# Viking Synth vs Analog Rack Delay

The clearest difference is price: Analog Rack Delay at Free against Viking Synth's $3.99. Analog Rack Delay also leads on review sentiment (100% vs 71%). Viking Synth's advantage is iOS requirement (12.0 vs 15). On rating, ratings volume, update cadence and ads there is nothing between them.

Analog Rack Delay is free to download; Viking Synth costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 4.7 for Viking Synth against 4.8 for Analog Rack Delay. Both are backed by a comparable volume of ratings — 42 and 32 respectively. Written reviews are what separate them: 71% of Viking Synth's written reviews are positive against 100% of Analog Rack Delay's.

Viking Synth ships an update every 4 months, Analog Rack Delay every 5 months. The most recent releases landed on October 16, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Viking Synth | Analog Rack Delay |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Rating | [4.7 (42 ratings)](https://appshunter.io/ios/app/viking-synth/id1085274012/reviews) | **[4.8 (32 ratings)](https://appshunter.io/ios/app/analog-rack-delay/id1494455748/reviews)** |
| Number of ratings | **42** | 32 |
| Positive reviews | 71.2% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 5 months |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 11 MB | 25 MB |
| Requires iOS | **12.0** | 15 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Blamsoft, Inc.](https://appshunter.io/developer/1051938244) | [Nembrini Audio](https://appshunter.io/developer/1493296895) |

## 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


### Analog Rack Delay

[App page](https://appshunter.io/ios/app/analog-rack-delay/id1494455748)

This audio plugin offers the powerful delay algorithms of Nembrini Audio in a user-friendly package. It features BPM sync, a stereo spread circuit, and a rich analog tube preamp for unique signal coloration. Use it as a standalone app or within other music production software.

**Highlights:** Analog delay algorithms, BPM Sync, Stereo spread circuit, Tube preamp coloration, Standalone app, AudioUnit v3 effect, Inter-App Audio effect

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Viking Synth free?

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

### Is Analog Rack Delay free?

Analog Rack Delay is free to download, with no in-app purchases.

### Which has better reviews, Viking Synth or Analog Rack Delay?

Analog Rack Delay is rated higher. Viking Synth averages 4.7 out of 5 from 42 ratings, while Analog Rack Delay averages 4.8 from 32 ratings.

### Do Viking Synth or Analog Rack Delay have ads?

Neither Viking Synth nor Analog Rack Delay shows ads.

### Which is updated more often, Viking Synth or Analog Rack Delay?

Viking Synth ships an update every 4 months, and Analog Rack Delay every 5 months. Most recently, Viking Synth was updated on October 16, 2026 and Analog Rack Delay on October 13, 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.*