# E vs Eki

The clearest difference is in-app purchases: Eki at none against E's 1. Eki also leads on update cadence (weekly vs every 3 months) and iOS requirement (15.1 vs 17.6). On price, ads and device support there is nothing between them.

Both are free to download. E sells 1 one-off in-app purchase. Eki asks for nothing beyond the download.

E ships an update every 3 months, Eki weekly. The most recent releases landed on October 23, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | E | Eki |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 57.1% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | **Weekly** |
| Monetization | Free | — |
| Size | 203 MB | 38 MB |
| Requires iOS | 17.6 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [David Palmerio](https://appshunter.io/developer/348861875) | [SOCIETE TANGEROISE DE MAINTENANCE](https://appshunter.io/developer/1785170795) |

## What reviewers say

### E

[App page](https://appshunter.io/ios/app/e-jazz-learn-jazz-guitar/id376532788)

Learn jazz guitar with practical, step-by-step lessons covering chords, progressions, and substitutions. This course is designed for intermediate players looking to understand jazz concepts without overwhelming theory.

**Highlights:** Step-by-step jazz guitar lessons, Covers chords and progressions, Includes theory, tips, tabs, and video, Explains chord embellishments and substitutions, Learn to create own jazz chord progressions, Lessons inspired by jazz standards

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Access | $3.99 | one-time |


### Eki

[App page](https://appshunter.io/ios/app/eki-badge/id6758301774)

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

**In-app purchases:** none


## Frequently asked questions

### Is E free?

E is free to download, with in-app purchases available.

### Is Eki free?

Eki is free to download, with no in-app purchases.

### Do E or Eki have ads?

Neither E nor Eki shows ads.

### Which is updated more often, E or Eki?

E ships an update every 3 months, and Eki weekly. Most recently, E was updated on October 23, 2026 and Eki on October 25, 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.*