# iStroboSoft vs Source Audio Neuro 3

iStroboSoft and Source Audio Neuro 3 both sit at 4.3 stars, but that hides the real split: 76% of iStroboSoft's written reviews are positive against 21% of Source Audio Neuro 3's. iStroboSoft also leads on chart position (#24 vs unranked) and ratings volume (298 vs 51). Source Audio Neuro 3's advantage is price (Free vs $9.99) and in-app purchases (none vs 11). On rating, update cadence, ads and device support there is nothing between them.

Source Audio Neuro 3 is free to download; iStroboSoft costs $9.99 up front. iStroboSoft sells 11 one-off in-app purchases. Source Audio Neuro 3 asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.3 for iStroboSoft against 4.4 for Source Audio Neuro 3. That said, the two scores are not equally well evidenced: iStroboSoft has 298 ratings behind it against 51, so its average is the more settled of the two. Written reviews are what separate them: 76% of iStroboSoft's written reviews are positive against 21% of Source Audio Neuro 3's.

iStroboSoft ships an update fortnightly, Source Audio Neuro 3 every 4 weeks. The most recent releases landed on September 25, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | iStroboSoft | Source Audio Neuro 3 |
| --- | --- | --- |
| Price | $9.99 | **Free** |
| Rating | [4.3 (298 ratings)](https://appshunter.io/ios/app/istrobosoft/id308296029/reviews) | **[4.4 (51 ratings)](https://appshunter.io/ios/app/source-audio-neuro-3/id968227110/reviews)** |
| Number of ratings | **298** | 51 |
| Positive reviews | **76.0% of reviews** | 21.4% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 4 weeks |
| Monetization | Free with in-app purchases | **Free** |
| Best chart rank | **#24** | — |
| Size | 5 MB | 284 MB |
| Requires iOS | **12.0** | 16.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Peterson Tuners](https://appshunter.io/developer/308296032) | [Source Audio](https://appshunter.io/developer/1355718227) |

## What reviewers say

### iStroboSoft

[App page](https://appshunter.io/ios/app/istrobosoft/id308296029)

**Currently charting:** #24 Top Paid · Music (US App Store)

This application provides highly accurate tuning for musical instruments, offering professional-grade precision with a real-time strobe display. It supports various tuning modes, temperaments, and input methods, making it suitable for both acoustic and electric instruments.

**Highlights:** 1/10th cent accuracy, Real-time strobe display, Guided Mode Tuning, 12 Temperaments with adjustable root, Assisted Low Note Detection, Drop/Capo mode, Adjustable Concert A

**Features:** Vision Pro support

**In-app purchases (11)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Extended Frequency Modes | $4.99 | one-time |
| Bluegrass Sweeteners | $5.99 | one-time |
| Buzz Feiten Pack | $5.99 | one-time |
| Guitar & Bass Sweeteners | $5.99 | one-time |
| Orchestral Sweeteners | $5.99 | one-time |
| World Sweetener Pack | $9.99 | one-time |
| Tuning Tools | $9.99 | one-time |
| Steel Guitar Sweeteners | $14.99 | one-time |
| Harmonic Tuning | $19.99 | one-time |
| Keyboard Sweeteners | $19.99 | one-time |
| Full Discounted Upgrade Pack | $59.99 | one-time |

**What reviewers like**

- 🚀 Extremely accurate
- 🔒 Reliable and stable
- 👍 Fantastic for instrument setup and intonation
- 👍 Portable and convenient
- 👍 Excellent value for the price

**What reviewers complain about**

- 🐛 Compatibility issues with iOS updates
- 💰 Expensive in-app purchases for additional features
- 🐛 Inconsistent performance, jumps between notes
- 🐛 Struggles with low and high notes
- 🐛 Microphone input not always reliable

**Reported bugs**

- App freezes or crashes on certain iOS versions
- Incorrect note detection on some instruments
- Display issues with newer iPhone/iPad models

**Requested features**

- Add support for more sweetened tunings and temperaments
- Improve display visibility and layout for newer devices
- Integrate with audio apps and allow routing through other apps
- Add Apple Watch app for quick tuning access
- Improve noise filtering and input sensitivity


### Source Audio Neuro 3

[App page](https://appshunter.io/ios/app/source-audio-neuro-3/id968227110)

Control and customize Source Audio's One Series guitar and bass effects pedals. Download thousands of presets, create your own unique sounds, and share them with a vibrant community of musicians. Seamlessly manage your pedal's effects from your mobile device or desktop.

**Highlights:** Download stage-ready presets, Create personalized effects sounds, Manage personal preset library, Share sounds with the community, Intuitive user interface, Cross-platform integration

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 💡 Innovative and versatile pedals
- 👍 Easy to use (for some)
- ✨ Unlocks pedal potential
- 🚀 Works well on desktop
- 🎶 Great sound quality

**What reviewers complain about**

- 🐛 Frequent connection issues
- 🐛 App crashes frequently
- 🐛 Unintuitive interface
- 🐛 Loss of precision in values
- 🐛 Old version missed

**Reported bugs**

- Settings not reflected in EQ2
- Won't connect to pedal even at max volume
- No connection with iPhone 11
- App kills battery and overheats phone
- Latest update broke app on iPad, crashes on open

**Requested features**

- Tutorials for guitar players on programming synthesizers
- Optimization improvements for the app
- More intuitive GUI
- Restore horizontal sliders and full 8-bit resolution
- Add USB connection option


## Frequently asked questions

### Is iStroboSoft free?

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

### Is Source Audio Neuro 3 free?

Source Audio Neuro 3 is free to download, with no in-app purchases.

### Which has better reviews, iStroboSoft or Source Audio Neuro 3?

Source Audio Neuro 3 is rated higher. iStroboSoft averages 4.3 out of 5 from 298 ratings, while Source Audio Neuro 3 averages 4.4 from 51 ratings.

### Do iStroboSoft or Source Audio Neuro 3 have ads?

Neither iStroboSoft nor Source Audio Neuro 3 shows ads.

### Which is updated more often, iStroboSoft or Source Audio Neuro 3?

iStroboSoft ships an update fortnightly, and Source Audio Neuro 3 every 4 weeks. Most recently, iStroboSoft was updated on September 25, 2026 and Source Audio Neuro 3 on September 23, 2026.

---

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