Comparison

Persian Santoor vs Trapezoid

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

Head to head
About

Persian Santoor

Experience the authentic sound of the Persian Santoor with this musical instrument simulator. Play traditional rhythms, create rich chords, and customize your sound with studio-recorded audio. No musical background is needed to explore Oriental melodies and adjust tempo and pitch.

Highlights
  • Traditional Oriental rhythms
  • Rich, resonant chords
  • Studio-recorded sounds
  • Customizable sound mix
  • Pitch adjustment by sliding
  • Transpose notes
  • Adjustable rhythm speed
  • Two octaves on one page
Features
Read full description

Discover the beauty of the Persian Santoor with this authentic musical instrument simulator app. **Key Features:** - Immerse yourself in traditional Oriental rhythms - Play rich, resonant chords - Experience real, professional studio-recorded sounds - Customize sound by adjusting the mix of chord, rhythm, and instrument volumes - Effortlessly pitch sounds by sliding along each string - Transpose notes to suit your playing style - Adjust rhythm speed for personalized tempo - Access two octaves on a single page for versatile playing - Explore authentic Oriental and Persian melodies with quarter-flat notes With this app, you can easily play the Santoor, no musical background required! **Watch the demo video below:** https://www.youtube.com/watch?v=Cr6iA4dO8uc

About

Trapezoid

This virtual instrument accurately simulates the sound and playability of a hammered dulcimer. It offers multiple tuning options, drag roll effects, and MIDI compatibility for a realistic musical experience. Designed for both beginners and experienced players, it fits right in your pocket.

Highlights
  • Authentic hammered dulcimer sound
  • Standard and Michigan tunings
  • Drag roll effects
  • MIDI keyboard compatibility
  • Velocity sensitive MIDI input
  • Note name display
Features
Currently charting
Read full description

Trapezoid is an amazing Hammered Dulcimer that can fit in your pocket. Written by an experienced Hammered Dulcimer player, this virtual dulcimer sounds and plays like the real thing! This app has the full range of a standard 12/11 style (9/9 style for 4:3 format iPads) instrument and supports both Standard and Michigan (octave) tunings. 12/11 means there are 12 bridges on the Treble (left) side of the instrument, 11 bridges on the Bass (right) side of the instrument. To play, just touch the strings on either side of the left (Treble) bridge or the left side of the right (Bass) bridge just like on the real instrument. To get repeated note "drag roll" effects, drag quickly horizontally across the strings. The sensitivity of the drag effect may be set on the settings screen. Touch the "?" to show the note names for the strings. Touch the "S" or "M" below the "?" to toggle between Standard and Michigan (octave) tuning. Touch the "Shhh" icon on the upper right corner to quiet all the strings. Touch the "i" to bring up the settings screen where you can set the overall volume, enable or disable the drag roll feature, and set the roll sensitivity for how far you need to drag to get the roll effect. The app also may be played from a MIDI keyboard connected to a hardware MIDI interface or other MIDI controller or MIDI file player apps. On the settings page you may select the MIDI channel number. When playing via MIDI, the app is velocity sensitive based on the velocity sent with the Note-on events. Lowest note is A2 (MIDI note 45). Range is full chromatic from A2 through D6. The app will respond to MIDI volume messages on the selected MIDI channel. To truly experience the full stereo spread of the instrument, plug in a set of headphones or amplified speakers. Playing Hint for Smaller Phone Users: On the smaller screen phones the strings are pretty close together. If you are having trouble hitting the notes you want, show the note names by touching the "?" and then, when playing touch directly on the note names for best playing accuracy. Audio samples of Wes Chappell's amazing dulcimer provided by Jesse Chappell from ThumbJam.com. The instrument was built by James Jones, from Bedford, VA. I have played and taught the Hammered Dulcimer for over 20 years. This app sounds and plays as close to the real instrument as I'm capable of doing on a touch screen. Be sure to visit the AppCordions.com website to watch the demo videos!

Screenshots

Persian Santoor4 screens
Trapezoid3 screens

Verdict

The call

The clearest difference is review sentiment: Trapezoid at 100% against Persian Santoor's 25%. Trapezoid also leads on price ($1.99 vs $16.99) and rating (5.0 vs 2.7). Persian Santoor's advantage is ratings volume (6 vs 2). On ads, in-app purchases, monetization model 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

Persian Santoor costs $16.99 and Trapezoid $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Trapezoid holds the better App Store score, 5.0 against 2.7. Both are backed by a comparable volume of ratings — 6 and 2 respectively. Written reviews point the same way: 25% of Persian Santoor's written reviews are positive against 100% of Trapezoid's.

UpkeepUpdate frequency

Persian Santoor ships an update every 39 months, Trapezoid every 9 days. Both last shipped on October 24, 2026.

Scorecard7 real differences · 4 level
Persian Santoor versus Trapezoid: the parameters behind the verdict, then further details
ParameterPersian SantoorTrapezoid
Price$16.99$1.99 — better
Rating2.7 (6 ratings)5.0 (2 ratings) — better
Positive reviews25.0% of reviews100.0% of reviews — better
Number of ratings6 — better2
Update frequencyEvery 39 monthsEvery 9 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaidPaid
Best chart rank—#191 — better
DevicesiPhone, iPodiPhone, iPod
Requires iOS15.610.0 — better
Further details — not scored
Size51 MB46 MB
Age rating4+4+
DeveloperSENIOR ELECTRON LLCMichael Eskin

Customer experience

Persian Santoor

All ratings5 ratings
Positive40.0%
Neutral20.0%
Negative40.0%
Written reviews4 reviews
Positive25.0%
Neutral25.0%
Negative50.0%

Trapezoid

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Persian Santoor

No in-app purchases

None

Trapezoid

No in-app purchases

Questions

Is Persian Santoor free?
Persian Santoor costs $16.99, with no in-app purchases.
Is Trapezoid free?
Trapezoid costs $1.99, with no in-app purchases.
Which has better reviews, Persian Santoor or Trapezoid?
Trapezoid is rated higher. Persian Santoor averages 2.7 out of 5 from 6 ratings, while Trapezoid averages 5.0 from 2 ratings.
Do Persian Santoor or Trapezoid have ads?
Neither Persian Santoor nor Trapezoid shows ads.
Which is updated more often, Persian Santoor or Trapezoid?
Persian Santoor ships an update every 39 months, and Trapezoid every 9 days. Most recently, Persian Santoor was updated on October 24, 2026 and Trapezoid on October 24, 2026.

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