# Patchrat vs Reverb & Delay Calculator

The clearest difference is rating: Reverb & Delay Calculator at 5.0 against Patchrat's 4.1. Reverb & Delay Calculator also leads on review sentiment (100% vs 75%). Patchrat's advantage is in-app purchases (none vs 3) and ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Reverb & Delay Calculator sells 3 in-app purchases, starting at $1.99 per month. Patchrat asks for nothing beyond the download.

Reverb & Delay Calculator holds the better App Store score, 5.0 against 4.1. That said, the two scores are not equally well evidenced: Patchrat has 21 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 75% of Patchrat's written reviews are positive against 100% of Reverb & Delay Calculator's.

Patchrat ships an update every 2 months, Reverb & Delay Calculator every 4 months. The most recent releases landed on October 6, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Patchrat | Reverb & Delay Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.1 (21 ratings)](https://appshunter.io/ios/app/patchrat/id1248185350/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/reverb-and-delay-calculator/id1633634980/reviews)** |
| Number of ratings | **21** | 1 |
| Positive reviews | 75.0% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 2 months** | Every 4 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 48 MB | 12 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Rats Nest Solutions, Inc.](https://appshunter.io/developer/1154532953) | [Quentin Hayot](https://appshunter.io/developer/362648866) |

## What reviewers say

### Patchrat

[App page](https://appshunter.io/ios/app/patchrat/id1248185350)

This app helps music creators manage analog gear settings, manuals, and product specifications. It offers realistic GUIs for recall and a DAW-style workflow, supporting over 975 products from 200+ manufacturers.

**Highlights:** Support for 975+ products, Generic gear profiles, Touch-actuated recall GUIs, DAW-style workflow, Embedded product specs and manuals

**Features:** macOS Compatibility

**In-app purchases:** none


### Reverb & Delay Calculator

[App page](https://appshunter.io/ios/app/reverb-and-delay-calculator/id1633634980)

This music production tool helps users find optimal reverb and delay settings. Input your track's tempo to instantly calculate values for pre-delay, decay, total length, and various delay note types. Streamline your audio mixing process with precise calculations.

**Highlights:** Tempo-based calculations, Reverb pre-delay computation, Reverb decay calculation, Reverb total length, Delay length (note), Delay length (dotted), Delay length (triplet)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $1.99 | per month |
| Pro Friends | Free | one-time |
| Pro Unlimited | $4.99 | one-time |


## Frequently asked questions

### Is Patchrat free?

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

### Is Reverb & Delay Calculator free?

Reverb & Delay Calculator is free to download, with in-app purchases available.

### Which has better reviews, Patchrat or Reverb & Delay Calculator?

Reverb & Delay Calculator is rated higher. Patchrat averages 4.1 out of 5 from 21 ratings, while Reverb & Delay Calculator averages 5.0 from 1 ratings.

### Do Patchrat or Reverb & Delay Calculator have ads?

Reverb & Delay Calculator shows ads; Patchrat does not.

### Which is updated more often, Patchrat or Reverb & Delay Calculator?

Patchrat ships an update every 2 months, and Reverb & Delay Calculator every 4 months. Most recently, Patchrat was updated on October 6, 2026 and Reverb & Delay Calculator on October 13, 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.*