# StrumLab Jam vs DelayJaVu

The clearest difference is price: StrumLab Jam at Free against DelayJaVu's $1.99. StrumLab Jam also leads on update cadence (fortnightly vs every 2 months). DelayJaVu's advantage is rating (5.0 vs 1.0) and in-app purchases (none vs 3). On ratings volume and ads there is nothing between them.

StrumLab Jam is free to download; DelayJaVu costs $1.99 up front. StrumLab Jam sells 3 in-app purchases, starting at $2.99 per year. DelayJaVu asks for nothing beyond the download.

DelayJaVu holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

StrumLab Jam ships an update fortnightly, DelayJaVu every 2 months. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | StrumLab Jam | DelayJaVu |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | [1.0 (2 ratings)](https://appshunter.io/ios/app/strumlab-jam/id6747805038/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/delayjavu/id6758399419/reviews)** |
| Number of ratings | **2** | 1 |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 2 months |
| Monetization | **Freemium** | Paid |
| Size | 24 MB | 13 MB |
| Requires iOS | 16.0 | **12.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Gary Harkness](https://appshunter.io/developer/1812698395) | [Rob Jackson](https://appshunter.io/developer/1072346998) |

## What reviewers say

### StrumLab Jam

[App page](https://appshunter.io/ios/app/strumlab-jam/id6747805038)

Enhance your guitar practice with a vast library of YouTube backing tracks. Visualize your fretboard in real-time, filter by genre and key, and receive practice reminders. Unlock over 1000 tracks and advanced features with a premium subscription.

**Highlights:** 100+ free backing tracks, 1000+ premium tracks, Real-time fretboard visualization, Genre, key, and scale filtering, Scheduled practice reminders, Full fretboard view (0-12 frets)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Plan | $2.99 | per year |
| StrumLab Jam Pro | $24.99 | per year |
| StrumLab All Access | $49.99 | per year |


### DelayJaVu

[App page](https://appshunter.io/ios/app/delayjavu/id6758399419)

This audio effect plugin creates a unique stereo reverse delay sound. It captures your dry signal and plays it back in reverse, with independent control over left and right channel delay times, modulation, and stereo spread for creative sound design.

**Highlights:** Stereo reverse delay effect, Independent L/R delay times, Adjustable modulation, Variable stereo spread, AUv3 compatible, Standalone operation

**In-app purchases:** none


## Frequently asked questions

### Is StrumLab Jam free?

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

### Is DelayJaVu free?

DelayJaVu costs $1.99, with no in-app purchases.

### Which has better reviews, StrumLab Jam or DelayJaVu?

DelayJaVu is rated higher. StrumLab Jam averages 1.0 out of 5 from 2 ratings, while DelayJaVu averages 5.0 from 1 ratings.

### Do StrumLab Jam or DelayJaVu have ads?

Neither StrumLab Jam nor DelayJaVu shows ads.

### Which is updated more often, StrumLab Jam or DelayJaVu?

StrumLab Jam ships an update fortnightly, and DelayJaVu every 2 months. Most recently, StrumLab Jam was updated on October 30, 2026 and DelayJaVu on October 31, 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.*