# Bark Filter vs Know the Notes

The clearest difference is update cadence: Know the Notes at fortnightly against Bark Filter's every 3 months. Know the Notes also leads on price ($1.99 vs $3.99). Bark Filter's advantage is iOS requirement (12.0 vs 15.1). On ads, in-app purchases and device support there is nothing between them.

Bark Filter costs $3.99 and Know the Notes $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Bark Filter ships an update every 3 months, Know the Notes fortnightly. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Bark Filter | Know the Notes |
| --- | --- | --- |
| Price | $3.99 | **$1.99** |
| Rating | **[4.8 (29 ratings)](https://appshunter.io/ios/app/bark-filter/id1257672871/reviews)** | — |
| Number of ratings | **29** | — |
| Positive reviews | 72.2% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Fortnightly** |
| Monetization | Paid | — |
| Size | 17 MB | 26 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Harry Gohs](https://appshunter.io/developer/382428644) | [DAVID MAYR LERNER](https://appshunter.io/developer/1877367513) |

## What reviewers say

### Bark Filter

[App page](https://appshunter.io/ios/app/bark-filter/id1257672871)

This audio effect processor mimics the human ear's critical band filtering and compression. It offers a multi-band compressor with up to 27 bands for precise audio manipulation and analysis.

**Highlights:** Multi-band dynamic range compressor (up to 27 bands), Variable number of compressor bands, Threshold, Ratio, Attack, Release, Makeup Gain controls, Linear phase precision filters, Real-time spectrum analyzer, AudioUnit (AUv3), Inter-app audio, and Audiobus 3 compatible, Low latency live usage

**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 Bark Filter free?

Bark Filter costs $3.99, with no in-app purchases.

### Is Know the Notes free?

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

### Do Bark Filter or Know the Notes have ads?

Neither Bark Filter nor Know the Notes shows ads.

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

Bark Filter ships an update every 3 months, and Know the Notes fortnightly. Most recently, Bark Filter was updated on October 24, 2026 and Know the Notes on October 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.*