# Zeeon synth vs Tera Pro

The clearest difference is price: Tera Pro at $6.99 against Zeeon synth's $14.99. Tera Pro also leads on update cadence (every 5 days vs every 2 months) and iOS requirement (12.0 vs 15.6). Zeeon synth's advantage is rating (4.8 vs 4.6) and chart position (#181 vs unranked). On review sentiment, ratings volume, ads and in-app purchases there is nothing between them.

Zeeon synth costs $14.99 and Tera Pro $6.99 up front. Zeeon synth sells 3 one-off in-app purchases and Tera Pro sells 6 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Zeeon synth holds the better App Store score, 4.8 against 4.6. Both are backed by a comparable volume of ratings — 209 and 155 respectively. Written reviews point the same way: 76% of Zeeon synth's written reviews are positive against 69% of Tera Pro's.

Zeeon synth ships an update every 2 months, Tera Pro every 5 days. The most recent releases landed on September 23, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | Zeeon synth | Tera Pro |
| --- | --- | --- |
| Price | $14.99 | **$6.99** |
| Rating | **[4.8 (209 ratings)](https://appshunter.io/ios/app/zeeon-synth/id1230960440/reviews)** | [4.6 (155 ratings)](https://appshunter.io/ios/app/tera-pro/id1578464219/reviews) |
| Number of ratings | **209** | 155 |
| Positive reviews | **75.9% of reviews** | 69.4% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 5 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Best chart rank | **#181** | — |
| Size | 27 MB | 306 MB |
| Requires iOS | 15.6 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [BeepStreet](https://appshunter.io/developer/321412321) | [Harry Gohs](https://appshunter.io/developer/382428644) |

## What reviewers say

### Zeeon synth

[App page](https://appshunter.io/ios/app/zeeon-synth/id1230960440)

**Currently charting:** #181 Top Paid · Music (US App Store)

This app is a virtual analog synthesizer that recreates the sound and feel of classic hardware. It features a detailed circuit-modeling engine, powerful modulation, and multiple filter models for rich, organic soundscapes. Explore a vast array of presets and expand your sonic palette with additional sound banks.

**Highlights:** Circuit-modeling engine, Powerful modulation matrix, Dual oscillators with variable waveforms, Multiple filter models, Built-in effects unit, Audio Unit v3 support, Polyphonic step sequencer

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| OI - Exploration Vol. 1 | $3.99 | one-time |
| BB Z-Space | $4.99 | one-time |
| BB Synthwave | $4.99 | one-time |

**What reviewers like**

- 🎨 Excellent sound quality
- 🎹 Intuitive and well-designed interface
- 🔧 Flexible and deep sound design capabilities
- 💻 Seamless integration as an AUv3 plugin
- 🎚️ Smooth and responsive controls

**What reviewers complain about**

- 🐛 Stability issues, crashes on some devices
- 🔌 Compatibility problems with newer iOS versions
- 📂 Preset management could be improved
- 🔀 Lack of MIDI learn and sequencer features
- 🖥️ UI scaling issues on larger iPad displays

**Reported bugs**

- Preset settings not retained after app restart
- Synth reverts to default settings when reopening Logic Pro project
- Crashes and freezes on certain iOS 14+ devices
- Inability to access in-app purchases from within the app

**Requested features**

- Add MIDI learn functionality
- Implement a more robust preset management system
- Include a built-in sequencer with save/load capabilities
- Improve UI scaling and layout for larger iPad screens
- Provide better integration with inter-app audio and Audiobus


### Tera Pro

[App page](https://appshunter.io/ios/app/tera-pro/id1578464219)

Explore a vast array of sound synthesis methods, from analog emulations to modern digital techniques. Combine modules for unique sonic textures, enhanced by an intelligent interface and realtime visual feedback. Expand your sound palette with additional modules available through in-app purchases.

**Highlights:** Multiple synthesis methods (analog, FM, spectral, additive), Physical modeling and wave shaping, Intelligent user interface with realtime scopes, Flexible module routing, 128-voice polyphony with vintage voice modeling, Seamless sound switching, Extensive preset library

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Library WaveShaper | $0.99 | one-time |
| Module Waves | $5.99 | one-time |
| FM 7 module | $5.99 | one-time |
| Module RingZ | $5.99 | one-time |
| Module BrainZ | $6.99 | one-time |
| Module CloudZ | $9.99 | one-time |

**What reviewers like**

- 🎵 Exceptional sound quality and versatile synthesis capabilities
- 💡 Innovative modular workflow with flexible architecture
- 🎛️ Extensive preset library (1000+ presets)
- 🔧 Powerful sound design tools with multiple synthesis types
- 📱 Available on both iOS and macOS (M1)

**What reviewers complain about**

- 🎮 Steep learning curve and complex UI
- ⌨️ Unconventional on-screen keyboard design
- 🐛 Frequent crashes and stability issues
- 🔊 Dangerously loud output without limiter
- ⚙️ UI elements sometimes unresponsive or laggy

**Reported bugs**

- App crashes on macOS and iOS
- Piano keyboard not appearing
- Wavetable module IAP producing no sound
- In-app purchases disappearing or not activating
- Presets causing white noise or feedback blasts

**Requested features**

- Undo/Redo functionality
- MIDI Panic button (prominent placement)
- Output limiter for safety
- Standard black and white keyboard option
- Favorites/bookmarking system for presets


## Frequently asked questions

### Is Zeeon synth free?

Zeeon synth costs $14.99, and also offers in-app purchases.

### Is Tera Pro free?

Tera Pro costs $6.99, and also offers in-app purchases.

### Which has better reviews, Zeeon synth or Tera Pro?

Zeeon synth is rated higher. Zeeon synth averages 4.8 out of 5 from 209 ratings, while Tera Pro averages 4.6 from 155 ratings.

### Do Zeeon synth or Tera Pro have ads?

Neither Zeeon synth nor Tera Pro shows ads.

### Which is updated more often, Zeeon synth or Tera Pro?

Zeeon synth ships an update every 2 months, and Tera Pro every 5 days. Most recently, Zeeon synth was updated on September 23, 2026 and Tera Pro on September 20, 2026.

---

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