# KASPAR vs Tera Pro

The clearest difference is price: Tera Pro at $6.99 against KASPAR's $19.99. Tera Pro also leads on update cadence (every 5 days vs every 16 months) and device support (3 vs 1). KASPAR's advantage is in-app purchases (none vs 6). On rating, review sentiment, ratings volume and ads there is nothing between them.

KASPAR costs $19.99 and Tera Pro $6.99 up front. Tera Pro sells 6 one-off in-app purchases. KASPAR asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.6 for KASPAR against 4.6 for Tera Pro. Both are backed by a comparable volume of ratings — 91 and 155 respectively. Written reviews are what separate them: 75% of KASPAR's written reviews are positive against 69% of Tera Pro's.

KASPAR ships an update every 16 months, Tera Pro every 5 days. The most recent releases landed on October 6, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | KASPAR | Tera Pro |
| --- | --- | --- |
| Price | $19.99 | **$6.99** |
| Rating | [4.6 (91 ratings)](https://appshunter.io/ios/app/kaspar/id1245045964/reviews) | [4.6 (155 ratings)](https://appshunter.io/ios/app/tera-pro/id1578464219/reviews) |
| Number of ratings | 91 | **155** |
| Positive reviews | **75.0% of reviews** | 69.4% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 16 months | **Every 5 days** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 64 MB | 306 MB |
| Requires iOS | **11.0** | 12.0 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Yonac Inc.](https://appshunter.io/developer/288670023) | [Harry Gohs](https://appshunter.io/developer/382428644) |

## What reviewers say

### KASPAR

[App page](https://appshunter.io/ios/app/kaspar/id1245045964)

This powerful synthesizer app offers 8 polyphonic engines with extensive morphing, layering, and modulation capabilities. Create complex sounds with 24 oscillators, 8 filters, and built-in stereo effects. It integrates seamlessly with DAWs and other music apps.

**Highlights:** 8 polyphonic synth engines, Multi-Engine Automorphing, Extensive modulation system, Poly aftertouch support, 2 stereo FX busses, Audio Unit plugin integration, Inter-App Audio and Audiobus support

**In-app purchases:** none

**What reviewers like**

- ✨ Incredible power and depth
- 🔊 Amazing and unique sound quality
- 👍 Easy to use and intuitive UI
- 💡 Highly configurable and flexible
- 🎛️ Advanced sound shaping possibilities

**What reviewers complain about**

- 🐛 Occasional crashes and instability
- 💻 High CPU usage
- 🐞 Bugs in AUv3 implementation
- 🖼️ UI scaling issues in some DAWs
- 🤔 Presets can be uninspired or limited

**Reported bugs**

- Sound muted in solo mode for some synths
- Synth crashes when loading as AUv3 in Roland Zenbeats
- FX chain not working
- Program change messages not followed as AUv3 in Cubasis internal track
- UI does not scale to full screen in Cubasis 3

**Requested features**

- Add a step sequencer
- Improve preset variety and inspiration
- Fix AUv3 program change issues
- Address UI scaling problems in DAWs
- Implement MIDI out functionality


### 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 KASPAR free?

KASPAR costs $19.99, with no in-app purchases.

### Is Tera Pro free?

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

### Which has better reviews, KASPAR or Tera Pro?

KASPAR and Tera Pro are both rated 4.6 out of 5 on the App Store, from 91 and 155 ratings respectively.

### Do KASPAR or Tera Pro have ads?

Neither KASPAR nor Tera Pro shows ads.

### Which is updated more often, KASPAR or Tera Pro?

KASPAR ships an update every 16 months, and Tera Pro every 5 days. Most recently, KASPAR was updated on October 6, 2026 and Tera Pro on October 4, 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.*