Comparison

Alina String Ensemble vs Solo Harmony

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

Head to head
About

Alina String Ensemble

This app is a musical keyboard simulator that recreates the authentic sounds of the Solina String Ensemble from the 1970s. It features a 49-key, 4-octave keyboard with multiple instrument sounds and built-in effects like reverb and modulation.

Highlights
  • Solina String Ensemble sound simulation
  • 6 pre-loaded instruments
  • 49-key, 4-octave keyboard
  • Core MIDI and MIDI compatible
  • Built-in spring reverb effect
  • Adjustable modulation
Features
Read full description

Alina String Ensemble is a musical keyboard application for iPhone/iPad/iPod touch that simulates the Solina String Ensemble. The sound is in reference to Solina String Ensemble (Serial number "SERIES 22, No.0093158”) manufactured by N.V. EMINENT BODEGRAVEN HOLLAND in the 70’s. You are sure to be surprised at the real sound generated from this App. Features: - Pre-loaded with 6 instruments including Viola, Violin, Brass, Horn, Cello, Contra Bass - 49key, 4-octave Keyboards with scrollable - Core MIDI and MIDI compatible - Scrollable Keyboard & dual Keyboards(Only iPad) - BASS tone(Cello, Contra Bass) is assigned on lowest 20 keys - Built-in Reverb that simulates a spring reverb - Modulation that can adjust the rate and depth Special thanks: Jun Kawabata courtesy of AIRPLANE LABEL & Studio Peach Blue Peach

About

Solo Harmony

This app synthesizes harmony parts with your solo singing in real-time. Mix up to five harmony parts using an ad-lib keyboard and adjust pitch for chorus effects. Record and playback synthesized sounds, or use it for karaoke practice.

Highlights
  • Ad-lib Harmony Mix engine
  • Real-time multi-part mixing
  • Subtle pitch shift for chorus effect
  • Recording and playback
  • Input from microphone, files, and other apps
  • Karaoke practice mode
Features
Read full description

Automatically harmonizes with your solo singing. ◆ Equipped with an [Ad-lib Harmony Mix] engine, allowing you to synthesize harmony parts with ad-lib performances while singing. ◆ Use the ad-lib keyboard to mix up to 5 parts simultaneously in real-time. ◆ The subtle pitch shift setting allows you to produce a chorus effect. ◆ Supports recording and playback of synthesized sounds. ◆ Supports not only microphone input, but also recording files and shared files from other apps. ◆ You can mix harmony parts while playing audio files. ◆ Useful for practicing karaoke harmony by playing the original vocals quietly and the harmony parts loudly. ◆ Recorded files can be sent to AirDrop, SNS, etc. as shared files. ● Notes: ・To prevent howling, the app automatically disables the microphone input signal while playing audio files. ・When using Bluetooth earphones, it may not be possible to monitor the sound being recorded.

Screenshots

Alina String Ensemble4 screens
Solo Harmony4 screens

Verdict

The call

The clearest difference is review sentiment: Alina String Ensemble at 52% against Solo Harmony's 33%. Alina String Ensemble also leads on rating (4.2 vs 4.0) and ratings volume (20 vs 3). Solo Harmony's advantage is price ($0.99 vs $3.99). On update cadence, ads, in-app purchases and monetization model 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

Alina String Ensemble costs $3.99 and Solo Harmony $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Alina String Ensemble holds the better App Store score, 4.2 against 4.0. That said, the two scores are not equally well evidenced: Alina String Ensemble has 20 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 52% of Alina String Ensemble's written reviews are positive against 33% of Solo Harmony's.

UpkeepUpdate frequency

Alina String Ensemble ships an update every 4 months, Solo Harmony every 7 months. The most recent releases landed on September 22, 2026 and September 29, 2026 respectively.

Scorecard4 real differences · 6 level
Alina String Ensemble versus Solo Harmony: the parameters behind the verdict, then further details
ParameterAlina String EnsembleSolo Harmony
Price$3.99$0.99 — better
Rating4.2 (20 ratings) — better4.0 (3 ratings)
Positive reviews52.4% of reviews — better33.3% of reviews
Number of ratings20 — better3
Update frequencyEvery 4 months — betterEvery 7 months
AdsNoNo
In-app purchasesNoNo
MonetizationPaidPaid
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS14.013.0 — better
Further details — not scored
Size131 MB1 MB
Age rating4+4+
Developerinsideout ltd.Masanori Katsuta

Customer experience

Alina String Ensemble

All ratings20 ratings
Positive75.0%
Neutral5.0%
Negative20.0%
Written reviews21 reviews
Positive52.4%
Neutral0.0%
Negative47.6%

Solo Harmony

All ratings3 ratings
Positive66.7%
Neutral33.3%
Negative0.0%
Written reviews3 reviews
Positive33.3%
Neutral33.3%
Negative33.3%

In-app purchases

None

Alina String Ensemble

No in-app purchases

None

Solo Harmony

No in-app purchases

Questions

Is Alina String Ensemble free?
Alina String Ensemble costs $3.99, with no in-app purchases.
Is Solo Harmony free?
Solo Harmony costs $0.99, with no in-app purchases.
Which has better reviews, Alina String Ensemble or Solo Harmony?
Alina String Ensemble is rated higher. Alina String Ensemble averages 4.2 out of 5 from 20 ratings, while Solo Harmony averages 4.0 from 3 ratings.
Do Alina String Ensemble or Solo Harmony have ads?
Neither Alina String Ensemble nor Solo Harmony shows ads.
Which is updated more often, Alina String Ensemble or Solo Harmony?
Alina String Ensemble ships an update every 4 months, and Solo Harmony every 7 months. Most recently, Alina String Ensemble was updated on September 22, 2026 and Solo Harmony on September 29, 2026.

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