Comparison

Phiora vs Piano Lessons · Klavi

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

Head to head
About

Phiora

This app helps you explore and apply the Golden Ratio to your photos and real-world compositions. Use overlays like the Golden Spiral and Phi Grid on your camera or existing images to understand natural patterns and enhance your creative work.

Highlights
  • Golden Spiral and Phi Grid overlays
  • Live camera composition guide
  • Artwork and architecture analysis
  • Adjustable overlay resizing and rotation
  • Save analyzed images
  • Dark, distraction-free interface
Features
Read full description

Description: Phiora – Where Composition Meets Natural Perfection The Golden Ratio has guided the greatest artists, architects, and scientists in history. Now it's in your hands. Phiora is the ultimate tool for exploring, applying, and understanding the Golden Ratio — the mathematical principle found throughout nature, art, and the cosmos. Whether you're a photographer perfecting a shot, an artist analyzing a masterpiece, or a curious mind uncovering the patterns hidden in the world around you, Phiora transforms the way you see. What You Can Do Overlay the Golden Spiral and Phi Grid on any photo from your gallery Use your live camera to compose shots in real time with the Golden Ratio as your guide Analyze artwork, paintings, and architecture with precision overlays Resize, rotate, and flip the overlay to match any composition Save your analyzed images directly to your photo library For Creators & Curious Minds Use it to study the compositions of the great masters, improve your own project, or simply explore the elegant mathematics woven into the natural world. The Golden Ratio, Perfected Phiora's clean, intuitive interface keeps the focus where it belongs — on your subject. The dark, distraction-free design lets the spiral speak for itself. Discover the ratio. Master the composition. See the world differently.

About

Piano Lessons · Klavi

Features
Read full description

Klavi teaches piano on your own piano. Play an acoustic or digital piano or a keyboard: Klavi listens through the microphone or a MIDI cable, waits for the right note and shows you exactly what you played. LEARN PIANO STEP BY STEP • 6 courses and 36 lessons: Piano Basics, Essentials I and II, Chords I and II, Classical I • Short explanations, then you play — every exercise checks your notes • Read sheet music from the first lesson: treble and bass clef, rhythm, sharps and flats, key signatures, chords IT LISTENS TO YOUR PIANO • Microphone for acoustic and digital pianos, USB or Bluetooth MIDI for perfect accuracy, or the on-screen keys • Wait mode: the music waits until you find the right note • Flow mode: play in tempo and see early, late and missed notes • Wrong key? Klavi names the note you pressed PRACTISE YOUR WAY • Slow the tempo down, practise hands separately, repeat the bars that need work • Note names as C D E or Do Re Mi • Stars, accuracy and a bar-by-bar map after every piece SONGS AND TRAINERS • 32 classical, folk and holiday pieces, many at three levels: melody, melody with bass, both hands with chords • Note Sprint for reading notes, ear training for intervals and chords, rhythm practice TEN MINUTES A DAY • A daily session: warm-up, a lesson step and a song • Streaks, XP and your practice week at a glance PRIVATE BY DESIGN No account, no ads. Your progress stays on your device; sound is analysed on the device and never recorded. KLAVI PRO Piano Basics, the first lesson of every course, 11 songs at the Easy level and one daily round of each trainer are included without Pro. Klavi Pro unlocks all courses, every song at every level and unlimited trainer rounds. Choose a yearly subscription with a 7-day free trial, a weekly subscription, or a one-time lifetime purchase. Payment is charged to your Apple Account at confirmation of purchase. Subscriptions renew automatically unless cancelled at least 24 hours before the end of the current period; your account is charged for renewal within 24 hours before the end of the period. Manage or cancel subscriptions in your account settings after purchase. Privacy Policy: https://appbaron-apps.netlify.app/klavi/privacy/ Terms of Use: https://appbaron-apps.netlify.app/klavi/terms/

Screenshots

Phiora4 screens
Piano Lessons · Klavi4 screens

Verdict

The call

The clearest difference is device support: Phiora at 3 against Piano Lessons · Klavi's 1. Phiora also leads on iOS requirement (15.0 vs 17.0). On price, update cadence, ads and in-app purchases 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

Both are free to download. Phiora sells 1 one-off in-app purchase and Piano Lessons · Klavi sells 3 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Phiora ships an update every 10 days, Piano Lessons · Klavi every 5 days. The most recent releases landed on October 31, 2026 and November 7, 2026 respectively.

Scorecard2 real differences · 8 level
Phiora versus Piano Lessons · Klavi: the parameters behind the verdict, then further details
ParameterPhioraPiano Lessons · Klavi
PriceFreeFree
Rating5.0 (3 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings3 — better—
Update frequencyEvery 10 daysEvery 5 days — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree—
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS15.0 — better17.0
Further details — not scored
Size7 MB3 MB
Age rating4+4+
DeveloperMichelle FeldmanMaria Luisa Baron

In-app purchases

1 purchases

Phiora

One-time1
  • Phiora Premium$7.99
3 purchases

Piano Lessons · Klavi

Subscriptions2
  • Klavi Pro Weekly$4.997 Days
  • Klavi Pro Yearly7 Days trial$39.991 Year
One-time1
  • Klavi Pro Lifetime$89.99

Questions

Is Phiora free?
Phiora is free to download, with in-app purchases available.
Is Piano Lessons · Klavi free?
Piano Lessons · Klavi is free to download, with in-app purchases available.
Do Phiora or Piano Lessons · Klavi have ads?
Neither Phiora nor Piano Lessons · Klavi shows ads.
Which is updated more often, Phiora or Piano Lessons · Klavi?
Phiora ships an update every 10 days, and Piano Lessons · Klavi every 5 days. Most recently, Phiora was updated on October 31, 2026 and Piano Lessons · Klavi on November 7, 2026.

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