DelayTool vs BPM Helper
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
DelayTool
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.
- BPM calculator
- Tempo input and tap tempo
- Automatic table updates
- Calculates milliseconds and Hertz
- Supports common musical subdivisions
- Precise delay and oscillator setup
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DelayTool is a simple BPM calculator for producers, engineers, and musicians. Enter or tap the tempo and watch the table of values update automagically. For each common musical subdivision, you will see times (in milliseconds and Hertz) for the current tempo. Just what you need to precisely set up delays and oscillators!
BPM Helper
Instantly discover the tempo of any song by simply tapping along to the beat. The application automatically detects when you stop tapping and displays the calculated BPM.
- Real-time BPM detection
- Automatic result locking
- Simple tap interface
- Instant tempo display
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BPM Helper is the fastest way to find the tempo of any song. Just tap the button on the beat and your BPM appears instantly. Stop tapping and the result locks in automatically.
Screenshots
Verdict
The clearest difference is price: BPM Helper at Free against DelayTool's $0.99. BPM Helper also leads on update cadence (every 4 months vs every 42 months). DelayTool's advantage is rating (5.0 vs 4.5) and in-app purchases (none vs 4). On ratings volume, ads, device support and iOS requirement there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
BPM Helper is free to download; DelayTool costs $0.99 up front. BPM Helper sells 4 one-off in-app purchases. DelayTool asks for nothing beyond the download.
DelayTool holds the better App Store score, 5.0 against 4.5. Both are backed by a comparable volume of ratings — 5 and 8 respectively.
DelayTool ships an update every 42 months, BPM Helper every 4 months. The most recent releases landed on September 18, 2026 and September 24, 2026 respectively.
| Parameter | DelayTool | BPM Helper |
|---|---|---|
| Price | $0.99 | Free — better |
| Rating | 5.0 (5 ratings) — better | 4.5 (8 ratings) |
| Positive reviews | 66.7% of reviews | — |
| Number of ratings | 5 | 8 — better |
| Update frequency | Every 42 months | Every 4 months — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Paid | Free with in-app purchases — better |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 26.0 | 26.0 |
| Further details — not scored | ||
| Size | 2 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | Joel Perry | Igor Rusinov |
Customer experience
DelayTool
BPM Helper
In-app purchases
DelayTool
No in-app purchases
BPM Helper
- Tiny Tip$0.99
- Small Tip$1.99
- Medium Tip$4.99
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- Large Tip$7.99
