Comparison

E vs Eki

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

Head to head
About

E

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
Read full description

Discovering Jazz Guitar A practical introduction to jazz guitar β€” without getting lost in theory (or in your own fingers). Understand jazz chords and progressions with step-by-step lessons inspired by jazz standards, from Classic Jazz to Brazilian and Gypsy Jazz. This course is designed for beginners in jazz: you’ll learn real concepts and how to use them. It’s not a β€œfirst guitar” course though β€” you should already be comfortable with basic chords and basic rhythm (changing chords in time). What’s inside: 8 lessons with a gradual increase in difficulty. For each lesson: theory, tips, tabs, and video. Learn chord embellishments, diatonic substitution, and tritone substitution. Understand how to create your own jazz chord progressions. Lesson 1 β€” Jazz Chords Jazz chords built from the major scale. II–V–I chord changes in G and C. Introduction to walking bass. Lesson 2 β€” II–V–I Progression Using the major scale in progressions. Chord embellishment. The diminished chord. Lesson 3 β€” Changing Key Find II–V–I in multiple keys. Chord roots on the E and A strings. Lesson 4 β€” More Chord Movement Diatonic substitution. Secondary dominants. Cycle of fifths. Triads and tetrads. Lesson 5 β€” Tritone Substitution Tritone substitution in context. 11th and 13th chords. Practical fingerings. Lesson 6 β€” Blues for Clara From a traditional 12-bar blues to a richer form. 9th and 13th chords. Lesson 7 β€” Gypsy Swing Gypsy Jazz rhythm fundamentals. Major and minor 6th chords. Lesson 8 β€” Sunny Bossa Bossa Nova rhythm pattern. Using substitutions to color progressions.

About

Eki

Features
Read full description

E-Badge turns your phone into a secure digital identity badge for students and staff. Create your account, verify your identity once, and carry a tamper-proof QR badge you can present anywhere on campus. KEY FEATURES Digital QR badge Get a personal badge with a unique QR code. Staff and gates can scan it in seconds to verify your identity and status. Secure identity verification Scan your national ID card (CNIE) and take a quick selfie. Built-in document reading and face-liveness checks confirm it's really you. Fast, protected sign-in Register with your email, confirm with a one-time code, and protect your badge with a personal PIN. Add your documents Attach your portrait photo and, optionally, your baccalaureate diploma to complete your profile. Notifications and appointments Stay up to date with badge updates, appointment reminders, and identity-verification status. Multilingual Available in Arabic, French, English and Tamazight, with automatic language detection. PRIVACY YOU CAN TRUST E-Badge complies with Moroccan Law 09-08 on personal data protection (CNDP). Your documents and biometric checks are used only to verify your identity and issue your badge. Download E-Badge and replace your plastic card with a secure badge that lives on your phone.

Screenshots

E4 screens
Eki4 screens

Verdict

The call

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.

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

UpkeepUpdate frequency

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

Scorecard3 real differences Β· 5 level
E versus Eki: the parameters behind the verdict, then further details
ParameterEEki
PriceFreeFree
Positive reviews57.1% of reviewsβ€”
Update frequencyEvery 3 monthsWeekly β€” better
AdsNoNo
In-app purchasesYesNo β€” better
MonetizationFreeβ€”
DevicesiPhone, iPadiPhone, iPad, iPod β€” better
Requires iOS17.615.1 β€” better
Further details β€” not scored
Size203 MB38 MB
Age rating4+4+
DeveloperDavid PalmerioSOCIETE TANGEROISE DE MAINTENANCE

In-app purchases

1 purchases

E

One-time1
  • Full Access$3.99
None

Eki

No in-app purchases

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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