# DelayTool vs Beat Doctor

The clearest difference is chart position: DelayTool at #200 against Beat Doctor's unranked. Beat Doctor's advantage is iOS requirement (16.0 vs 26.0). On price, update cadence, ads and in-app purchases there is nothing between them.

DelayTool costs $0.99 and Beat Doctor $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

DelayTool ships an update every 23 months, Beat Doctor every 17 months. The most recent releases landed on November 1, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | DelayTool | Beat Doctor |
| --- | --- | --- |
| Price | $0.99 | $0.99 |
| Rating | **[5.0 (5 ratings)](https://appshunter.io/ios/app/delaytool-bpm-calculator/id982070192/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 23 months | **Every 17 months** |
| Monetization | Paid | — |
| Best chart rank | **#200** | — |
| Size | 5 MB | 4 MB |
| Requires iOS | 26.0 | **16.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Joel Perry](https://appshunter.io/developer/972887837) | [Michael Geilich](https://appshunter.io/developer/1501113002) |

## What reviewers say

### DelayTool

[App page](https://appshunter.io/ios/app/delaytool-bpm-calculator/id982070192)

**Currently charting:** #200 Top Paid · Music (US App Store)

This application helps musicians and sound engineers calculate precise timing values for musical subdivisions. It automatically updates a table of milliseconds and Hertz based on the entered tempo, ideal for setting up delays and oscillators.

**Highlights:** BPM calculator, Tempo input and tap tempo, Automatic table updates, Calculates milliseconds and Hertz, Supports common musical subdivisions, Precise delay and oscillator setup

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

**In-app purchases:** none


### Beat Doctor

[App page](https://appshunter.io/ios/app/beat-doctor/id1046595763)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is DelayTool free?

DelayTool costs $0.99, with no in-app purchases.

### Is Beat Doctor free?

Beat Doctor costs $0.99, with no in-app purchases.

### Do DelayTool or Beat Doctor have ads?

Neither DelayTool nor Beat Doctor shows ads.

### Which is updated more often, DelayTool or Beat Doctor?

DelayTool ships an update every 23 months, and Beat Doctor every 17 months. Most recently, DelayTool was updated on November 1, 2026 and Beat Doctor on November 6, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*