# Elastic OSC vs OkChorale

The clearest difference is price: OkChorale at $1.99 against Elastic OSC's $17.99. OkChorale also leads on in-app purchases (none vs 2) and update cadence (every 3 days vs fortnightly). Elastic OSC's advantage is ratings volume (39 vs 5). On ads, monetization model, device support and iOS requirement there is nothing between them.

Elastic OSC costs $17.99 and OkChorale $1.99 up front. Elastic OSC sells 2 one-off in-app purchases. OkChorale asks for nothing beyond the download.

OkChorale holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Elastic OSC has 39 ratings behind it against 5, so its average is the more settled of the two. Written reviews point the same way: 92% of Elastic OSC's written reviews are positive against 100% of OkChorale's.

Elastic OSC ships an update fortnightly, OkChorale every 3 days. The most recent releases landed on September 23, 2026 and August 25, 2026 respectively.

## The numbers

| Metric | Elastic OSC | OkChorale |
| --- | --- | --- |
| Price | $17.99 | **$1.99** |
| Rating | [4.7 (39 ratings)](https://appshunter.io/ios/app/elastic-osc/id6478936836/reviews) | **[5.0 (5 ratings)](https://appshunter.io/ios/app/okchorale/id6742844149/reviews)** |
| Number of ratings | **39** | 5 |
| Positive reviews | 92.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 3 days** |
| Monetization | Paid | Paid |
| Size | 58 MB | 12 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Oliver Greschke (DE)](https://appshunter.io/developer/505848000) | [Rob Jackson](https://appshunter.io/developer/1072346998) |

## What reviewers say

### Elastic OSC

[App page](https://appshunter.io/ios/app/elastic-osc/id6478936836)

This synthesizer app offers a vast range of sounds inspired by a popular hardware module. It features 24 distinct oscillator models, intuitive XY pads for sound manipulation, and a versatile arpeggiator. Play it with an on-screen or external keyboard for monophonic or polyphonic sound design.

**Highlights:** 24 distinct sound engines based on Plaits DSP, Intuitive XY pads for sound manipulation, Versatile arpeggiator with multiple modes, Integrated help system for all features, DX7 bank and wavetable import, 5 master effects with automations

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Multi LFOs | $3.99 | one-time |
| Unlock MPE for expressive control | $4.99 | one-time |


### OkChorale

[App page](https://appshunter.io/ios/app/okchorale/id6742844149)

This audio effect plugin offers stereo chorus and vibrato inspired by analog stomp boxes. It allows for modulation of delay times to create classic sound effects, with adjustable rate and depth. It can be used standalone or within compatible music production applications.

**Highlights:** Stereo chorus and vibrato effect, Analog stomp box inspiration, Adjustable modulation rate (0.1-10.0 Hz), Adjustable modulation depth, Chorus and Vibrato modes, AUv3 compatible

**In-app purchases:** none


## Frequently asked questions

### Is Elastic OSC free?

Elastic OSC costs $17.99, and also offers in-app purchases.

### Is OkChorale free?

OkChorale costs $1.99, with no in-app purchases.

### Which has better reviews, Elastic OSC or OkChorale?

OkChorale is rated higher. Elastic OSC averages 4.7 out of 5 from 39 ratings, while OkChorale averages 5.0 from 5 ratings.

### Do Elastic OSC or OkChorale have ads?

Neither Elastic OSC nor OkChorale shows ads.

### Which is updated more often, Elastic OSC or OkChorale?

Elastic OSC ships an update fortnightly, and OkChorale every 3 days. Most recently, Elastic OSC was updated on September 23, 2026 and OkChorale on August 25, 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.*