# Locus vs Oktopus Synthesizer

The clearest difference is update cadence: Oktopus Synthesizer at every 5 days against Locus's every 2 weeks. Oktopus Synthesizer also leads on ratings volume (12 vs 2) and iOS requirement (15 vs 17.6). Locus's advantage is rating (5.0 vs 4.8) and price ($3.99 vs $4.99). On ads, in-app purchases, monetization model and device support there is nothing between them.

Locus costs $3.99 and Oktopus Synthesizer $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Locus holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Oktopus Synthesizer has 12 ratings behind it against 2, so its average is the more settled of the two.

Locus ships an update every 2 weeks, Oktopus Synthesizer every 5 days. Both last shipped on October 24, 2026.

## The numbers

| Metric | Locus | Oktopus Synthesizer |
| --- | --- | --- |
| Price | **$3.99** | $4.99 |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/locus/id6785296998/reviews)** | [4.8 (12 ratings)](https://appshunter.io/ios/app/oktopus-synthesizer/id6790597981/reviews) |
| Number of ratings | 2 | **12** |
| Positive reviews | — | 90.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 5 days** |
| Monetization | Paid | Paid |
| Size | 15 MB | 111 MB |
| Requires iOS | 17.6 | **15** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Joe Topjian](https://appshunter.io/developer/1860697112) | [Vyacheslav Koristov](https://appshunter.io/developer/6784900754) |

## What reviewers say

### Locus

[App page](https://appshunter.io/ios/app/locus/id6785296998)

This app generates evolving melodic MIDI sequences for electronic music production. It offers thirteen generative archetypes and extensive editing capabilities, allowing users to create unique musical ideas and arrange them into full compositions. It functions as a standalone application or an AUv3 MIDI effect within compatible hosts.

**Highlights:** Generative MIDI sequencing, 13 unique generative archetypes, Seed-derived, reproducible patterns, Evolve, Feel, and Edit controls, Per-note slides with 303-style legato, 25 scales and snap-to-scale pitch, Standalone and AUv3 MIDI effect

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Oktopus Synthesizer

[App page](https://appshunter.io/ios/app/oktopus-synthesizer/id6790597981)

This powerful iOS synthesizer and AUv3 extension allows for deep sound design and music creation. Shape sounds with 8 synth blocks, combine oscillators and samples, and utilize a flexible effects chain. It functions as a standalone instrument or within compatible DAWs.

**Highlights:** 8-block synth architecture, Oscillator and sample combination, AUv3 instrument support, Sample loading and playback, Flexible effects chain, MPE and MIDI input support, Built-in spectrometer

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Locus free?

Locus costs $3.99, with no in-app purchases.

### Is Oktopus Synthesizer free?

Oktopus Synthesizer costs $4.99, with no in-app purchases.

### Which has better reviews, Locus or Oktopus Synthesizer?

Locus is rated higher. Locus averages 5.0 out of 5 from 2 ratings, while Oktopus Synthesizer averages 4.8 from 12 ratings.

### Do Locus or Oktopus Synthesizer have ads?

Neither Locus nor Oktopus Synthesizer shows ads.

### Which is updated more often, Locus or Oktopus Synthesizer?

Locus ships an update every 2 weeks, and Oktopus Synthesizer every 5 days. Most recently, Locus was updated on October 24, 2026 and Oktopus Synthesizer on October 24, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*