# iDousyn Lite vs SG X VF

The clearest difference is ads: SG X VF at none against iDousyn Lite's shown. SG X VF also leads on update cadence (monthly vs every 3 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

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

iDousyn Lite ships an update every 3 months, SG X VF monthly. The most recent releases landed on November 1, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | iDousyn Lite | SG X VF |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (700 ratings)](https://appshunter.io/ios/app/idousyn-lite/id992557221/reviews)** | — |
| Number of ratings | **700** | — |
| Positive reviews | 36.4% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | **Monthly** |
| Monetization | Free with in-app purchases | — |
| Size | 67 MB | 251 MB |
| Requires iOS | 15.6 | **14.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Jorge Lozada](https://appshunter.io/developer/421852863) | [Immersive Publishing Ltd.](https://appshunter.io/developer/1540104810) |

## What reviewers say

### iDousyn Lite

[App page](https://appshunter.io/ios/app/idousyn-lite/id992557221)

This app transforms your device into a versatile musical instrument, offering a wide range of high-quality sounds and intuitive tools for creating melodies and harmonies. Explore authentic pianos, basses, guitars, and more with innovative features like Chord Pads and DSP effects.

**Highlights:** 8-Octave Virtual Keyboard, Chord Pads with Strum Options, High-Fidelity Oscillators, DSP Effects (Reverb, Delay, EQ), Dual-Channel Sound Blending, MIDI Controller Support, Export to WAV, AIFF, CAF, M4A

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

**In-app purchases:** none

**What reviewers like**

- 🎵 High quality sounds
- 👍 Well-designed GUI layout

**What reviewers complain about**

- 📢 Excessive ads and pop-ups
- ⏱️ High latency and slow keyboard response
- 🔄 Intrusive review prompts interrupting usage
- 🎹 Instrument switching bug causing audio overlap

**Reported bugs**

- Piano audio continues playing when switching to other instruments
- App locks up until user submits a review
- Frequent pop-ups and ads interrupt functionality

**Requested features**

- Ringtone customization options


### SG X VF

[App page](https://appshunter.io/ios/app/sg-x-vf/id6451489076)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is iDousyn Lite free?

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

### Is SG X VF free?

SG X VF is free to download, with no in-app purchases.

### Do iDousyn Lite or SG X VF have ads?

iDousyn Lite shows ads; SG X VF does not.

### Which is updated more often, iDousyn Lite or SG X VF?

iDousyn Lite ships an update every 3 months, and SG X VF monthly. Most recently, iDousyn Lite was updated on November 1, 2026 and SG X VF on November 7, 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.*