# DOTEC vs QuadroSphere

The clearest difference is rating: QuadroSphere at 5.0 against DOTEC's 4.3. QuadroSphere also leads on review sentiment (100% vs 67%). DOTEC's advantage is price ($9.99 vs $14.99). On ratings volume, update cadence, ads and in-app purchases there is nothing between them.

DOTEC costs $9.99 and QuadroSphere $14.99 up front. Neither carries in-app purchases, so what you see is what you pay.

QuadroSphere holds the better App Store score, 5.0 against 4.3. Both are backed by a comparable volume of ratings — 9 and 10 respectively. Written reviews point the same way: 67% of DOTEC's written reviews are positive against 100% of QuadroSphere's.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on September 21, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | DOTEC | QuadroSphere |
| --- | --- | --- |
| Price | **$9.99** | $14.99 |
| Rating | [4.3 (9 ratings)](https://appshunter.io/ios/app/dotec-audio-deeacid/id6737628611/reviews) | **[5.0 (10 ratings)](https://appshunter.io/ios/app/quadrosphere/id6740915664/reviews)** |
| Number of ratings | 9 | **10** |
| Positive reviews | 66.7% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Monetization | Paid | Paid |
| Size | 17 MB | 18 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [fmfmsoft Corp.](https://appshunter.io/developer/1508747480) | [4Pockets.com](https://appshunter.io/developer/370131860) |

## What reviewers say

### DOTEC

[App page](https://appshunter.io/ios/app/dotec-audio-deeacid/id6737628611)

This music software is an acid bass synthesizer that supports AUv3. It allows for easy creation of bass lines with auto-adjusted overdrive and intuitive MIDI control. Features include a phrase generator, DJ Deck mode, and Ableton Link support for standalone use.

**Highlights:** Acid bass line creation, Intuitive MIDI controller assignments, Phrase generator with rhythm sync, DJ Deck mode for standalone play, Ableton Link support, Visual effects for enhanced experience

**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 DOTEC free?

DOTEC costs $9.99, with no in-app purchases.

### Is QuadroSphere free?

QuadroSphere costs $14.99, with no in-app purchases.

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

QuadroSphere is rated higher. DOTEC averages 4.3 out of 5 from 9 ratings, while QuadroSphere averages 5.0 from 10 ratings.

### Do DOTEC or QuadroSphere have ads?

Neither DOTEC nor QuadroSphere shows ads.

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

DOTEC ships an update every 3 weeks, and QuadroSphere every 3 weeks. Most recently, DOTEC was updated on September 21, 2026 and QuadroSphere on October 1, 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.*