# Sampledex Effect Shift vs Roboto AUv3 Singing Synth

Sampledex Effect Shift and Roboto AUv3 Singing Synth are too close to call on the numbers: across 6 compared parameters — price, ads, in-app purchases and monetization model among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Sampledex Effect Shift | Roboto AUv3 Singing Synth |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/sampledex-effect-shift/id6817936787/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | — | 33.3% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 9 days |
| Monetization | Free | Free |
| Size | 13 MB | 18 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Robert Clemons](https://appshunter.io/developer/1896689099) | [DiscoDSP LLC](https://appshunter.io/developer/1465262828) |

## What reviewers say

### Sampledex Effect Shift

[App page](https://appshunter.io/ios/app/sampledex-effect-shift/id6817936787)

This app offers a versatile audio effects suite with 50 distinct effects, seven macro controls, and a seven-band EQ. Shape sounds with various parameters, explore factory presets, and integrate into your music workflow via AUv3 extension or live input processing.

**Highlights:** 50 effect choices, Seven hands-on macro controls, Seven-band Bender EQ, 51 factory presets, AUv3 audio effect extension, Live input processing, EQ A/B comparison

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

**In-app purchases:** none


### Roboto AUv3 Singing Synth

[App page](https://appshunter.io/ios/app/roboto-auv3-singing-synth/id6818868674)

Create synthesized singing voices by drawing melodies and typing lyrics. Offers ten distinct voice presets, extensive vocal parameter control, and automation curves. Export your creations as WAV audio or MIDI files.

**Highlights:** Piano roll melody editor, Lyric input per note, Ten voice presets, Vocal parameter automation, WAV audio export, MIDI file export, AUv3 and standalone support

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

**In-app purchases:** none


## Frequently asked questions

### Is Sampledex Effect Shift free?

Sampledex Effect Shift is free to download, with no in-app purchases.

### Is Roboto AUv3 Singing Synth free?

Roboto AUv3 Singing Synth is free to download, with no in-app purchases.

### Do Sampledex Effect Shift or Roboto AUv3 Singing Synth have ads?

Neither Sampledex Effect Shift nor Roboto AUv3 Singing Synth shows ads.

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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.*