Spiral Chorus vs BPM Meter
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Spiral Chorus
This music effect plugin offers an analog-modeled LCR chorus with touch-friendly controls and immersive 3D visuals. It seamlessly integrates into DAWs for iOS, adding depth and texture to various music productions.
- Analog Modeled LCR Chorus
- Touch-Friendly Controls
- Immersive 3D Visuals
- Versatile Music Application
- Optimized for iOS
- Seamless DAW Integration
Read full descriptionHide full description
FX Forms #001 - Spiral Chorus from Wild Surmise Music, number one in the series of AUv3 FX plugins. Key Features: - Analog Modeled LCR Chorus: Delve into the rich, warm textures of an analog-modeled LCR (Left-Center-Right) chorus effect, bringing a new dimension to your tracks. - Touch-Friendly Controls: With an interface tailored for iOS, Spiral Chorus offers intuitive, touch-friendly controls. Effortlessly sculpt your sound with responsive sliders and xy pads, ensuring a seamless workflow. - Immersive 3D Visuals: Enhance your audio manipulation experience with captivating 3D visuals in the background. - Versatile Application: Whether you're working on dreamy soundscapes, dynamic beats, or cutting-edge experimental sounds, Spiral Chorus adds a layer of depth and texture to your music. - Optimized for iOS: Crafted specifically for the iOS environment, Spiral Chorus ensures a stable, high-performance experience on your favorite devices. 3D Visuals leverage SceneKit and Metal Shaders providing good visual performance on iOS devices. - Seamless Integration: Use Spiral Chorus seamlessly within your favorite DAW as an AUv3 plugin, fitting perfectly into your existing workflow.
BPM Meter
Instantly calculate the beats per minute (BPM) of any song or sound. This tool also provides BPM ranges for half and double tempos, enabling seamless transitions between genres and pace changes for DJs.
- Calculate song BPM
- Determine half tempo BPM
- Determine double tempo BPM
- Seamless genre hopping
- Pace adjustment tool
Read full descriptionHide full description
Our groundbreaking new BPM meter is the latest must have tool for your DJ sets. At the push of a button, our app will calculate the BPM of a song, or sound, and not only give you the current BPM, but will also calculate the BPM ranges for both half that tempo and double the tempo, meaning you can hop genres or change the pace seamlessly without stopping the music!
Screenshots
Verdict
The clearest difference is price: Spiral Chorus at Free against BPM Meter's $2.99. Spiral Chorus also leads on review sentiment (89% vs 80%). BPM Meter's advantage is in-app purchases (none vs 3) and update cadence (fortnightly vs every 15 months). On ads and device support 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
Spiral Chorus is free to download; BPM Meter costs $2.99 up front. Spiral Chorus sells 3 one-off in-app purchases. BPM Meter asks for nothing beyond the download.
Spiral Chorus ships an update every 15 months, BPM Meter fortnightly. The most recent releases landed on September 28, 2026 and September 30, 2026 respectively.
| Parameter | Spiral Chorus | BPM Meter |
|---|---|---|
| Price | Free — better | $2.99 |
| Rating | 5.0 (15 ratings) — better | — |
| Positive reviews | 88.9% of reviews — better | 80.0% of reviews |
| Number of ratings | 15 — better | — |
| Update frequency | Every 15 months | Fortnightly — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free — better | Paid |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 16.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 12 MB | 34 MB |
| Age rating | 4+ | 4+ |
| Developer | Tom Power | Trackwise Media Ltd |
Customer experience
Spiral Chorus
BPM Meter
In-app purchases
Spiral Chorus
- Small Tip$1.99
- Medium Tip$4.99
- Large Tip$9.99
BPM Meter
No in-app purchases








