# BLEASS Flanger vs Know the Notes

The clearest difference is update cadence: Know the Notes at fortnightly against BLEASS Flanger's every 31 months. Know the Notes also leads on price ($1.99 vs $3.99). BLEASS Flanger's advantage is iOS requirement (11.0 vs 15.1). On ads, in-app purchases and device support there is nothing between them.

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

BLEASS Flanger ships an update every 31 months, Know the Notes fortnightly. The most recent releases landed on November 7, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | BLEASS Flanger | Know the Notes |
| --- | --- | --- |
| Price | $3.99 | **$1.99** |
| Rating | **[5.0 (13 ratings)](https://appshunter.io/ios/app/bleass-flanger/id1523985379/reviews)** | — |
| Number of ratings | **13** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 31 months | **Fortnightly** |
| Monetization | Paid | — |
| Size | 27 MB | 26 MB |
| Requires iOS | **11.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [BLEASS](https://appshunter.io/developer/1220444177) | [DAVID MAYR LERNER](https://appshunter.io/developer/1877367513) |

## What reviewers say

### BLEASS Flanger

[App page](https://appshunter.io/ios/app/bleass-flanger/id1523985379)

This audio effect app provides a modern take on classic flanging, offering flexible modulation sources, an envelope generator, and beat synchronization. It allows for complex and evolving timbral movement within your sound, with intuitive controls and efficient CPU usage.

**Highlights:** Flexible LFOs, Envelope generator, Beat synchronization, Variable modulation routing, Multi-mode input filter, Stereo width control

**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 BLEASS Flanger free?

BLEASS Flanger 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 BLEASS Flanger or Know the Notes have ads?

Neither BLEASS Flanger nor Know the Notes shows ads.

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

BLEASS Flanger ships an update every 31 months, and Know the Notes fortnightly. Most recently, BLEASS Flanger was updated on November 7, 2026 and Know the Notes on November 5, 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.*