SpotRadar vs RollTab
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SpotRadar
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SpotRadar helps you discover live music, events, and local radio-style broadcasts happening around you. Open the app to explore a live map of nearby music activity, see what’s happening in your area, and follow the sounds, people, and places that match your taste. With Spot Radar, you can: Discover nearby live music events on an interactive map Explore local stations and creator broadcasts See what’s playing now and what’s coming up next Follow listeners, stations, and venues you like Preview music and event details before heading out Use location-based discovery to find music happening around you Browse publicly or create an account for a more personalised experience Whether you're looking for a last-minute gig, a new local venue, or the sound of your city in real time, Spot Radar helps you connect with music as it happens. Why people use Spot Radar Spot Radar is built for music fans who want discovery to feel live, local, and social. Instead of scrolling endlessly, you can open the map, see what’s nearby, and start exploring. Account & privacy You can browse parts of the experience publicly, and create an account to unlock personalised features. Location is used to power nearby discovery and improve the relevance of music, stations, and event information shown in the app.
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.
- AI piano accompaniment
- Real-time music generation
- MIDI keyboard integration
- Adjustable AI parameters
- Live piano-roll view
- MIDI file export
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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. • Automatic mode answers after you pause • Explicit mode lets you decide when to generate • Live piano-roll view separates your notes from the AI’s continuation • Adjust temperature, continuation length, timing, and pitch range • Pause, continue, start a new session, and export the result as a MIDI file • 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 — simedw.com
Screenshots
Verdict
The clearest difference is price: RollTab at Free against SpotRadar's $9.99. On ads, in-app purchases, device support and iOS requirement 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
RollTab is free to download; SpotRadar costs $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | SpotRadar | RollTab |
|---|---|---|
| Price | $9.99 | Free — better |
| Rating | — | 2.0 (1 ratings) — better |
| Positive reviews | — | 0.0% of reviews |
| Number of ratings | — | 1 — better |
| Update frequency | — | Every 4 days |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 18.6 | 18.0 — better |
| Further details — not scored | ||
| Size | 20 MB | 185 MB |
| Age rating | 4+ | 4+ |
| Developer | Thomas Richardson | Simon Edwardsson |
In-app purchases
SpotRadar
No in-app purchases
RollTab
No in-app purchases
