# Pure Acid vs Tera Pro

The clearest difference is price: Tera Pro at $6.99 against Pure Acid's $14.99. Tera Pro also leads on update cadence (every 5 days vs every 3 weeks). Pure Acid's advantage is review sentiment (94% vs 69%) and rating (4.9 vs 4.6). On ratings volume, ads, in-app purchases and monetization model there is nothing between them.

Pure Acid costs $14.99 and Tera Pro $6.99 up front. Pure Acid sells 2 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.

Pure Acid holds the better App Store score, 4.9 against 4.6. Both are backed by a comparable volume of ratings — 169 and 154 respectively. Written reviews point the same way: 94% of Pure Acid's written reviews are positive against 69% of Tera Pro's.

Pure Acid ships an update every 3 weeks, Tera Pro every 5 days. The most recent releases landed on October 26, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | Pure Acid | Tera Pro |
| --- | --- | --- |
| Price | $14.99 | **$6.99** |
| Rating | **[4.9 (169 ratings)](https://appshunter.io/ios/app/pure-acid/id1481283602/reviews)** | [4.6 (154 ratings)](https://appshunter.io/ios/app/tera-pro/id1578464219/reviews) |
| Number of ratings | **169** | 154 |
| Positive reviews | **94.1% of reviews** | 69.4% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 5 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Best chart rank | **#67** | — |
| Size | 44 MB | 306 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Dmitrij Pavlov](https://appshunter.io/developer/478154322) | [Harry Gohs](https://appshunter.io/developer/382428644) |

## What reviewers say

### Pure Acid

[App page](https://appshunter.io/ios/app/pure-acid/id1481283602)

**Currently charting:** #67 Top Paid · Music (US App Store)

This app is a high-quality bassline synthesizer and drum machine inspired by classic 80s hardware. It offers a retro analog sound with modern features for fast and fun music creation. Explore various genres with factory presets and create unique rhythms and basslines.

**Highlights:** AUv3, Ableton Link, AudioBus, IAA support, Classic bassline waveforms (Saw, Pulse), Distortion and filter LFO effects, 32-step sequencer with pattern editing, 16 independent drum parts with customizable sounds, Realtime master effects with XY-pad

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ukrainian style color scheme | $4.99 | one-time |
| Ukrainian style app icon | $4.99 | one-time |

**What reviewers like**

- 🚀 Powerful and feature-rich
- 👍 Intuitive and easy to use
- 🎶 Excellent sound quality
- 🎛️ Great sequencing and programming capabilities
- 🔌 Seamless integration with other apps and hardware

**What reviewers complain about**

- 🐛 Occasional audio cutoff or sync issues
- 🔍 Lack of detailed documentation or tutorials
- 🔀 Limitations in pattern length and drum sequencing

**Reported bugs**

- GUI scaling issues on smaller devices
- Crashes or freezes on certain devices

**Requested features**

- Ability to import MIDI files
- Standalone drum machine mode
- Expanded drum sample library
- Knob/parameter automation recording


### 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 Pure Acid free?

Pure Acid 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, Pure Acid or Tera Pro?

Pure Acid is rated higher. Pure Acid averages 4.9 out of 5 from 169 ratings, while Tera Pro averages 4.6 from 154 ratings.

### Do Pure Acid or Tera Pro have ads?

Neither Pure Acid nor Tera Pro shows ads.

### Which is updated more often, Pure Acid or Tera Pro?

Pure Acid ships an update every 3 weeks, and Tera Pro every 5 days. Most recently, Pure Acid was updated on October 26, 2026 and Tera Pro on October 21, 2026.

---

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