VisionTempo vs Wave Slicer
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
VisionTempo
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Hello everyone, I am very happy to introduce my new app: VisionTempo!!! Most metronomes currently on the market are constant metronomes. Although they do have features such as gradual increasing tempo and presets, they only cover the most basic needs of practicing. One problem that I had with them was that I was not able to change the time signatures and tempo quick enough in time for my next entry. For example, in the piece Introduction and Rondo Capriccioso, there are many tempo change markings, and it would be physically impossible to reach the controls on a metronome app quick enough as to stay on track with the accompaniment. Because of this, I created this app with the ability to detect hand gestures using AI, which will shift the tempo up or down by 10 beats. This solution is by no means the final product; I am still trying to figure out better ways to use gesture detection with the app (one idea that I currently have is that I can assign certain gestures to toggle between presets; this could enable more accurate tempo changing). But with my one-man R&D team, these features will be implemented slower than commercial companies. Hopefully others musicians will also find this app useful! Have a great day! - James
Wave Slicer
Precisely cut audio samples by zooming to individual waveforms. Apply a full effect chain, draw custom amplitude envelopes, and create seamless loops. Export high-quality WAV files directly from your device.
- Precise waveform editing
- Full effect chain
- Custom amplitude envelopes
- Seamless loop creation
- High-quality WAV export
- Direct microphone recording
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Wave Slicer cuts a sound down to the piece you actually want. Load a track, record something, or send a file to it from anywhere on your phone — then zoom in until you can see the individual samples and cut exactly there. WHAT IT DOES A waveform that stays smooth on a ten-minute file and keeps going down to sample level. Drag the edges of a selection, slide the whole selection along, or draw a new one. Every edge snaps to a zero crossing, so a cut never clicks. A full effect chain that you hear while you turn it. Transpose by semitones, high-pass and low-pass with resonance, tanh saturation, bitcrush and sample rate reduction, echo with feedback, and a reverb that can ring out for eight seconds past the end of the slice. An amplitude envelope you draw by hand. Tap to add a point, drag to move it, bend the curve between two points. The same envelope drawing as the pitch curve in Drum Rack. Fades on both ends, and a loop crossfade that folds the tail over the head so a loop comes round without a seam. Export as a 16 or 24-bit WAV, with TPDF dither on 16-bit. The file lands where you choose to save it, named so you can find it again in a DAW browser. Record straight from the microphone when you want to sample something in the room. Echo cancellation and noise suppression stay off, because those are built for speech and ruin anything worth sampling. Twelve sounds are built in to start with, including two drum loops on the grid, so there is something to cut the moment you open it. WHAT IT DOES NOT DO No account. No sign-in. No advertising. No analytics. No tracking. Audio you load, record or export never leaves your device. The app asks the internet for exactly one thing: a small text file holding the current links shown on the last screen. FROM THE LAB Wave Slicer is part of Lumlux Art Lab, a set of free browser tools for people who make music. The same slicer runs on the website, so you can try it before installing anything. Made in Antwerp by FDR-Sound.
Screenshots
Verdict
The clearest difference is update cadence: Wave Slicer at every 4 days against VisionTempo's every 12 months. Wave Slicer also leads on iOS requirement (15.0 vs 26.0). On price, ads, in-app purchases 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
VisionTempo ships an update every 12 months, Wave Slicer every 4 days. The most recent releases landed on November 8, 2026 and November 6, 2026 respectively.
| Parameter | VisionTempo | Wave Slicer |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Number of ratings | — | 1 — better |
| Update frequency | Every 12 months | Every 4 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Requires iOS | 26.0 | 15.0 — better |
| Further details — not scored | ||
| Size | 2 MB | 20 MB |
| Age rating | 4+ | 4+ |
| Developer | 蓓 姜 | Frank De Rop |
In-app purchases
VisionTempo
No in-app purchases
Wave Slicer
No in-app purchases








