Comparison

JamCat vs KG

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

Head to head
About

JamCat

This app helps musicians and bands stay organized by managing songs, setlists, and band member information. It offers offline access for gig notes and rehearsal plans, with features for sharing data and collaborating. Users can also import song information and embed videos.

Highlights
  • Song and setlist management
  • Band member collaboration
  • Offline access for gig notes
  • Import song data
  • Embed YouTube videos
  • Tag songs by category
Features
Read full description

JamCat is a free Song Notes and Gig Planning collaboration tool used to keep bands organized. As a working musician or hobbyist, keep track of your multiple bands, songs, song notes, song lists, set lists and tag songs by category. JamCat will replace your music binder on a gig or at rehearsal, help share all info in the band. Find musicians in your area, invite them to bands, and message them. Jam cat is fully offline - so you can go to the gig, and use your notes on your device without being connected to the internet. - Share musical performance data between all band members in each of your bands. - Import from your existing song list in Excel or flat file on JamCatApp.com, then Sync to bring the data to the device. - Create structured set lists for upcoming gigs, with gig-specific performance notes. - Maintain bands, musician profile, songs, notes, song lists, set lists and tags. - Organize your songs in song lists, by tags, or both. - Offline mode. Make changes locally, then sync when you want to share them with the band. - Facebook login supported. - Post comments on songs within your band. - Import song info from iTunes library, then sync the info to the server. - Email out a set of song notes. - Embed a youtube video into the song profile with 2 clicks. - No registration/login required for offline use. - Flag songs in Song lists by color. - Invite new members to your bands and have them gain access to your music data. - In-App purchase: Transpose song chords to any key (ignores lyrics or notes).

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

JamCat4 screens
KG1 screens

Verdict

The call

The clearest difference is in-app purchases: KG at none against JamCat's 1. KG also leads on update cadence (every 3 weeks vs every 3 months). JamCat's advantage is iOS requirement (8.0 vs 26.5). On price, ads 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

Both are free to download. JamCat sells 1 one-off in-app purchase. KG asks for nothing beyond the download.

UpkeepUpdate frequency

JamCat ships an update every 3 months, KG every 3 weeks. The most recent releases landed on October 29, 2026 and October 31, 2026 respectively.

Scorecard3 real differences · 7 level
JamCat versus KG: the parameters behind the verdict, then further details
ParameterJamCatKG
PriceFreeFree
Rating5.0 (1 ratings) — better—
Positive reviews66.7% of reviews—
Number of ratings1 — better—
Update frequencyEvery 3 monthsEvery 3 weeks — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS8.0 — better26.5
Further details — not scored
Size34 MB36 MB
Age rating17+4+
DeveloperAlex AkimovKouki Yoshimoto

In-app purchases

1 purchases

JamCat

One-time1
  • Chord Transpose$0.99
None

KG

No in-app purchases

Questions

Is JamCat free?
JamCat is free to download, with in-app purchases available.
Is KG free?
KG is free to download, with no in-app purchases.
Do JamCat or KG have ads?
Neither JamCat nor KG shows ads.
Which is updated more often, JamCat or KG?
JamCat ships an update every 3 months, and KG every 3 weeks. Most recently, JamCat was updated on October 29, 2026 and KG on October 31, 2026.

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