# TV3 vs QuadroSphere

The clearest difference is update cadence: QuadroSphere at every 3 weeks against TV3's every 10 months. QuadroSphere also leads on review sentiment (100% vs 82%) and iOS requirement (13.0 vs 17.0). TV3's advantage is price ($6.99 vs $7.99). On rating, ratings volume, ads and in-app purchases there is nothing between them.

TV3 costs $6.99 and QuadroSphere $7.99 up front. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 4.9 for TV3 against 5.0 for QuadroSphere. Both are backed by a comparable volume of ratings — 12 and 10 respectively. Written reviews are what separate them: 82% of TV3's written reviews are positive against 100% of QuadroSphere's.

TV3 ships an update every 10 months, QuadroSphere every 3 weeks. The most recent releases landed on September 15, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | TV3 | QuadroSphere |
| --- | --- | --- |
| Price | **$6.99** | $7.99 |
| Rating | [4.9 (12 ratings)](https://appshunter.io/ios/app/tv3-acid-synth/id6740451858/reviews) | **[5.0 (10 ratings)](https://appshunter.io/ios/app/quadrosphere/id6740915664/reviews)** |
| Number of ratings | **12** | 10 |
| Positive reviews | 81.8% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 10 months | **Every 3 weeks** |
| Monetization | Paid | Paid |
| Size | 220 MB | 18 MB |
| Requires iOS | 17.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Imaginando Lda](https://appshunter.io/developer/895445015) | [4Pockets.com](https://appshunter.io/developer/370131860) |

## What reviewers say

### TV3

[App page](https://appshunter.io/ios/app/tv3-acid-synth/id6740451858)

Create iconic acid basslines with this powerful yet user-friendly synthesizer. Inspired by the classic TB-303, it offers dual oscillators, a resonant low-pass filter, versatile distortion, and a pattern generator for endless musical possibilities.

**Highlights:** Dual Oscillators (Square/Sawtooth), 24 dB/oct Low-Pass Filter, Envelope Controls, Versatile Distortion Modes, Quick Sound Randomization, Pattern Generator, MIDI Export

**In-app purchases:** none


### QuadroSphere

[App page](https://appshunter.io/ios/app/quadrosphere/id6740915664)

This audio plugin allows musicians to sculpt immersive soundscapes by controlling stereo placement and effects across four distinct frequency bands. Create dynamic, atmospheric audio with automated movement and morphing between saved settings.

**Highlights:** 4 configurable frequency bands, Control stereo separation, level, and pan per band, Create and morph between 12 snapshots, Modulation control for automated sweeps, Per-band effects (Haas, Delay, Reverb, Chorus, Compressor), Convert mono to pseudo-stereo, MIDI CC control

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is TV3 free?

TV3 costs $6.99, with no in-app purchases.

### Is QuadroSphere free?

QuadroSphere costs $7.99, with no in-app purchases.

### Which has better reviews, TV3 or QuadroSphere?

QuadroSphere is rated higher. TV3 averages 4.9 out of 5 from 12 ratings, while QuadroSphere averages 5.0 from 10 ratings.

### Do TV3 or QuadroSphere have ads?

Neither TV3 nor QuadroSphere shows ads.

### Which is updated more often, TV3 or QuadroSphere?

TV3 ships an update every 10 months, and QuadroSphere every 3 weeks. Most recently, TV3 was updated on September 15, 2026 and QuadroSphere on September 30, 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.*