# sub808 vs Know the Notes

The clearest difference is price: Know the Notes at $1.99 against sub808's $9.99. Know the Notes also leads on update cadence (fortnightly vs every 6 months). sub808's advantage is iOS requirement (12.0 vs 15.1). On ads, in-app purchases and device support there is nothing between them.

sub808 costs $9.99 and Know the Notes $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

sub808 ships an update every 6 months, Know the Notes fortnightly. The most recent releases landed on September 23, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | sub808 | Know the Notes |
| --- | --- | --- |
| Price | $9.99 | **$1.99** |
| Rating | **[4.2 (10 ratings)](https://appshunter.io/ios/app/sub808/id6475637520/reviews)** | — |
| Number of ratings | **10** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Fortnightly** |
| Monetization | Paid | — |
| Size | 150 MB | 26 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [OSC Audio](https://appshunter.io/developer/1693533681) | [DAVID MAYR LERNER](https://appshunter.io/developer/1877367513) |

## What reviewers say

### sub808

[App page](https://appshunter.io/ios/app/sub808/id6475637520)

Create powerful sub-bass sounds with this intuitive instrument app. Explore analog-inspired flavors, fine-tune saturation, and sculpt your basslines with versatile envelope and shaper controls. Compatible across devices for seamless production.

**Highlights:** 50 Factory Presets, 4 Analog Flavors, 8 Saturation Modes, Filter Cutoff & Glide, Handcrafted Envelope & Shaper, Cross-platform Compatibility

**Features:** 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 sub808 free?

sub808 costs $9.99, with no in-app purchases.

### Is Know the Notes free?

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

### Do sub808 or Know the Notes have ads?

Neither sub808 nor Know the Notes shows ads.

### Which is updated more often, sub808 or Know the Notes?

sub808 ships an update every 6 months, and Know the Notes fortnightly. Most recently, sub808 was updated on September 23, 2026 and Know the Notes on October 2, 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.*