Comparison

AMB vs KG

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

Head to head
About

AMB

This mobile application offers a simplified approach to FM synthesis, allowing users to create a variety of sounds, from crystalline textures to sharp basslines, directly on their device. It's designed for on-the-go sound design and musical exploration.

Highlights
  • Simplified FM synthesis
  • Pocket-sized design
  • Sound shaping
  • Crystalline sound creation
  • Noisy texture generation
  • Sharp bassline creation
Read full description

AMB-R is a simplified and alternate take on FM synthesis that fits snugly in your pocket. Shape crystalline sounds, noisy textures, or sharp basslines anytime and anywhere.

About

KG

Features
Read full description

[From '80s Legend to Modern Era: Put the Feel of Authentic Hardware in Your Hands] "KG-SQUARE" is an analog modeling synthesizer app that packs the aesthetics and intuitive operation of professional hardware into an iPhone-sized format. While inheriting the simplicity of its predecessor, "FX-SQUARE," this version delivers a massive upgrade to both its sound engine and UI. From thick, punchy synth basses to dreamlike, immersive pads, it features a wide range of high-quality tones ready to elevate modern music production. ◆ Key Features Highly Immersive Hardware-Style UI: Designed with lifelike 3D knobs and LED indicators, giving you the professional feel and excitement of tweaking real gear. KAOSS PHYSICS (XY Pad): Simply glide your finger across the right-side pad to dynamically control Cutoff, Resonance, and effects. Create sweeping, space-like tonal shifts in real time as you play. Two Powerful Effects: Equipped with "REVERB" for deep spatial warmth and "DELAY" to add movement to your echoes. Seamlessly blend them using dedicated knobs. Polished Sound Presets: Carefully selected, massive sounds unique to analog modeling, including MP Bass, MP Lead, MP PolySynth, and more. Smooth Playability: Features responsive mini-keys along with screen-edge protection to prevent accidental touches, keeping you focused entirely on your performance. Perfect as a companion synth for music production, on-the-go sound design, or intuitive finger-play performances. Experience the ultimate analog modeling sound today!

Screenshots

AMB4 screens
KG1 screens

Verdict

The call

The clearest difference is iOS requirement: AMB at 17.6 against KG's 26.5. On price, update cadence, 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

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on November 3, 2026 and November 5, 2026 respectively.

Scorecard1 real difference · 9 level
AMB versus KG: the parameters behind the verdict, then further details
ParameterAMBKG
PriceFreeFree
Rating4.3 (3 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings3 — better—
Update frequencyEvery 3 weeksEvery 3 weeks
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhoneiPhone, iPad — better
Requires iOS17.6 — better26.5
Further details — not scored
Size2 MB36 MB
Age rating4+4+
DeveloperJan StrahlbergKouki Yoshimoto

In-app purchases

None

AMB

No in-app purchases

None

KG

No in-app purchases

Questions

Is AMB free?
AMB is free to download, with no in-app purchases.
Is KG free?
KG is free to download, with no in-app purchases.
Do AMB or KG have ads?
Neither AMB nor KG shows ads.
Which is updated more often, AMB or KG?
AMB ships an update every 3 weeks, and KG every 3 weeks. Most recently, AMB was updated on November 3, 2026 and KG on November 5, 2026.

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