# Viking Synth vs BLEASS Groovebox

The clearest difference is price: BLEASS Groovebox at Free against Viking Synth's $3.99. BLEASS Groovebox also leads on update cadence (every 6 weeks vs every 4 months) and iOS requirement (9.0 vs 12.0). Viking Synth's advantage is in-app purchases (none vs 1) and rating (4.7 vs 4.2). On review sentiment, ratings volume, ads and device support there is nothing between them.

BLEASS Groovebox is free to download; Viking Synth costs $3.99 up front. BLEASS Groovebox sells 1 one-off in-app purchase. Viking Synth asks for nothing beyond the download.

Viking Synth holds the better App Store score, 4.7 against 4.2. Both are backed by a comparable volume of ratings — 41 and 38 respectively. Written reviews point the same way: 71% of Viking Synth's written reviews are positive against 64% of BLEASS Groovebox's.

Viking Synth ships an update every 4 months, BLEASS Groovebox every 6 weeks. The most recent releases landed on October 26, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Viking Synth | BLEASS Groovebox |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Rating | **[4.7 (41 ratings)](https://appshunter.io/ios/app/viking-synth/id1085274012/reviews)** | [4.2 (38 ratings)](https://appshunter.io/ios/app/bleass-groovebox/id1220444178/reviews) |
| Number of ratings | **41** | 38 |
| Positive reviews | **71.2% of reviews** | 64.1% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 6 weeks** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 11 MB | 52 MB |
| Requires iOS | 12.0 | **9.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Blamsoft, Inc.](https://appshunter.io/developer/1051938244) | [BLEASS](https://appshunter.io/developer/1220444177) |

## What reviewers say

### Viking Synth

[App page](https://appshunter.io/ios/app/viking-synth/id1085274012)

This app emulates a classic monophonic analog synthesizer with advanced DSP technology. It features three variable wave oscillators, dual ladder filters, an LFO, and two modulation busses for versatile sound design.  An intuitive interface and extensive preset library make it ideal for creating thick bass and rich lead sounds.

**Highlights:** Three continuously variable wave oscillators, Dual ladder filters (Lowpass/Highpass), Multi-wave LFO, Two modulation busses, Intuitive user interface with expandable controls, 228 presets including Bass, Lead, and Synthwave, State-of-the-art DSP for authentic sound

**In-app purchases:** none

**What reviewers like**

- 🎶 Great sound quality
- 💡 Versatile sound options
- 💰 Excellent value (free)
- 💻 Lightweight and efficient
- 🎹 Good for learning synthesis

**What reviewers complain about**

- ❓ Preset issues
- 🔌 Not a standalone app
- 🐛 Occasional crashes
- 💾 Settings not saving
- 🤷‍♂️ Difficult to find/use

**Reported bugs**

- Presets not showing up
- Presets disappear
- App not showing in AUv3 menu
- Settings not saving after iOS 14 update
- Crashes when opening presets browser

**Requested features**

- More subtle drive mode
- Categorized preset browser
- Polyphony option
- Dark mode
- More apps from developer


### BLEASS Groovebox

[App page](https://appshunter.io/ios/app/bleass-groovebox/id1220444178)

Create, perform, and compose music with this all-in-one beat studio. Features a multitrack sequencer, synthesizers, and drum machines for intuitive beatmaking and sound design. Optimized for both studio and live performance.

**Highlights:** Multitrack sequencer, Monophonic & polyphonic synthesizers, Drum machines, Sample recording and editing, Real-time performance controls, MIDI and Ableton Link support

**Features:** Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Unlock | $4.99 | one-time |


## Frequently asked questions

### Is Viking Synth free?

Viking Synth costs $3.99, with no in-app purchases.

### Is BLEASS Groovebox free?

BLEASS Groovebox is free to download, with in-app purchases available.

### Which has better reviews, Viking Synth or BLEASS Groovebox?

Viking Synth is rated higher. Viking Synth averages 4.7 out of 5 from 41 ratings, while BLEASS Groovebox averages 4.2 from 38 ratings.

### Do Viking Synth or BLEASS Groovebox have ads?

Neither Viking Synth nor BLEASS Groovebox shows ads.

### Which is updated more often, Viking Synth or BLEASS Groovebox?

Viking Synth ships an update every 4 months, and BLEASS Groovebox every 6 weeks. Most recently, Viking Synth was updated on October 26, 2026 and BLEASS Groovebox on October 24, 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.*