Comparison

Codelet vs GuitarBloom

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

Head to head
About

Codelet

Prepare for technical interviews by identifying core coding patterns and analyzing your performance. Practice coding questions conveniently to improve your skills and pinpoint areas for growth.

Highlights
  • Identify core patterns
  • Analyze approaches
  • Track performance
  • Identify improvement areas
  • Practice coding questions
  • Anytime, anywhere practice
Read full description

∙ Identify and analyze the core patterns and approaches ∙ View how well you’re doing and where you can improve ∙ Practice coding questions anywhere and anytime

About

GuitarBloom

Features
Read full description

GuitarBloom transforms music theory into an interactive visual and audio experience for guitar. Explore scales, modes, and chords with an intuitive interface that makes complex musical relationships easy to understand because everything is being adjusted in front of your eyes. Turn the circles, swipe the fretboard, hear how each chord sounds. iOS drag gestures and UI elements make the App look timelessly elegant. The Interval Bloom shows output in piano key format while giving you the whole arrangement of intervals. Whenever you explore a chord, it is always in the context of the current Key Signature, Mode and Scale Type. SCALES & MODES - Pentatonic, Major, and Harmonic Minor scale types - All 15 keys with transposition and 3 keys with Sharp/Flat switch - Major, Suspended, Blues minor, Blues Major, minor Modes for Pentatonic scale type - Ionian, Dorian, Phrygian, Lydian, Mixolydian, Aeolian, Locrian modes for Major scale type - Augmented Major, Altered Dorian, Phrygian Dominant, Lydian Sharp 2nd, Super Locrian Double Flat 7, Harmonic minor, Locrian Natural 6 modes for Harmonic minor scale type - Visual color coding that actually represents the quality of each Mode. COMPREHENSIVE CHORD SYSTEM - Roman numeral chord analysis - Complete CAGEeD chord system for guitar - Major, minor chords with all basic shapes - Augmented and diminished inversions - Sus2, Sus4, and extended chords - all chords with 7th modifications - Root position has specific Root chord shapes when possible, like that classic Bm7 and B7 - Interactive fretboard with chord patterns - Karplus-Strong synthesis for audio STANDARD MUSIC NOTATION - Standard piano notation output for all chords - Notes with note names inside and color coded Sharps/Flats to help you learn reading - All 15 Key Signatures for Pentatonic, Major and Harmonic minor scale types. - Real-time chord note display - Interactive Circle of Fifths for when you need that reference INTUITIVE INTERFACE - Drag to rotate between Keys and Modes - Tap Roman numerals to explore chord progressions - Visual feedback with color-coded intervals - Smooth animations and responsive design The Interval Bloom shows why Roman numeral chords work the way they do, how to change Modes, what happens when we transpose Modes, Keys, Chords. How is Blues minor related to Phrygian Dominant? Very easy to see on the Interval Bloom! Whether you're a beginner learning basic chords or an advanced musician exploring complex harmonic relationships, GuitarBloom provides the tools you need to understand and apply music theory practically. Perfect for guitarists, music students, composers, and anyone wanting to deepen their musical understanding.

Screenshots

Codelet4 screens
GuitarBloom4 screens

Verdict

The call

The clearest difference is price: Codelet at Free against GuitarBloom's $3.99. Codelet also leads on iOS requirement (13.4 vs 17.6). GuitarBloom's advantage is update cadence (every 9 days vs every 2 months). On ads, in-app purchases 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

Codelet is free to download; GuitarBloom costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Codelet ships an update every 2 months, GuitarBloom every 9 days. The most recent releases landed on August 13, 2026 and September 19, 2026 respectively.

Scorecard3 real differences · 7 level
Codelet versus GuitarBloom: the parameters behind the verdict, then further details
ParameterCodeletGuitarBloom
PriceFree — better$3.99
Rating4.7 (127 ratings) — better—
Positive reviews53.3% of reviews—
Number of ratings127 — better—
Update frequencyEvery 2 monthsEvery 9 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPodiPhone, iPad
Requires iOS13.4 — better17.6
Further details — not scored
Size25 MB1 MB
Age rating4+4+
DeveloperCodelet LLCRAIMONDS BLUMS

In-app purchases

None

Codelet

No in-app purchases

None

GuitarBloom

No in-app purchases

Questions

Is Codelet free?
Codelet is free to download, with no in-app purchases.
Is GuitarBloom free?
GuitarBloom costs $3.99, with no in-app purchases.
Do Codelet or GuitarBloom have ads?
Neither Codelet nor GuitarBloom shows ads.
Which is updated more often, Codelet or GuitarBloom?
Codelet ships an update every 2 months, and GuitarBloom every 9 days. Most recently, Codelet was updated on August 13, 2026 and GuitarBloom on September 19, 2026.

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