Comparison

Orbit Sampler vs RollTab

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

Head to head
About

Orbit Sampler

Features
Read full description

Orbit is a native iPad and iPhone live-performance sampler built for pads, grooves, and fast ideas. Play a 4Γ—4 pad grid with one-shot, gate, and loop modes. Build patterns on the step sequencer, trim samples on the waveform, shape sound with pitch, filter, and master FX, then record the mix or capture live takes straight to a pad. Designed like booth hardware β€” LCD status, foldable racks, and a full-screen LIVE pads mode for performance β€” without copying any brand’s look or layout. FREE TO PLAY β€’ Full sampler workflow to try and jam β€’ Optional one-time Unlock supports ongoing development (no subscription) PADS & PERFORMANCE β€’ 16 velocity-ready performance pads β€’ One-shot, gate, and toggle-loop playback β€’ Choke groups, mute/solo, quantised triggering β€’ Full-screen LIVE pads for focused playing SEQUENCER & TRANSPORT β€’ 16-step sequencer with banks, scenes, and swing β€’ BPM transport with quantise grids β€’ Note repeat and sequence record SAMPLE TOOLS β€’ Import WAV, AIFF, M4A, MP3 β€’ Waveform trim and pad editing β€’ Pitch, rate, filter, and sends β€’ Master EQ, delay, reverb, and dynamics β€’ Master-mix recording and live sample-in PROJECTS β€’ Autosave and named project library β€’ Built-in starter kit so you can play immediately MIDI β€’ External MIDI control β€’ Bluetooth MIDI controller support Orbit is an original product inspired by the general workflow of hardware performance samplers.

About

RollTab

This app transforms your device into an AI-powered piano partner. It listens to your musical phrases and generates real-time continuations using an advanced on-device AI model. You can control various aspects of the AI's output and export your creations as MIDI files.

Highlights
  • AI piano accompaniment
  • Real-time music generation
  • MIDI keyboard integration
  • Adjustable AI parameters
  • Live piano-roll view
  • MIDI file export
Features
Read full description

RollTab turns your iPhone or iPad into an AI piano partner. Connect a USB or Bluetooth MIDI keyboard, play a phrase, and pause. RollTab continues your performance in real time with a 125M-parameter music model running entirely on your device. β€’ Automatic mode answers after you pause β€’ Explicit mode lets you decide when to generate β€’ Live piano-roll view separates your notes from the AI’s continuation β€’ Adjust temperature, continuation length, timing, and pitch range β€’ Pause, continue, start a new session, and export the result as a MIDI file β€’ No account, cloud processing, or internet connection required A MIDI keyboard is required for live input. You can also generate from silence in Explicit mode. Created by Simon Edwardsson β€” simedw.com

Screenshots

Orbit Sampler4 screens
RollTab1 screens

Verdict

The call

The clearest difference is in-app purchases: RollTab at none against Orbit Sampler's 1. RollTab also leads on update cadence (every 4 days vs every 2 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Both are free to download. Orbit Sampler sells 1 one-off in-app purchase. RollTab asks for nothing beyond the download.

UpkeepUpdate frequency

Orbit Sampler ships an update every 2 weeks, RollTab every 4 days. The most recent releases landed on October 2, 2026 and October 7, 2026 respectively.

Scorecard2 real differences Β· 6 level
Orbit Sampler versus RollTab: the parameters behind the verdict, then further details
ParameterOrbit SamplerRollTab
PriceFreeFree
Positive reviewsβ€”0.0% of reviews
Update frequencyEvery 2 weeksEvery 4 days β€” better
AdsNoNo
In-app purchasesYesNo β€” better
Monetizationβ€”Free
DevicesiPhone, iPadiPhone, iPad
Requires iOS18.018.0
Further details β€” not scored
Size10 MB185 MB
Age rating4+4+
DeveloperLee BaileySimon Edwardsson

In-app purchases

1 purchases

Orbit Sampler

One-time1
  • Unlock Orbit$24.99
None

RollTab

No in-app purchases

Questions

Is Orbit Sampler free?
Orbit Sampler is free to download, with in-app purchases available.
Is RollTab free?
RollTab is free to download, with no in-app purchases.
Do Orbit Sampler or RollTab have ads?
Neither Orbit Sampler nor RollTab shows ads.
Which is updated more often, Orbit Sampler or RollTab?
Orbit Sampler ships an update every 2 weeks, and RollTab every 4 days. Most recently, Orbit Sampler was updated on October 2, 2026 and RollTab on October 7, 2026.

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