# Spike Recorder vs YuJa Engage

The clearest difference is rating: Spike Recorder at 3.4 against YuJa Engage's 3.0. Spike Recorder also leads on ratings volume (17 vs 2). YuJa Engage's advantage is update cadence (every 6 weeks vs every 3 months). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Spike Recorder holds the better App Store score, 3.4 against 3.0. That said, the two scores are not equally well evidenced: Spike Recorder has 17 ratings behind it against 2, so its average is the more settled of the two.

Spike Recorder ships an update every 3 months, YuJa Engage every 6 weeks. The most recent releases landed on November 6, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Spike Recorder | YuJa Engage |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.4 (17 ratings)](https://appshunter.io/ios/app/spike-recorder/id367151200/reviews)** | [3.0 (2 ratings)](https://appshunter.io/ios/app/yuja-engage/id6446036970/reviews) |
| Number of ratings | **17** | 2 |
| Positive reviews | 61.5% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 6 weeks** |
| Monetization | Free | Free |
| Size | 34 MB | 45 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Backyard Brains](https://appshunter.io/developer/367151203) | [YuJa Inc.](https://appshunter.io/developer/987591019) |

## What reviewers say

### Spike Recorder

[App page](https://appshunter.io/ios/app/spike-recorder/id367151200)

This app allows students, educators, and researchers to record and analyze electrical signals from nerves and muscles using compatible hardware. It offers various workspaces for examining data, measuring spike counts, and comparing frequency bands. Users can customize channel settings, create named events, and save recordings for later analysis.

**Highlights:** Record nerve and muscle electrical signals, Save and analyze recordings, Signal, Spike, Events, and Spectrum workspaces, Measure spike counts and rates, Create and mark named events, Customize channel settings and filters, Browse and share saved recordings

**Features:** Vision Pro support

**In-app purchases:** none


### YuJa Engage

[App page](https://appshunter.io/ios/app/yuja-engage/id6446036970)

This student response system integrates with learning management systems to enhance active learning in higher education. It provides instructors with actionable metrics to gauge student comprehension and transform courses.

**Highlights:** LMS integration, Student comprehension insights, Active learning transformation, Actionable instructor metrics, Higher education focus

**In-app purchases:** none


## Frequently asked questions

### Is Spike Recorder free?

Spike Recorder is free to download, with no in-app purchases.

### Is YuJa Engage free?

YuJa Engage is free to download, with no in-app purchases.

### Which has better reviews, Spike Recorder or YuJa Engage?

Spike Recorder is rated higher. Spike Recorder averages 3.4 out of 5 from 17 ratings, while YuJa Engage averages 3.0 from 2 ratings.

### Do Spike Recorder or YuJa Engage have ads?

Neither Spike Recorder nor YuJa Engage shows ads.

### Which is updated more often, Spike Recorder or YuJa Engage?

Spike Recorder ships an update every 3 months, and YuJa Engage every 6 weeks. Most recently, Spike Recorder was updated on November 6, 2026 and YuJa Engage on November 3, 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.*