# DXi FM synthesizer vs Tera Synth

The clearest difference is rating: Tera Synth at 4.8 against DXi FM synthesizer's 4.3. DXi FM synthesizer's advantage is update cadence (every 2 months vs every 4 months) and device support (3 vs 1). On price, review sentiment, ratings volume and ads there is nothing between them.

DXi FM synthesizer costs $1.99 and Tera Synth $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Tera Synth holds the better App Store score, 4.8 against 4.3. Both are backed by a comparable volume of ratings — 19 and 28 respectively. Written reviews complicate that: 88% of DXi FM synthesizer's written reviews are positive against 86% of Tera Synth's, so the app with the better star average is not the one people write more warmly about.

DXi FM synthesizer ships an update every 2 months, Tera Synth every 4 months. Both last shipped on October 22, 2026.

## The numbers

| Metric | DXi FM synthesizer | Tera Synth |
| --- | --- | --- |
| Price | $1.99 | $1.99 |
| Rating | [4.3 (19 ratings)](https://appshunter.io/ios/app/dxi-fm-synthesizer/id370138065/reviews) | **[4.8 (28 ratings)](https://appshunter.io/ios/app/tera-synth/id898308034/reviews)** |
| Number of ratings | 19 | **28** |
| Positive reviews | **87.6% of reviews** | 86.4% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 4 months |
| Monetization | Paid | Paid |
| Size | 5 MB | 36 MB |
| Requires iOS | **8.4** | 12.0 |
| Devices | **iPhone, iPad, iPod** | iPad |
| Age rating | 4+ | 4+ |
| Developer | [Takashi Mizuhiki](https://appshunter.io/developer/370138068) | [Harry Gohs](https://appshunter.io/developer/382428644) |

## What reviewers say

### DXi FM synthesizer

[App page](https://appshunter.io/ios/app/dxi-fm-synthesizer/id370138065)

Create unique sounds and music with this FM synthesizer app inspired by 80s hardware. Explore a variety of parameters to craft special tones and effects, and even record your creations. Includes a bonus 16-step loop sequencer for added musical exploration.

**Highlights:** 4 operator FM synthesis, 8 algorithms, Adjustable operator parameters, Master LPF and Delay effects, 16-step loop sequencer, Audio recording and export, MIDI keyboard support

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

**In-app purchases:** none


### Tera Synth

[App page](https://appshunter.io/ios/app/tera-synth/id898308034)

Create unique sounds beyond traditional synthesizers with a modular analog and digital synthesis workstation. Combine physical modeling, wireless patching, and built-in effects for a fat, individual sound. Features a programmable arpeggiator and live playing options.

**Highlights:** Modular analog and digital synthesis, Physical modeling modules, Wireless patching and modulation routing, Built-in distortion, delay, chorus, phaser, and reverb effects, Programmable arpeggiator, Live playing with onscreen keyboard and MIDI support, Audiobus and Inter-App-Audio integration

**In-app purchases:** none


## Frequently asked questions

### Is DXi FM synthesizer free?

DXi FM synthesizer costs $1.99, with no in-app purchases.

### Is Tera Synth free?

Tera Synth costs $1.99, with no in-app purchases.

### Which has better reviews, DXi FM synthesizer or Tera Synth?

Tera Synth is rated higher. DXi FM synthesizer averages 4.3 out of 5 from 19 ratings, while Tera Synth averages 4.8 from 28 ratings.

### Do DXi FM synthesizer or Tera Synth have ads?

Neither DXi FM synthesizer nor Tera Synth shows ads.

### Which is updated more often, DXi FM synthesizer or Tera Synth?

DXi FM synthesizer ships an update every 2 months, and Tera Synth every 4 months. Most recently, DXi FM synthesizer was updated on October 22, 2026 and Tera Synth on October 22, 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.*