# Electron ECHO mini piano vs Mini Synthesizer for iPhone

The clearest difference is review sentiment: Electron ECHO mini piano at 93% against Mini Synthesizer for iPhone's 36%. Electron ECHO mini piano also leads on rating (5.0 vs 4.3) and update cadence (every 2 months vs every 4 months). On ads, in-app purchases, monetization model and device support there is nothing between them.

Electron ECHO mini piano costs $1.99 and Mini Synthesizer for iPhone $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Electron ECHO mini piano holds the better App Store score, 5.0 against 4.3. Both are backed by a comparable volume of ratings — 11 and 3 respectively. Written reviews point the same way: 93% of Electron ECHO mini piano's written reviews are positive against 36% of Mini Synthesizer for iPhone's.

Electron ECHO mini piano ships an update every 2 months, Mini Synthesizer for iPhone every 4 months. The most recent releases landed on October 23, 2026 and November 1, 2026 respectively.

## The numbers

| Metric | Electron ECHO mini piano | Mini Synthesizer for iPhone |
| --- | --- | --- |
| Price | **$1.99** | $2.99 |
| Rating | **[5.0 (11 ratings)](https://appshunter.io/ios/app/electron-echo-mini-piano/id799573588/reviews)** | [4.3 (3 ratings)](https://appshunter.io/ios/app/mini-synthesizer-for-iphone/id1126845803/reviews) |
| Number of ratings | **11** | 3 |
| Positive reviews | **93.3% of reviews** | 35.9% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 4 months |
| Monetization | Paid | Paid |
| Size | 6 MB | 14 MB |
| Requires iOS | **7.0** | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Emil Korngold](https://appshunter.io/developer/799573591) | [Electro-Harmonix](https://appshunter.io/developer/1017393973) |

## What reviewers say

### Electron ECHO mini piano

[App page](https://appshunter.io/ios/app/electron-echo-mini-piano/id799573588)

Experience a simulated musical toy from the 1980s, complete with authentic synthesized sounds and optional battery depletion detuning. Learn classic and modern melodies with a free songbook and enjoy features like reverb and octave shifts.

**Highlights:** Simulated 1980s musical toy, Authentic synthesizer sound, Optional battery depletion detuning, Free songbook with melodies, Reverb effect, Octave down shift, Sub-oscillator for bass tones

**Features:** macOS Compatibility

**In-app purchases:** none


### Mini Synthesizer for iPhone

[App page](https://appshunter.io/ios/app/mini-synthesizer-for-iphone/id1126845803)

This app digitally recreates a classic analog synthesizer, offering vintage sound effects and modern updates. It features intuitive controls for pitch, filters, and delay, allowing for extensive sound customization. Ideal for musicians and enthusiasts seeking authentic analog tones.

**Highlights:** Faithful digital re-creation of a cult-classic analog synthesizer, Vintage synth sounds with modern updates, Intuitive controls with 12 sliders and 9 switches, Extensive sound shaping for pitch, filters, and delay, 25 presets and unlimited user preset storage, Audiobus capabilities

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

**In-app purchases:** none


## Frequently asked questions

### Is Electron ECHO mini piano free?

Electron ECHO mini piano costs $1.99, with no in-app purchases.

### Is Mini Synthesizer for iPhone free?

Mini Synthesizer for iPhone costs $2.99, with no in-app purchases.

### Which has better reviews, Electron ECHO mini piano or Mini Synthesizer for iPhone?

Electron ECHO mini piano is rated higher. Electron ECHO mini piano averages 5.0 out of 5 from 11 ratings, while Mini Synthesizer for iPhone averages 4.3 from 3 ratings.

### Do Electron ECHO mini piano or Mini Synthesizer for iPhone have ads?

Neither Electron ECHO mini piano nor Mini Synthesizer for iPhone shows ads.

### Which is updated more often, Electron ECHO mini piano or Mini Synthesizer for iPhone?

Electron ECHO mini piano ships an update every 2 months, and Mini Synthesizer for iPhone every 4 months. Most recently, Electron ECHO mini piano was updated on October 23, 2026 and Mini Synthesizer for iPhone on November 1, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*