Comparison

FreeSong 2 vs Calliope Sim

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

Head to head
About

FreeSong 2

Create soothing melodies with 11 enchanting tones. This app blends ambient sounds and intelligently generates music to help you relax. It's perfect for all ages, from children to music therapy professionals.

Highlights
  • 11 enchanting tones
  • Ambient background sound mixing
  • Intelligent tone generation
  • Adjustable volume per tone
  • Random tone patterns with tempo control
  • Save favorite loop configurations
  • Key shifting
Features
Read full description

Freesong 2 melds all of the sounds and functionality of Freesong, Freesong Bamboo, and Freesong Koto in one beautiful universal app. 11 enchanting tones to soothe and relax you. Easily create enchanting melodies with no skill at all. Mix ambient background sounds and melt into your zen place while Freesong intelligently generates tones to ease into or out of your day. Tiny fingers love it as well as mothers and music therapy professionals. New features include the ability to rearrange the tones, volume variation on each tone, random tone patterns with tempo control, and the ability to save favorite loop configurations, and key shifting!

About

Calliope Sim

Experience the nostalgic charm of traditional fairgrounds and circuses with this realistic calliope simulator. It offers authentic sounds and advanced features like microtonal tuning and reverb for expressive musical performances. Record and share your creations easily.

Highlights
  • Authentic calliope sound sample
  • Microtonal tuning
  • Transpose adjustment
  • Reverb effects
  • Chorus mode
  • Dynamic key sensitivity
  • Built-in recorder
  • Shareable performances
Features
Read full description

Step into the whimsical world of traditional fairgrounds, circuses, and vintage steam organs with Calliope Sim! This app captures the nostalgic charm and high-quality sound of the calliope, offering a realistic and immersive experience for musicians, learners, and enthusiasts alike. Featuring a carefully sampled single calliope sound, Calliope Sim delivers a playful yet powerful playing experience. With advanced features like microtonal tuning, transpose adjustment, reverb effects, chorus mode, and dynamic key sensitivity, Calliope Sim puts vibrant, expressive music right at your fingertips. About the Calliope The calliope is a unique and cheerful instrument, originally used in steamboats and circuses to draw attention with its bright, piercing tones. Its sound is created by steam or compressed air pushing through tuned whistles, producing a lively and unmistakable voice. From carnival fanfares to vintage melodies, the calliope evokes a sense of celebration and nostalgia. Why You’ll Love Calliope Sim Authentic Calliope Sound Features a real calliope sound sample, capturing the brilliant and festive character of the instrument. Advanced Features for Enhanced Playability Microtonal Tuning: Explore alternative scales and musical traditions with precision pitch adjustments. Transpose Adjustment: Quickly shift keys to match other instruments or suit your vocal range. Reverb Effects: Add atmosphere and space to your performance with customizable reverb. Chorus Mode: Enrich your sound with layered harmonics, enhancing the calliope’s natural brightness. Dynamic Key Sensitivity: Play expressively—light touches create soft whistles, while firm presses produce bold, resonant tones. Customizable Interface Tailor the layout and sensitivity to your style. Whether you're recreating carnival music or composing whimsical soundscapes, Calliope Sim adapts to your creative needs. Record Your Performances Effortlessly capture your music with the built-in recorder—ideal for composing, practicing, or sharing. Share Your Music Easily share your calliope performances with friends, family, or audiences around the world. What Makes Calliope Sim Unique? Authentic Sound: Every note reflects the joyful, dynamic tones of a real calliope. Innovative Controls: Microtonal tuning, reverb, transpose, and dynamic key sensitivity provide full musical freedom. Elegant Design: A sleek and intuitive interface makes the app enjoyable and accessible for everyone. Creative Possibilities: Perfect for circus music, nostalgic themes, experimental tracks, or cinematic scores. Download Calliope Sim today and let the joyful sound of the calliope brighten your musical journey!

Screenshots

FreeSong 24 screens
Calliope Sim4 screens

Verdict

The call

The clearest difference is price: Calliope Sim at Free against FreeSong 2's $0.99. Calliope Sim also leads on ratings volume (4 vs 1). FreeSong 2's advantage is in-app purchases (none vs 1) and ads (none vs shown). On rating, device support and iOS requirement 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

Calliope Sim is free to download; FreeSong 2 costs $0.99 up front. Calliope Sim sells 1 one-off in-app purchase. FreeSong 2 asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for FreeSong 2 against 5.0 for Calliope Sim. Both are backed by a comparable volume of ratings — 1 and 4 respectively.

UpkeepUpdate frequency

FreeSong 2 ships an update every 2 days, Calliope Sim every 3 months. The most recent releases landed on October 11, 2026 and October 24, 2026 respectively.

Scorecard6 real differences · 4 level
FreeSong 2 versus Calliope Sim: the parameters behind the verdict, then further details
ParameterFreeSong 2Calliope Sim
Price$0.99Free — better
Rating5.0 (1 ratings)5.0 (4 ratings)
Positive reviews100.0% of reviews—
Number of ratings14 — better
Update frequencyEvery 2 days — betterEvery 3 months
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationPaidFree with in-app purchases — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS12.212.0 — better
Further details — not scored
Size65 MB114 MB
Age rating4+4+
DeveloperKory FluckigerAlper Kahriman

Customer experience

FreeSong 2

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Calliope Sim

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

FreeSong 2

No in-app purchases

1 purchases

Calliope Sim

One-time1
  • Get Premium$7.99

Questions

Is FreeSong 2 free?
FreeSong 2 costs $0.99, with no in-app purchases.
Is Calliope Sim free?
Calliope Sim is free to download, with in-app purchases available.
Which has better reviews, FreeSong 2 or Calliope Sim?
FreeSong 2 and Calliope Sim are both rated 5.0 out of 5 on the App Store, from 1 and 4 ratings respectively.
Do FreeSong 2 or Calliope Sim have ads?
Calliope Sim shows ads; FreeSong 2 does not.
Which is updated more often, FreeSong 2 or Calliope Sim?
FreeSong 2 ships an update every 2 days, and Calliope Sim every 3 months. Most recently, FreeSong 2 was updated on October 11, 2026 and Calliope Sim on October 24, 2026.

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