Model610 vs NullPerator
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Model610
Control your Sequential Circuits Six-Trak synthesizer with an intuitive interface. Explore new sound possibilities with dedicated modes and manage your patches with cloud backup. Requires a Six-Trak synthesizer and an iOS-compatible MIDI interface.
- Hands-on synthesis parameter control
- MONO and STACK modes
- Built-in patch librarian
- Automatic cloud patch backup
- Easy configuration
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Model610 is an indispensable tool for owners of the Sequential Circuits Six-Trak synthesizers. Features: - Hands on control of all synthesis parameters in an intuitive layout - Special MONO and STACK modes for new sound and performance possibilities - Built in patch librarian for easy patch naming and management - Automatic patch backup to the cloud - Easy configuration via dedicated design. Requirements: - A Sequential Circuits Six-Trak Synthesizer - An iOS capable MIDI interface (or network MIDI solution) - Any iPad running iOS 8.0 or later
NullPerator
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NullPerator brings the focused tracker workflow to iPhone and iPad. Compose patterns, arrange songs, record samples, and play them back through a compact interface designed around the NullPerator hardware. Use the on-screen controls or connect a compatible game controller. Route MIDI, keep projects in the Files app, and continue working without an account. Features: • Tracker composition and playback • Touch controls optimized for portrait and landscape layouts • Compatible game controller input • MIDI routing, including supported Bluetooth MIDI devices • Sample recording through the current iOS audio input • Local project and sample storage through the Files app • iPhone and iPad support Your projects and settings stay on your device. NullPerator does not include advertising, analytics, or account tracking.
Screenshots
Verdict
The clearest difference is price: NullPerator at Free against Model610's $19.99. NullPerator also leads on update cadence (daily vs every 21 months). Model610's advantage is iOS requirement (9.3 vs 17.0). On ads, in-app purchases 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
NullPerator is free to download; Model610 costs $19.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Model610 ships an update every 21 months, NullPerator daily. The most recent releases landed on September 17, 2026 and September 19, 2026 respectively.
| Parameter | Model610 | NullPerator |
|---|---|---|
| Price | $19.99 | Free — better |
| Rating | 4.7 (12 ratings) — better | — |
| Positive reviews | 83.3% of reviews | — |
| Number of ratings | 12 — better | — |
| Update frequency | Every 21 months | Daily — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 9.3 — better | 17.0 |
| Further details — not scored | ||
| Size | 1 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | Bill Mitsakos | 203 Systems |
In-app purchases
Model610
No in-app purchases
NullPerator
No in-app purchases
