# Viking Synth vs TB Lowtone

The clearest difference is price: Viking Synth at $3.99 against TB Lowtone's $9.99. Viking Synth also leads on rating (4.7 vs 4.4) and ratings volume (42 vs 14). TB Lowtone's advantage is review sentiment (85% vs 69%). On update cadence, ads, in-app purchases and monetization model there is nothing between them.

Viking Synth costs $3.99 and TB Lowtone $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Viking Synth holds the better App Store score, 4.7 against 4.4. Both are backed by a comparable volume of ratings — 42 and 14 respectively. Written reviews complicate that: 69% of Viking Synth's written reviews are positive against 85% of TB Lowtone's, so the app with the better star average is not the one people write more warmly about.

Viking Synth ships an update every 4 months, TB Lowtone every 3 months. The most recent releases landed on September 23, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | Viking Synth | TB Lowtone |
| --- | --- | --- |
| Price | **$3.99** | $9.99 |
| Rating | **[4.7 (42 ratings)](https://appshunter.io/ios/app/viking-synth/id1085274012/reviews)** | [4.4 (14 ratings)](https://appshunter.io/ios/app/tb-lowtone/id6448315127/reviews) |
| Number of ratings | **42** | 14 |
| Positive reviews | 69.4% of reviews | **84.6% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 months** |
| Monetization | Paid | Paid |
| Size | 11 MB | 13 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Blamsoft, Inc.](https://appshunter.io/developer/1051938244) | [ToneBoosters](https://appshunter.io/developer/1472446500) |

## 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


### TB Lowtone

[App page](https://appshunter.io/ios/app/tb-lowtone/id6448315127)

This app is an innovative bass synthesizer and AUv3 plugin that uses loudness-domain harmonic synthesis for deeper, more consistent bass sounds. It features multiple oscillators, modulation options, and built-in effects, plus an AI randomizer for creating new patches.

**Highlights:** Loudness-domain harmonic synthesis, 3 analog-simulated oscillators, Voltage-controlled noise synthesizer, AI randomizer for patch generation, Extended LFOs and ADSR envelope, Pro quality effects (reverb, chorus, delay), AUv3 plugin support

**In-app purchases:** none


## Frequently asked questions

### Is Viking Synth free?

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

### Is TB Lowtone free?

TB Lowtone costs $9.99, with no in-app purchases.

### Which has better reviews, Viking Synth or TB Lowtone?

Viking Synth is rated higher. Viking Synth averages 4.7 out of 5 from 42 ratings, while TB Lowtone averages 4.4 from 14 ratings.

### Do Viking Synth or TB Lowtone have ads?

Neither Viking Synth nor TB Lowtone shows ads.

### Which is updated more often, Viking Synth or TB Lowtone?

Viking Synth ships an update every 4 months, and TB Lowtone every 3 months. Most recently, Viking Synth was updated on September 23, 2026 and TB Lowtone on September 9, 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.*