# SPL Graph vs MusiKraken

The clearest difference is rating: MusiKraken at 5.0 against SPL Graph's 3.7. MusiKraken also leads on in-app purchases (none vs 5) and review sentiment (97% vs 64%). On price, ads, monetization model and device support there is nothing between them.

SPL Graph costs $9.99 and MusiKraken $9.99 up front. SPL Graph sells 5 in-app purchases, starting at $19.99 per month. MusiKraken asks for nothing beyond the download.

MusiKraken holds the better App Store score, 5.0 against 3.7. That said, the two scores are not equally well evidenced: MusiKraken has 24 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 64% of SPL Graph's written reviews are positive against 97% of MusiKraken's.

SPL Graph ships an update every 6 months, MusiKraken every 4 weeks. The most recent releases landed on October 3, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | SPL Graph | MusiKraken |
| --- | --- | --- |
| Price | $9.99 | $9.99 |
| Rating | [3.7 (3 ratings)](https://appshunter.io/ios/app/spl-graph/id307451201/reviews) | **[5.0 (24 ratings)](https://appshunter.io/ios/app/musikraken/id1538781007/reviews)** |
| Number of ratings | 3 | **24** |
| Positive reviews | 64.3% of reviews | **97.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 4 weeks** |
| Monetization | Paid | Paid |
| Size | 29 MB | 110 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Andrew Smith](https://appshunter.io/developer/291822462) | [Snarp](https://appshunter.io/developer/376179401) |

## What reviewers say

### SPL Graph

[App page](https://appshunter.io/ios/app/spl-graph/id307451201)

This app analyzes sound pressure levels and environmental noise in real-time. It logs audio, captures video, and performs frequency analysis, with options for advanced octave band analysis and professional microphone integration. Receive email notifications for exceeding noise limits and auto-save data for continuous monitoring.

**Highlights:** Real-time sound pressure level analysis, Audio recording and playback, Optional video capture, Octave and 1/3 octave band analysis, 3D frequency plot, Ln SPL value calculation, Email notifications for noise limits

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remote Noise Monitoring | $19.99 | per month |
| Remote Noise Mid Level | $79.99 | per month |
| Remote Noise Large | $149.99 | per month |
| Octave Band SPL Logging | $9.99 | one-time |
| Video Capture Option | $19.99 | one-time |


### MusiKraken

[App page](https://appshunter.io/ios/app/musikraken/id1538781007)

Transform your mobile device into a powerful, customizable MIDI controller. Utilize built-in sensors and connected hardware to create unique musical expressions and control instruments or software. Supports advanced MIDI features and audio unit plugins.

**Highlights:** Modular MIDI controller editor, Device sensor inputs (touch, motion, camera, mic), Connect external devices (game controllers, Apple Watch), MIDI effects and routing, Audio Unit (AUv3) plugin hosting, MIDI 2.0 support, OSC data output

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is SPL Graph free?

SPL Graph costs $9.99, and also offers in-app purchases.

### Is MusiKraken free?

MusiKraken costs $9.99, with no in-app purchases.

### Which has better reviews, SPL Graph or MusiKraken?

MusiKraken is rated higher. SPL Graph averages 3.7 out of 5 from 3 ratings, while MusiKraken averages 5.0 from 24 ratings.

### Do SPL Graph or MusiKraken have ads?

Neither SPL Graph nor MusiKraken shows ads.

### Which is updated more often, SPL Graph or MusiKraken?

SPL Graph ships an update every 6 months, and MusiKraken every 4 weeks. Most recently, SPL Graph was updated on October 3, 2026 and MusiKraken on October 14, 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.*