Comparison

Strasser Harmonika vs Accordion Sim

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

Head to head
About

Strasser Harmonika

Experience a realistic simulation of a classical four-row accordion on your iPad. Enjoy high-quality recordings and an authentic button layout designed for experienced musicians. Record and share your musical creations easily.

Highlights
  • Realistic four-row Strasser accordion simulation
  • High-end sound recordings
  • Authentic button spacing
  • Integrated song recording
  • Email sharing of recordings
  • 100% ad-free experience
Read full description

The Strasser accordion app is the only iPad application offering a true-to-life simulation of the classical four-row Strasser accordion. High-end recordings produced by sound engineers at the accordion production facilities and the unmistakable Strasser look make using this app a pleasure. To provide best possible usability, spacing between the buttons is designed to be just like the original instrument, making it especially easy to start playing as an experienced musician. Use the integrated recording option to record your songs and play them back on your device. You can also send your creations via e-mail to share and reuse them as you like. Enjoy the unique sound and feel of an original Strasser accordion, with this 100% ad-free app. Find more information about Strasser and its history at www.harmonika.com - made by BYTEPOETS - www.bytepoets.com -

About

Accordion Sim

Experience the rich and expressive sounds of the accordion with this simulator. It offers authentic sampled sounds, microtonal tuning, transpose adjustment, and reverb effects for a realistic playing experience. Record and share your musical performances.

Highlights
  • Authentic accordion sound sample
  • Microtonal tuning
  • Transpose adjustment
  • Reverb and chorus effects
  • Dynamic key sensitivity
  • Built-in recorder
  • Customizable interface
Features
Read full description

Accordion Sim – Experience the Rich and Expressive Sounds of the Accordion! Step into the world of folk, classical, and contemporary accordion music with Accordion Sim! This app delivers the authentic and high-quality sound of the accordion, offering a realistic and immersive experience for musicians, learners, and enthusiasts. Featuring a carefully sampled single accordion sound, Accordion Sim provides a natural and dynamic playing experience. With advanced features like microtonal tuning, transpose adjustment, reverb effects, chorus mode, and dynamic key sensitivity, Accordion Sim gives you full control over your music, bringing the soulful tones of the accordion to your fingertips. About the Accordion The accordion is a versatile and expressive instrument, widely used in folk, classical, tango, French musette, and contemporary world music. Its rich harmonics and dynamic bellows-driven sound allow musicians to create everything from melodic storytelling to rhythmic dance tunes. Whether playing traditional folk music, vibrant polkas, or heartfelt ballads, the accordion remains one of the most beloved and unique instruments. Why You’ll Love Accordion Sim Authentic Accordion Sound Features a real accordion sound sample, capturing the deep, warm, and expressive character of the instrument. Advanced Features for Enhanced Playability Microtonal Tuning: Adjust pitches for traditional and experimental scales, ideal for world music and custom tuning. Transpose Adjustment: Easily shift keys to match your musical needs or accompany other instruments. Reverb Effects: Add depth and atmosphere to your performance with adjustable reverb. Chorus Mode: Layer your notes with rich harmonies, creating a fuller and more immersive accordion sound. Dynamic Key Sensitivity: Play with natural expression—soft presses produce quieter tones, while harder presses deliver louder, more powerful notes, mimicking the natural feel of bellows dynamics. Customizable Interface Adjust the layout and sensitivity to match your playing style. Whether you’re learning simple melodies, mastering bass accompaniments, or playing full chordal progressions, Accordion Sim adapts effortlessly to your needs. Record Your Performances Capture your accordion music effortlessly with the built-in recorder. Perfect for revisiting practice sessions, composing new pieces, or sharing your performances. Share Your Music Easily share your accordion performances with friends, family, or audiences worldwide, showcasing the expressiveness and vibrancy of this classic instrument. What Makes Accordion Sim Unique? Authentic Sound: Every note replicates the rich, dynamic tones of a real accordion. Innovative Controls: Explore microtonal tuning, transpose settings, reverb effects, and dynamic sensitivity for a fully customizable experience. Elegant Design: A sleek, intuitive interface ensures a seamless experience for musicians of all levels. Creative Freedom: Whether playing folk music, tango, jazz, or cinematic pieces, Accordion Sim offers endless possibilities for musical expression. Download Accordion Sim today and bring the timeless sound of the accordion to your fingertips!

Screenshots

Strasser Harmonika3 screens
Accordion Sim4 screens

Verdict

The call

The clearest difference is rating: Strasser Harmonika at 4.7 against Accordion Sim's 4.2. Strasser Harmonika also leads on ads (none vs shown) and iOS requirement (8.0 vs 12.0). On price, ratings volume, update cadence 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. Strasser Harmonika sells 10 one-off in-app purchases and Accordion Sim sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Strasser Harmonika holds the better App Store score, 4.7 against 4.2. Both are backed by a comparable volume of ratings — 51 and 19 respectively.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on October 21, 2026 and October 28, 2026 respectively.

Scorecard3 real differences · 7 level
Strasser Harmonika versus Accordion Sim: the parameters behind the verdict, then further details
ParameterStrasser HarmonikaAccordion Sim
PriceFreeFree
Rating4.7 (51 ratings) — better4.2 (19 ratings)
Positive reviews88.9% of reviews—
Number of ratings51 — better19
Update frequencyEvery 3 monthsEvery 3 months
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS8.0 — better12.0
Further details — not scored
Size28 MB118 MB
Age rating4++4
DeveloperBYTEPOETS GmbHAlper Kahriman

Customer experience

Strasser Harmonika

All ratings49 ratings
Positive93.9%
Neutral4.1%
Negative2.0%
Written reviews63 reviews
Positive88.9%
Neutral9.5%
Negative1.6%

Accordion Sim

All ratings19 ratings
Positive73.7%
Neutral5.3%
Negative21.1%

Bugs and requests

Strasser Harmonika

Reported bugs

3 issues
  • Cannot download songs or lessons (404 error)
  • Sound cuts out after calls/messages
  • App crashes instantly

Requested features

9 requests
  • Add bass buttons
  • Include more songs to learn
  • Add more basic tutorials
  • Option to choose different accordion sounds
  • Link to ForScore for page turning
Show 4 more
  • Support for Airturn foot pedals
  • Support for iPhone 5
  • Option to play vallenato
  • More separated buttons

Accordion Sim

Not enough reviews yet to summarise bugs or requests.

In-app purchases

10 purchases

Strasser Harmonika

One-time10
  • Ennstaler Polka ++Free
  • Ennstaler Polka +Free
  • Teigitschgrabn WalzerFree
Show 7 more
  • Amboss Polka$0.99
  • Ennstaler Polka$0.99
  • Hammerschmiedgselln$0.99
  • Happy Birthday$0.99
  • Sepperl Boarisch$0.99
  • Ein Prosit$0.99
  • Zillertaler Hochzeitsmarsch$1.99
1 purchases

Accordion Sim

One-time1
  • Get Premium$9.99

Questions

Is Strasser Harmonika free?
Strasser Harmonika is free to download, with in-app purchases available.
Is Accordion Sim free?
Accordion Sim is free to download, with in-app purchases available.
Which has better reviews, Strasser Harmonika or Accordion Sim?
Strasser Harmonika is rated higher. Strasser Harmonika averages 4.7 out of 5 from 51 ratings, while Accordion Sim averages 4.2 from 19 ratings.
Do Strasser Harmonika or Accordion Sim have ads?
Accordion Sim shows ads; Strasser Harmonika does not.
Which is updated more often, Strasser Harmonika or Accordion Sim?
Strasser Harmonika ships an update every 3 months, and Accordion Sim every 3 months. Most recently, Strasser Harmonika was updated on October 21, 2026 and Accordion Sim on October 28, 2026.

Other comparisons