# Oscidia vs Know the Notes

The clearest difference is price: Know the Notes at $1.99 against Oscidia's $7.99. Know the Notes also leads on update cadence (fortnightly vs every 6 weeks). Oscidia's advantage is iOS requirement (13 vs 15.1). On ads, in-app purchases and device support there is nothing between them.

Oscidia costs $7.99 and Know the Notes $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Oscidia ships an update every 6 weeks, Know the Notes fortnightly. The most recent releases landed on October 11, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Oscidia | Know the Notes |
| --- | --- | --- |
| Price | $7.99 | **$1.99** |
| Rating | **[5.0 (12 ratings)](https://appshunter.io/ios/app/oscidia/id6748944379/reviews)** | — |
| Number of ratings | **12** | — |
| Positive reviews | 87.5% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Fortnightly** |
| Monetization | Paid | — |
| Size | 168 MB | 26 MB |
| Requires iOS | **13** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [4Pockets.com](https://appshunter.io/developer/370131860) | [DAVID MAYR LERNER](https://appshunter.io/developer/1877367513) |

## What reviewers say

### Oscidia

[App page](https://appshunter.io/ios/app/oscidia/id6748944379)

This powerful synthesizer app allows iOS users to create a vast array of sounds using multiple oscillators, wavetable synthesis, and advanced modulation options. It features a versatile sequencer with independent arpeggiators and built-in effects for complex sound design.

**Highlights:** 3 Oscillators Per Voice, Wavetable & Additive Synthesis, Morphing & Warping Wavetables, 5 Morphable Filter Types, 3 Independent Arpeggiators, Mod Matrix, Internal Effects Suite

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

**In-app purchases:** none


### Know the Notes

[App page](https://appshunter.io/ios/app/know-the-notes/id6759197678)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Oscidia free?

Oscidia costs $7.99, with no in-app purchases.

### Is Know the Notes free?

Know the Notes costs $1.99, with no in-app purchases.

### Do Oscidia or Know the Notes have ads?

Neither Oscidia nor Know the Notes shows ads.

### Which is updated more often, Oscidia or Know the Notes?

Oscidia ships an update every 6 weeks, and Know the Notes fortnightly. Most recently, Oscidia was updated on October 11, 2026 and Know the Notes on October 2, 2026.

---

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