Primitive Types & Output 2. Booleans & Conditionals 3. Iteration 4. Strings 5. Arrays 6. 2D Arrays 7. ArrayList 8. Recursion 9. Classes & Objects 10. Inheritance & Polymorphism 11. Searching & Sorting WHY OFFLINE The bundled Java runtime executes code locally on your device. The lesson content is shipped with the app — no streaming, no fetching, no slow connections. Use it on a plane, a school Chromebook with locked Wi-Fi, or anywhere with no signal. WHY CS++ We've taught AP CSA online at csplusplus.com to teachers and students across the United States. This app distills the full course into a focused practice tool. Same content, same alignment to the 2025-26 College Board CED, same Java subset — packaged for the device that's always in your pocket. PRIVACY No account creation. No sign-in. No analytics or tracking. All progress lives in app storage on your device. No data is sent to our servers. THE PURCHASE The free tier covers Unit 1 — enough to evaluate the lesson format and the inline Java runtime. The full unlock is a one-time $9.99 purchase that unlocks all 11 units forever, with no subscription. WANT THE EDITOR ALSO? For a free-form Java environment with multi-file projects and a templates menu, see our companion app CS++ Java IDE — same Java runtime, just an editor instead of a course. AP, Advanced Placement, and AP Computer Science A are registered trademarks of the College Board, which is not affiliated with and does not endorse this app. Built by Yellow Dart Publishing.

Screenshots

Bass by Ear4 screens
CS++ AP CSA4 screens

Verdict

The call

Bass by Ear and CS++ AP CSA both sit at 5.0 stars, but that hides the real split: 100% of CS++ AP CSA's written reviews are positive against 50% of Bass by Ear's. CS++ AP CSA also leads on price (Free vs $12.99) and update cadence (every 3 weeks vs every 3 months). Bass by Ear's advantage is in-app purchases (none vs 1) and iOS requirement (11.0 vs 15.0). On rating, ratings volume, ads and device support 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

CS++ AP CSA is free to download; Bass by Ear costs $12.99 up front. CS++ AP CSA sells 1 one-off in-app purchase. Bass by Ear asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for Bass by Ear against 5.0 for CS++ AP CSA. Both are backed by a comparable volume of ratings — 2 and 2 respectively. Written reviews are what separate them: 50% of Bass by Ear's written reviews are positive against 100% of CS++ AP CSA's.

UpkeepUpdate frequency

Bass by Ear ships an update every 3 months, CS++ AP CSA every 3 weeks. Both last shipped on October 24, 2026.

Scorecard6 real differences · 4 level
Bass by Ear versus CS++ AP CSA: the parameters behind the verdict, then further details
ParameterBass by EarCS++ AP CSA
Price$12.99Free — better
Rating5.0 (2 ratings)5.0 (2 ratings)
Positive reviews50.0% of reviews100.0% of reviews — better
Number of ratings22
Update frequencyEvery 3 monthsEvery 3 weeks — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaidFree with in-app purchases — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS11.0 — better15.0
Further details — not scored
Size190 MB59 MB
Age rating4+4+
DeveloperOleg SokolovKevin P Hare LLC

Customer experience

Bass by Ear

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews4 reviews
Positive50.0%
Neutral0.0%
Negative50.0%

CS++ AP CSA

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

In-app purchases

None

Bass by Ear

No in-app purchases

1 purchases

CS++ AP CSA

One-time1
  • Unlock Full AP CSA Course$9.99

Questions

Is Bass by Ear free?
Bass by Ear costs $12.99, with no in-app purchases.
Is CS++ AP CSA free?
CS++ AP CSA is free to download, with in-app purchases available.
Which has better reviews, Bass by Ear or CS++ AP CSA?
Bass by Ear and CS++ AP CSA are both rated 5.0 out of 5 on the App Store, from 2 and 2 ratings respectively.
Do Bass by Ear or CS++ AP CSA have ads?
Neither Bass by Ear nor CS++ AP CSA shows ads.
Which is updated more often, Bass by Ear or CS++ AP CSA?
Bass by Ear ships an update every 3 months, and CS++ AP CSA every 3 weeks. Most recently, Bass by Ear was updated on October 24, 2026 and CS++ AP CSA on October 24, 2026.

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