Comparison

KQ Unotone Legacy vs POLYMACHINE

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

Head to head
About

KQ Unotone Legacy

This synthesizer app offers a fun way to create electronic music with adjustable oscillators, a low-pass filter, and a delay effect. It supports advanced audio routing and can also function as an effector for other instruments.

Highlights
  • 2 Oscillators
  • LPF (Low-Pass Filter)
  • Delay effector
  • Ribbon controller
  • Audio Unit v3 support
  • Audiobus support
  • Inter-App Audio support
Features
Read full description

### THIS IS A DEPRECATED PRODUCT. Get KQ Unotone 26 instead. ### If you bought this app recently, you can request a refund. Not just a Toy Synthesizer. Good for make noise. Tweaking knobs is really fun! Double-tap to adjust the knob. - Included: 2 Oscillators, LPF, Delay effector, Ribbon controller - Not included: Envelope Generator - The pitch changes when you tweak Delay Time. - Also acts as a effector. - Audio Unit v3 is supported. - Audiobus is supported. - Inter-App Audio is supported. Attention: You must use either "Instrument" or "Effector" when you connect it via Audiobus or Inter-App Audio. Also Launching the app may be necessary after connection if you use iOS 12.4. Try reducing PEAK or setting FEEDBACK to zero when the sound does not stop or is silent. Delay is not turned off even if TIME is zero. Instead set FEEDBACK to zero.

About

POLYMACHINE

This app offers analog-modeled filters, a vocal chain, and vocal tuning for music production. It aims to be a game-changer for creating music.

Highlights
  • Analog-modeled filters
  • Vocal chain processing
  • Vocal tuning
  • Music production tools
Features
Read full description

Music Production Game Changer, Analog Models of Filters, Vocal Chain and Vocal Tune

Screenshots

KQ Unotone Legacy4 screens
POLYMACHINE4 screens

Verdict

The call

The clearest difference is price: POLYMACHINE at Free against KQ Unotone Legacy's $7.99. POLYMACHINE also leads on update cadence (every 5 days vs every 6 weeks). KQ Unotone Legacy's advantage is rating (4.8 vs 3.5) and in-app purchases (none vs 5). On ratings volume 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

POLYMACHINE is free to download; KQ Unotone Legacy costs $7.99 up front. POLYMACHINE sells 5 one-off in-app purchases. KQ Unotone Legacy asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

KQ Unotone Legacy holds the better App Store score, 4.8 against 3.5. Both are backed by a comparable volume of ratings — 23 and 17 respectively. Written reviews point the same way: 95% of KQ Unotone Legacy's written reviews are positive against 75% of POLYMACHINE's.

UpkeepUpdate frequency

KQ Unotone Legacy ships an update every 6 weeks, POLYMACHINE every 5 days. The most recent releases landed on November 3, 2026 and November 7, 2026 respectively.

Scorecard8 real differences · 2 level
KQ Unotone Legacy versus POLYMACHINE: the parameters behind the verdict, then further details
ParameterKQ Unotone LegacyPOLYMACHINE
Price$7.99Free — better
Rating4.8 (23 ratings) — better3.5 (17 ratings)
Positive reviews94.7% of reviews — better75.0% of reviews
Number of ratings23 — better17
Update frequencyEvery 6 weeksEvery 5 days — better
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationPaidFree with in-app purchases — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS12.0 — better15.0
Further details — not scored
Size4 MB116 MB
Age rating4+4+
DeveloperRyouta KiraMike Gao

Customer experience

KQ Unotone Legacy

All ratings23 ratings
Positive95.7%
Neutral0.0%
Negative4.3%
Written reviews19 reviews
Positive94.7%
Neutral0.0%
Negative5.3%

POLYMACHINE

All ratings17 ratings
Positive64.7%
Neutral0.0%
Negative35.3%
Written reviews8 reviews
Positive75.0%
Neutral0.0%
Negative25.0%

In-app purchases

None

KQ Unotone Legacy

No in-app purchases

5 purchases

POLYMACHINE

One-time5
  • Sound Expansion$1.99
  • Eurorack Sequencer$9.99
  • MIGAMO BRUTUS GERMANIUM$9.99
Show 2 more
  • MIGAMO Filters$12.99
  • Pro Features$34.99

Questions

Is KQ Unotone Legacy free?
KQ Unotone Legacy costs $7.99, with no in-app purchases.
Is POLYMACHINE free?
POLYMACHINE is free to download, with in-app purchases available.
Which has better reviews, KQ Unotone Legacy or POLYMACHINE?
KQ Unotone Legacy is rated higher. KQ Unotone Legacy averages 4.8 out of 5 from 23 ratings, while POLYMACHINE averages 3.5 from 17 ratings.
Do KQ Unotone Legacy or POLYMACHINE have ads?
POLYMACHINE shows ads; KQ Unotone Legacy does not.
Which is updated more often, KQ Unotone Legacy or POLYMACHINE?
KQ Unotone Legacy ships an update every 6 weeks, and POLYMACHINE every 5 days. Most recently, KQ Unotone Legacy was updated on November 3, 2026 and POLYMACHINE on November 7, 2026.

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