Comparison

SJ vs Beat Maker Studio

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

Head to head
About

SJ

Features
Currently charting
Read full description

SJ-SQUARE is a Super Jupiter–inspired analog polyphonic synthesizer for iPhone. A warm brown chassis and amber glow meet a hands-on module layout: oscillators, filter, envelopes, LFO, and effects — built for playing, not menus. FEATURES • Multi-oscillator panel with wave, octave, and level controls • Filter with resonance, envelope intensity, and key tracking • Filter envelope & amp controls for expressive shaping • LFO, OSC 2 detune / live layer, chorus, delay, and reverb • Unison (1–4 voices), tempo / tap, and scale snap • Full on-screen keyboard with octave shift & range minimap • MIDI input support for external controllers • Built-in presets ready to play • Landscape-optimized performance UI Craft rich pads, biting leads, and stacked unison tones. Tweak cutoff and envelopes in real time, then perform with the keyboard or your MIDI gear. From the maker of KG-SQUARE, JP-SQUARE, and DX-SQUARE — hardware-inspired synth apps for musicians who love hands-on sound design.

About

Beat Maker Studio

Create music and beats with AI assistance. This app offers a simple music studio to craft melodies, record vocals, import sounds, and apply effects. Share your creations with friends and explore various music styles.

Highlights
  • AI beat and melody creation
  • Extensive sound pack library
  • Record vocals and import sounds
  • Real-time sound effect control
  • Drum pad and note placement modes
  • Multiple music style presets
Features
Read full description

Jam Pad — create music and beats with AI, for free! A simple beat maker and music studio: place notes, make beats and melodies, record your voice, import sounds and share your tracks. Making music just got easier. With Jam Pad you can not only create music, but also record your voice, import your own sounds, apply effects and share your projects with friends. Jam Pad makes music creation possible anywhere — and the beats add a special rhythm. Jam Pad is a simple music studio that brings out your musical talent. What's inside: • AI that helps you create beats and melodies in seconds • An extensive library of high-quality, trendy sound packs, samples and loops • Create your own unique compositions and beats • Styles: Trap, Drill, Hip-Hop, Phonk, Chill House, Krush Funk, Lo-Fi, Dubstep, EDM, Future Bass, SynthWave, Deep House, Techno and more • Control sound effects in real time (live mode) • Drum pad mode: create your own beats and melodies by placing notes • Import your own sounds, save your music to your phone or share it on social media • A convenient, intuitive interface — make beats in a few taps • Learning tips and ease of use: a next-generation beat maker • Built-in BPM control for a tighter tempo Simple and functional, Jam Pad is great for professional DJs, beatmakers, music producers and music lovers alike. Create music and make beats anytime, anywhere! Jam Pad is easy for beginners and 100% functional for pros — your pocket beat maker, music maker and AI studio. Terms of Use (EULA): https://uminate.com/terms-ios-en Privacy Policy: https://uminate.com/privacy-ios-en

Screenshots

SJ1 screens
Beat Maker Studio4 screens

Verdict

The call

The clearest difference is price: Beat Maker Studio at Free against SJ's $0.49. Beat Maker Studio also leads on update cadence (every 3 days vs fortnightly) and iOS requirement (16.0 vs 26.5). SJ's advantage is in-app purchases (none vs 13) and ads (none vs shown). On 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

Beat Maker Studio is free to download; SJ costs $0.49 up front. Beat Maker Studio sells 13 in-app purchases, starting at $5.99 per 7 days. SJ asks for nothing beyond the download.

UpkeepUpdate frequency

SJ ships an update fortnightly, Beat Maker Studio every 3 days. Both last shipped on October 29, 2026.

Scorecard6 real differences · 4 level
SJ versus Beat Maker Studio: the parameters behind the verdict, then further details
ParameterSJBeat Maker Studio
Price$0.49Free — better
Rating—1.0 (1 ratings) — better
Number of ratings—1 — better
Update frequencyFortnightlyEvery 3 days — better
AdsNo — betterYes
In-app purchasesNo — betterYes
Monetization—Free with in-app purchases
Best chart rank#192 — better—
DevicesiPhone, iPadiPhone, iPad
Requires iOS26.516.0 — better
Further details — not scored
Size30 MB35 MB
Age rating4+4+
DeveloperKouki YoshimotoStsiapan Maltsau

In-app purchases

None

SJ

No in-app purchases

13 purchases

Beat Maker Studio

Subscriptions2
  • Week Premium3 Days trial$5.997 Days
  • Year Premium$53.991 Year
One-time11
  • Wild Child$2.19
  • Fringe$2.19
  • Amber$2.39
Show 8 more
  • Scurry$2.39
  • Sprout$2.39
  • Sun Road$2.39
  • Dont Cry$2.39
  • Wintery$2.39
  • Handy$2.39
  • Nexus$2.39
  • Psy Duck$2.39

Questions

Is SJ free?
SJ costs $0.49, with no in-app purchases.
Is Beat Maker Studio free?
Beat Maker Studio is free to download, with in-app purchases available.
Do SJ or Beat Maker Studio have ads?
Beat Maker Studio shows ads; SJ does not.
Which is updated more often, SJ or Beat Maker Studio?
SJ ships an update fortnightly, and Beat Maker Studio every 3 days. Most recently, SJ was updated on October 29, 2026 and Beat Maker Studio on October 29, 2026.

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