Comparison

Stereo Speakers vs ScalePlay

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

Head to head
About

Stereo Speakers

Transform two iOS devices into a powerful wireless stereo speaker system. Enjoy enhanced audio for music, podcasts, and more, with adjustable stereo effects and synchronized visuals. Perfect for home, office, or shared listening experiences.

Highlights
  • Wireless stereo speaker system
  • Live audio streaming between devices
  • Adjustable stereo effects (mono, stereo, SuperStereo)
  • Double-display skins with synchronized visuals
  • Volume, skin, player, and effect controls
  • Disco light and vinyl crackle effects
  • Background audio support
Features
Read full description

Create an amazingly sounding wireless stereo speaker system, using a 2nd iPhone or iPad! Ideal for at home, office, or beside your bed. Connect to a friend's device, and enjoy your music together in double-volume. Easy to use: • Have your two devices on the same WiFi network, and your music downloaded in at least one device’s music library • Install and start "Stereo Speakers" on both devices • A stereo welcome message will sound when the wireless connection is established • Select a song or playlist, and... Enjoy true stereo sound! While listening, experience how the two devices become one Stereo Speaker system: • Live audio streaming from one device to the other • Adjustable stereo effect: mono, stereo and SuperStereo • Reversable left/right speaker • Double-display skins with beat-synchronized speakers, graphic equalizer and animated vinyl record player • Volume, skin, player and effect controls apply seamlessly to both iOS devices • Disco light effect • Vinyl record crackle effect • Background audio support with battery-saving auto-shutdown • Free stereo demo song included Enjoy playing and listening! Qneo

About

ScalePlay

This app generates intricate musical patterns and sequences using complex scale theory. It's a powerful tool for both music production and education, offering scale references, virtual instruments, and interactive playback features.

Highlights
  • Generates intricate ostinatos and sequences
  • Applies complex scale patterns
  • User-defined songforms and chord changes
  • Scale references for hundreds of scales
  • Nine virtual instruments and 128 sounds
  • Visualizes scale relations
  • Interactive playback with generated patterns
Features
Read full description

ScalePlay is a generative music app capable of producing the most intricate ostinatos and sequences by applying complex scale patterns over user defined songforms and chord changes. It can be used in music production and is also a fantastic tool for music education. It includes scale references for hundreds of scales, nine virtual instruments and 128 instrument sounds. Its unique set of features allows the musician to visualize scale relations and to play along with generated patterns. Modern musicians often practice playing scales according to organizing principles like thirds. What is meant by that is to play a scale tone, then its third, then the second scale tone, the third on top of that one and so forth. The exercise would result in the scale tones 1, 3, 2, 4, 3, 5, etc. Not an easy feat at first, because before even getting started, one has to know the base scale. Playing patterns through different keys and scale types finally is a demanding task even for advanced musicians. ScalePlay constructs patterns like these and much more complicated ones by using two simple grids. Grids have been around in music apps for years, but they are based on half-tone steps and include all available notes of the spectrum. That leaves one difficulty on the table, namely that of correctly identifying the notes of a scale. These grids also don’t easily allow for patterning as in our scale in thirds. So a different solution is called for and ScalePlay provides just that and so much more. In the application songs are used as metaphor to organize different scale types into a harmonic context. They are constructed with chords which in turn determine what scale types are available at a given time. During playback the app then cycles through these virtual chords or as with TouchPlay allows to call them up at will. This architecture is very helpful for superimposing ScalePlay patterns over existing pieces and even practicing improvising over changes. For practicing ScalePlay shows a pattern's progression on the built-in instrument and also provides a music notation reference. One can slow things down to need and play along. With the pattern lock feature all patterns can be kept in the same general vicinity. So instead of raising all scale tones when a base chord moves from C to G for example, patterns stay in place. This allows guitarists to practice scale patterns over changes while remaining in the same position. ScalePlay is also a fabulous generative music app. That is because of the magic that happens when these self-repeating scale structures are put in motion. Fantastic music occurs. Since ScalePlay supports virtual MIDI and can be recorded into any iOS based DAW. It also features TouchPlay for advanced looping. With TouchPlay scale structures can be looped endlessly and out of order. The TouchPlay environment is superimposed over ScalePlay's main interface and allows live switching between different scale types with the tap of a finger in continuous or full pattern mode. Of course ScalePlay supports multi-app multitasking as well as split-view and split-screen to make this feature even more useful. Instruments • Banjo, Bass, Cello, Double Bass, Guitar, Mandolin, Piano, Viola, Violin Some other Features: • 211 scale types • Virtual MIDI • Advanced looping with TouchPlay • Full general MIDI instrument library

Screenshots

Stereo Speakers3 screens

Verdict

The call

The clearest difference is rating: ScalePlay at 4.9 against Stereo Speakers's 3.2. ScalePlay also leads on update cadence (every 3 months vs every 28 months) and review sentiment (71% vs 54%). Stereo Speakers's advantage is price ($1.99 vs $9.99) and device support (3 vs 1). On ratings volume, 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

Stereo Speakers costs $1.99 and ScalePlay $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

ScalePlay holds the better App Store score, 4.9 against 3.2. Both are backed by a comparable volume of ratings — 6 and 10 respectively. Written reviews point the same way: 54% of Stereo Speakers's written reviews are positive against 71% of ScalePlay's.

UpkeepUpdate frequency

Stereo Speakers ships an update every 28 months, ScalePlay every 3 months. The most recent releases landed on October 21, 2026 and October 10, 2026 respectively.

Scorecard7 real differences · 3 level
Stereo Speakers versus ScalePlay: the parameters behind the verdict, then further details
ParameterStereo SpeakersScalePlay
Price$1.99 — better$9.99
Rating3.2 (6 ratings)4.9 (10 ratings) — better
Positive reviews53.7% of reviews71.4% of reviews — better
Number of ratings610 — better
Update frequencyEvery 28 monthsEvery 3 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree — betterPaid
DevicesiPhone, iPad, iPod — betteriPad
Requires iOS12.4 — better26.0
Further details — not scored
Size38 MB14 MB
Age rating4+4+
DeveloperQneoRoGame Software

Customer experience

Stereo Speakers

All ratings6 ratings
Positive50.0%
Neutral16.7%
Negative33.3%
Written reviews54 reviews
Positive53.7%
Neutral14.8%
Negative31.5%

ScalePlay

All ratings10 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews7 reviews
Positive71.4%
Neutral28.6%
Negative0.0%

In-app purchases

None

Stereo Speakers

No in-app purchases

None

ScalePlay

No in-app purchases

Questions

Is Stereo Speakers free?
Stereo Speakers costs $1.99, with no in-app purchases.
Is ScalePlay free?
ScalePlay costs $9.99, with no in-app purchases.
Which has better reviews, Stereo Speakers or ScalePlay?
ScalePlay is rated higher. Stereo Speakers averages 3.2 out of 5 from 6 ratings, while ScalePlay averages 4.9 from 10 ratings.
Do Stereo Speakers or ScalePlay have ads?
Neither Stereo Speakers nor ScalePlay shows ads.
Which is updated more often, Stereo Speakers or ScalePlay?
Stereo Speakers ships an update every 28 months, and ScalePlay every 3 months. Most recently, Stereo Speakers was updated on October 21, 2026 and ScalePlay on October 10, 2026.

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