oVerlegato vs Tauscope
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
oVerlegato
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Concept: The app is AUv3 MIDI effect and works as “Legato” effect for MIDI instruments using pitchBend. System Requirements: 1. AUv3 host 2. 3rd-party MIDI instrument that has a functionality of pitchBend. Usage: One important calibration 1. Adjust oVerlegato’s pitchBend range to the same value as the one of destination instrument, otherwise it becomes microtonal. There are two buttons & two sliders. 1. “Legato”: it becomes legato mode only while pushing the button. 2. “Channel”: determines MIDI output channel. 3. “pitchBend range”: oVerlegato’s internal pitchBend range (from 12 to 48).” 4. “Panic!”: sends all noteOff message. When notes are accidentally stacked, push this button while pushing any key of keyboard. The rule of playing legato It needs to sustain the first initial note while pushing “Legato”button until the legato sequence ends. Scheme: oVerlegato (MIDI out) -> 3rd-party instrument
Tauscope
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Tauscope makes sound visible. It expands an incoming audio waveform into three-dimensional space using delay coordinates, and draws its trajectory as a single line. Rather than converting volume into decoration, it visualizes the structure of the signal itself. Input — built-in microphone / audio interface Controls — τ (delay), gain, zoom, spin, trail Display — full-screen mode for live projection Platforms — iPhone / iPad / Mac Made for live projection and studio monitoring. It does not record, store, or transmit audio.
Screenshots
Verdict
The clearest difference is price: Tauscope at $0.99 against oVerlegato's $2.99. oVerlegato's advantage is iOS requirement (12.0 vs 17.0). On 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
oVerlegato costs $2.99 and Tauscope $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | oVerlegato | Tauscope |
|---|---|---|
| Price | $2.99 | $0.99 — better |
| Update frequency | Every 6 months | — |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Requires iOS | 12.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 9 MB | 5 MB |
| Age rating | 4+ | 4+ |
| Developer | Satoshi Kajii | ReNALNE.inc |
In-app purchases
oVerlegato
No in-app purchases
Tauscope
No in-app purchases









