# BPM Detector vs Spirax

The clearest difference is in-app purchases: Spirax at none against BPM Detector's 13. Spirax also leads on ads (none vs shown). BPM Detector's advantage is update cadence (every 3 days vs every 8 days) and iOS requirement (17.0 vs 26.0). On price and device support there is nothing between them.

Both are free to download. BPM Detector sells 12 in-app purchases, starting at $0.99 per month. Spirax asks for nothing beyond the download.

BPM Detector ships an update every 3 days, Spirax every 8 days. The most recent releases landed on October 18, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | BPM Detector | Spirax |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (265 ratings)](https://appshunter.io/ios/app/bpm-detector-live-tempo/id1566588809/reviews)** | — |
| Number of ratings | **265** | — |
| Positive reviews | 60.8% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 3 days** | Every 8 days |
| Monetization | Free with in-app purchases | — |
| Size | 61 MB | 5 MB |
| Requires iOS | **17.0** | 26.0 |
| Devices | iPhone, Apple Watch | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Quentin Hayot](https://appshunter.io/developer/362648866) | [Jan Feiler](https://appshunter.io/developer/6777787494) |

## What reviewers say

### BPM Detector

[App page](https://appshunter.io/ios/app/bpm-detector-live-tempo/id1566588809)

This application automatically detects the tempo (BPM) of any music or rhythm in real-time using your device's microphone. It offers features like song identification, detection history, and a visual BPM graph for precise timing analysis.

**Highlights:** Automatic BPM detection, Real-time tempo analysis, Shazam song identification, BPM detection history, Fullscreen BPM display, BPM variation graph

**Features:** Apple Watch app, Vision Pro support

**In-app purchases (12)**

| Purchase | Price | Billing |
| --- | --- | --- |
| BPM Detector Pro | $0.99 | per month |
| BPM Detector Pro | $0.99 | per month |
| BPM Detector Pro | $1.99 | per month |
| BPM Detector Pro Weekly | $1.99 | per 7 days |
| BPM Detector Pro Weekly | $2.99 | per 7 days |
| BPM Detector Pro Monthly | $4.99 | per month |
| BPM Detector Pro 4 Friends | Free | one-time |
| BPM Detector Pro Unlimited | $3.99 | one-time |
| BPM Detector Pro Unlimited | $4.99 | one-time |
| BPM Detector Pro Unlimited | $7.99 | one-time |
| BPM Detector Pro Lifetime | $9.99 | one-time |
| BPM Detector Pro Unlimited | $12.99 | one-time |

**What reviewers like**

- 👍 Easy to use and practical
- 🚀 Fast BPM calculation
- 🎶 Shazam integration is a plus
- 💯 Accurate and reliable detection
- ✨ Slick and well-designed interface

**What reviewers complain about**

- 😠 Excessive and intrusive ads
- ⚠️ Inaccurate BPM readings sometimes
- 🤔 Some users feel misled about functionality
- 📱 Not ideal for detecting drum BPMs
- 🚫 Music playback cuts out during detection

**Reported bugs**

- Ads cover screen and won't go away
- Ads get stuck and cannot be exited
- Music cuts out during detection
- Inaccurate BPM for certain genres (e.g., drum and bass)
- App gets hot on iPhone Pro

**Requested features**

- Apple Watch integration
- Ableton Link support
- Dark mode
- Metronome function with click sound
- DJ Tap Tempo feature


### Spirax

[App page](https://appshunter.io/ios/app/spirax/id6777787492)

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

**In-app purchases:** none


## Frequently asked questions

### Is BPM Detector free?

BPM Detector is free to download, with in-app purchases available.

### Is Spirax free?

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

### Do BPM Detector or Spirax have ads?

BPM Detector shows ads; Spirax does not.

### Which is updated more often, BPM Detector or Spirax?

BPM Detector ships an update every 3 days, and Spirax every 8 days. Most recently, BPM Detector was updated on October 18, 2026 and Spirax on October 10, 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.*