# SPL Graph vs iFretless Bass

The clearest difference is rating: iFretless Bass at 4.4 against SPL Graph's 3.7. iFretless Bass also leads on in-app purchases (none vs 5) and ratings volume (46 vs 3). SPL Graph's advantage is price ($9.99 vs $14.99). On ads, monetization model, device support and iOS requirement there is nothing between them.

SPL Graph costs $9.99 and iFretless Bass $14.99 up front. SPL Graph sells 5 in-app purchases, starting at $19.99 per month. iFretless Bass asks for nothing beyond the download.

iFretless Bass holds the better App Store score, 4.4 against 3.7. That said, the two scores are not equally well evidenced: iFretless Bass has 46 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 78% of iFretless Bass's.

SPL Graph ships an update every 6 months, iFretless Bass every 2 months. Both last shipped on October 20, 2026.

## The numbers

| Metric | SPL Graph | iFretless Bass |
| --- | --- | --- |
| Price | **$9.99** | $14.99 |
| Rating | [3.7 (3 ratings)](https://appshunter.io/ios/app/spl-graph/id307451201/reviews) | **[4.4 (46 ratings)](https://appshunter.io/ios/app/ifretless-bass/id512929963/reviews)** |
| Number of ratings | 3 | **46** |
| Positive reviews | 64.3% of reviews | **77.8% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 2 months** |
| Monetization | Paid | Paid |
| Size | 29 MB | 150 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Andrew Smith](https://appshunter.io/developer/291822462) | [Blue Mangoo Consulting Company Limited](https://appshunter.io/developer/1475107602) |

## 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 |


### iFretless Bass

[App page](https://appshunter.io/ios/app/ifretless-bass/id512929963)

This app offers a virtual fretless bass guitar experience with a unique piano-key-like interface. It captures touch force for dynamic expression and includes a variety of deeply sampled bass sounds. Ideal for musicians seeking a new way to play and record basslines.

**Highlights:** Expressive fretless playing surface, Touch force sensing for dynamics, 13 deeply sampled bass sounds, MIDI input and output, Audio Unit 3 and Audiobus support, MPE multi-channel MIDI support

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 🎶 Realistic and authentic bass sounds
- 🎮 Highly playable and intuitive interface
- 🎛️ Excellent MIDI controller capabilities
- 💡 Innovative touch surface for expression
- ✨ Great value for the price

**What reviewers complain about**

- 🐛 Occasional crashes and stability issues
- 🔊 High DSP usage on some devices
- 🪲 Preset saving and recall issues
- 🚫 Lack of support for certain DAWs (e.g., Logic Pro on iOS)
- 🔊 Unwanted string buzz on some sounds

**Reported bugs**

- App crashes on opening after updates
- Audio Unit integration issues
- Preset saving and recall problems
- DSP usage too high on some devices
- Cracking and feedback in GarageBand EQ

**Requested features**

- Lower notes (e.g., low Bb)
- More string options (e.g., 5-string)
- Additional fret range
- Adjustable layers for resonance, release, and fret noise
- Assigning string tap and atonal mute samples


## Frequently asked questions

### Is SPL Graph free?

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

### Is iFretless Bass free?

iFretless Bass costs $14.99, with no in-app purchases.

### Which has better reviews, SPL Graph or iFretless Bass?

iFretless Bass is rated higher. SPL Graph averages 3.7 out of 5 from 3 ratings, while iFretless Bass averages 4.4 from 46 ratings.

### Do SPL Graph or iFretless Bass have ads?

Neither SPL Graph nor iFretless Bass shows ads.

### Which is updated more often, SPL Graph or iFretless Bass?

SPL Graph ships an update every 6 months, and iFretless Bass every 2 months. Most recently, SPL Graph was updated on October 20, 2026 and iFretless Bass on October 20, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*