# microTERA vs RetroSFX

The clearest difference is update cadence: RetroSFX at every 5 weeks against microTERA's every 4 months. RetroSFX also leads on price ($0.99 vs $1.99). microTERA's advantage is iOS requirement (11.0 vs 15.0). On in-app purchases there is nothing between them.

microTERA costs $1.99 and RetroSFX $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

microTERA ships an update every 4 months, RetroSFX every 5 weeks. The most recent releases landed on October 5, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | microTERA | RetroSFX |
| --- | --- | --- |
| Price | $1.99 | **$0.99** |
| Rating | **[4.9 (8 ratings)](https://appshunter.io/ios/app/microtera/id819266128/reviews)** | — |
| Number of ratings | **8** | — |
| Positive reviews | 81.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | — |
| Update frequency | Every 4 months | **Every 5 weeks** |
| Monetization | Paid | — |
| Size | 24 MB | 133 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | **iPad** | — |
| Age rating | 4+ | 4+ |
| Developer | [Harry Gohs](https://appshunter.io/developer/382428644) | [Ali Taleb](https://appshunter.io/developer/1635037808) |

## What reviewers say

### microTERA

[App page](https://appshunter.io/ios/app/microtera/id819266128)

Explore unique sonic textures with this waveshaping synthesizer. Generate novel sound patches randomly or program them with detailed controls. Includes a variety of built-in effects and advanced sequencing capabilities.

**Highlights:** Waveshaper with user programmable shape, Random sound patch generation, Sequencer with programmable steps, Built-in effects (Chorus, Phaser, Reverb, etc.), Over 150 factory sounds, Audiobus and Ableton Link compatible

**In-app purchases:** none


### RetroSFX

[App page](https://appshunter.io/ios/app/retrosfx/id6761139769)

**In-app purchases:** none


## Frequently asked questions

### Is microTERA free?

microTERA costs $1.99, with no in-app purchases.

### Is RetroSFX free?

RetroSFX costs $0.99, with no in-app purchases.

### Which is updated more often, microTERA or RetroSFX?

microTERA ships an update every 4 months, and RetroSFX every 5 weeks. Most recently, microTERA was updated on October 5, 2026 and RetroSFX on September 25, 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.*