# Bass by Ear vs CS++ AP CSP

Bass by Ear and CS++ AP CSP both sit at 5.0 stars, but that hides the real split: 100% of CS++ AP CSP's written reviews are positive against 50% of Bass by Ear's. CS++ AP CSP also leads on price (Free vs $4.99) 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.

CS++ AP CSP is free to download; Bass by Ear costs $4.99 up front. CS++ AP CSP sells 1 one-off in-app purchase. Bass by Ear asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Bass by Ear against 5.0 for CS++ AP CSP. Both are backed by a comparable volume of ratings — 2 and 1 respectively. Written reviews are what separate them: 50% of Bass by Ear's written reviews are positive against 100% of CS++ AP CSP's.

Bass by Ear ships an update every 3 months, CS++ AP CSP every 3 weeks. The most recent releases landed on November 7, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | Bass by Ear | CS++ AP CSP |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/bass-by-ear/id1635648709/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/cs-plus-plus-ap-csp/id6763950898/reviews) |
| Number of ratings | **2** | 1 |
| Positive reviews | 50.0% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 190 MB | 57 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Oleg Sokolov](https://appshunter.io/developer/1628122395) | [Kevin Hare](https://appshunter.io/developer/1343264116) |

## What reviewers say

### Bass by Ear

[App page](https://appshunter.io/ios/app/bass-by-ear/id1635648709)

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:** macOS Compatibility

**In-app purchases:** none


### CS++ AP CSP

[App page](https://appshunter.io/ios/app/cs-plus-plus-ap-csp/id6763950898)

This app provides a comprehensive, offline AP Computer Science Principles course. It covers all 11 units with clear lessons, practice questions, and exam preparation. Progress is saved locally, ensuring uninterrupted study.

**Highlights:** Complete AP CSP curriculum, Offline access, Hundreds of practice questions, Clear, conversational lessons, Progress tracking, Exam preparation

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Full AP CSP Course | $9.99 | one-time |


## Frequently asked questions

### Is Bass by Ear free?

Bass by Ear costs $4.99, with no in-app purchases.

### Is CS++ AP CSP free?

CS++ AP CSP is free to download, with in-app purchases available.

### Which has better reviews, Bass by Ear or CS++ AP CSP?

Bass by Ear and CS++ AP CSP are both rated 5.0 out of 5 on the App Store, from 2 and 1 ratings respectively.

### Do Bass by Ear or CS++ AP CSP have ads?

Neither Bass by Ear nor CS++ AP CSP shows ads.

### Which is updated more often, Bass by Ear or CS++ AP CSP?

Bass by Ear ships an update every 3 months, and CS++ AP CSP every 3 weeks. Most recently, Bass by Ear was updated on November 7, 2026 and CS++ AP CSP on November 9, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*