# Jam Synth vs Viking Synth

The clearest difference is price: Jam Synth at Free against Viking Synth's $3.99. Jam Synth also leads on rating (5.0 vs 4.7) and review sentiment (84% vs 71%). Viking Synth's advantage is in-app purchases (none vs 4). On ratings volume, update cadence, ads and device support there is nothing between them.

Jam Synth is free to download; Viking Synth costs $3.99 up front. Jam Synth sells 4 one-off in-app purchases. Viking Synth asks for nothing beyond the download.

Jam Synth holds the better App Store score, 5.0 against 4.7. Both are backed by a comparable volume of ratings — 28 and 42 respectively. Written reviews point the same way: 84% of Jam Synth's written reviews are positive against 71% of Viking Synth's.

Both ship on a similar rhythm, roughly every 4 months. The most recent releases landed on October 6, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Jam Synth | Viking Synth |
| --- | --- | --- |
| Price | **Free** | $3.99 |
| Rating | **[5.0 (28 ratings)](https://appshunter.io/ios/app/jam-synth/id732618765/reviews)** | [4.7 (42 ratings)](https://appshunter.io/ios/app/viking-synth/id1085274012/reviews) |
| Number of ratings | 28 | **42** |
| Positive reviews | **84.2% of reviews** | 71.2% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 months | Every 4 months |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 5 MB | 11 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Derek Mesecar](https://appshunter.io/developer/505825864) | [Blamsoft, Inc.](https://appshunter.io/developer/1051938244) |

## What reviewers say

### Jam Synth

[App page](https://appshunter.io/ios/app/jam-synth/id732618765)

Transform your guitar into a synthesizer with this app. It accurately tracks pitch and amplitude to control digital oscillators, offering unique synth leads and effects. Go beyond MIDI with expressive, organic sounds and advanced modulation options.

**Highlights:** Monophonic guitar synthesizer, Pitch and amplitude tracking, Multiple oscillator wave shapes, Dynamic filter tracking, Advanced FX section (LFO, Delay, Harmonizer, etc.), MIDI output for external synths, High-accuracy pitch tuner

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Intelligent Harmonizer | Free | one-time |
| Rotary Vibe | Free | one-time |
| Rainbows | Free | one-time |
| Time Stopper | Free | one-time |


### 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


## Frequently asked questions

### Is Jam Synth free?

Jam Synth is free to download, with in-app purchases available.

### Is Viking Synth free?

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

### Which has better reviews, Jam Synth or Viking Synth?

Jam Synth is rated higher. Jam Synth averages 5.0 out of 5 from 28 ratings, while Viking Synth averages 4.7 from 42 ratings.

### Do Jam Synth or Viking Synth have ads?

Neither Jam Synth nor Viking Synth shows ads.

### Which is updated more often, Jam Synth or Viking Synth?

Jam Synth ships an update every 4 months, and Viking Synth every 4 months. Most recently, Jam Synth was updated on October 6, 2026 and Viking Synth on October 12, 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.*