# PolyIvoks Filter vs Oscillator 3

The clearest difference is review sentiment: PolyIvoks Filter at 86% against Oscillator 3's 0%. PolyIvoks Filter also leads on rating (4.7 vs 4.3) and iOS requirement (10.0 vs 13.0). Oscillator 3's advantage is in-app purchases (none vs 1). On price, ratings volume, ads and device support there is nothing between them.

Both are free to download. PolyIvoks Filter sells 1 one-off in-app purchase. Oscillator 3 asks for nothing beyond the download.

PolyIvoks Filter holds the better App Store score, 4.7 against 4.3. Both are backed by a comparable volume of ratings — 21 and 9 respectively. Written reviews point the same way: 86% of PolyIvoks Filter's written reviews are positive against 0% of Oscillator 3's.

## The numbers

| Metric | PolyIvoks Filter | Oscillator 3 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (21 ratings)](https://appshunter.io/ios/app/polyivoks-filter/id1507649629/reviews)** | [4.3 (9 ratings)](https://appshunter.io/ios/app/oscillator-3-triangle/id1570716332/reviews) |
| Number of ratings | **21** | 9 |
| Positive reviews | **85.7% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Fortnightly | — |
| Monetization | Free with in-app purchases | **Free** |
| Size | 17 MB | 15 MB |
| Requires iOS | **10.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [RRS, OOO](https://appshunter.io/developer/1486125568) | [Cooperator Design](https://appshunter.io/developer/1206655266) |

## What reviewers say

### PolyIvoks Filter

[App page](https://appshunter.io/ios/app/polyivoks-filter/id1507649629)

This audio effect plugin emulates the sound of a legendary 1980s Soviet synthesizer filter. It offers stereo output and a range of modulation and envelope controls for creative sound shaping. A demo version is available with limited free play time.

**Highlights:** Standalone and AUv3 plugin, Modeled vintage filter, LFO and envelope modulation, Stereo output, Scalable GUI, Undo/Redo and A/B comparison

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| RRS PolyIvoks Filter Unlimited | $4.99 | one-time |


### Oscillator 3

[App page](https://appshunter.io/ios/app/oscillator-3-triangle/id1570716332)

This app is a triangle wave synthesizer that can be used as an educational tool for learning synthesis or as a creative instrument for generating pure triangle waves. It supports MIDI input and AUv3 integration, allowing layering with other synths for complex sound textures.

**Highlights:** Triangle wave synthesis, MIDI input support, AUv3 integration, Educational synthesis tool, Drone mode for continuous playback, Layering with other synths

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is PolyIvoks Filter free?

PolyIvoks Filter is free to download, with in-app purchases available.

### Is Oscillator 3 free?

Oscillator 3 is free to download, with no in-app purchases.

### Which has better reviews, PolyIvoks Filter or Oscillator 3?

PolyIvoks Filter is rated higher. PolyIvoks Filter averages 4.7 out of 5 from 21 ratings, while Oscillator 3 averages 4.3 from 9 ratings.

### Do PolyIvoks Filter or Oscillator 3 have ads?

Neither PolyIvoks Filter nor Oscillator 3 shows ads.

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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.*