# n vs Spirax

The clearest difference is in-app purchases: Spirax at none against n's 1. Spirax also leads on ads (none vs shown). n's advantage is iOS requirement (11.0 vs 26.0). On price, update cadence and device support there is nothing between them.

Both are free to download. n sells 1 one-off in-app purchase. Spirax asks for nothing beyond the download.

n ships an update every 2 weeks, Spirax every 8 days. The most recent releases landed on October 21, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | n | Spirax |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (3.2K ratings)](https://appshunter.io/ios/app/n-track-tuner/id409786458/reviews)** | — |
| Number of ratings | **3.2K** | — |
| Positive reviews | 77.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 2 weeks | **Every 8 days** |
| Monetization | Free with in-app purchases | — |
| Size | 77 MB | 5 MB |
| Requires iOS | **11.0** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [n-Track S.r.l.](https://appshunter.io/developer/402685768) | [Jan Feiler](https://appshunter.io/developer/6777787494) |

## What reviewers say

### n

[App page](https://appshunter.io/ios/app/n-track-tuner/id409786458)

Easily tune a variety of musical instruments using your smartphone's microphone. Offers high precision with advanced audio recognition and multiple visual feedback modes. Supports manual tuning and calibration for custom needs.

**Highlights:** High precision tuning, Spectrum Analyzer, Instrument selection, Tune Fork reference tone, Needle tuner, Adjustable sensitivity and precision

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| pro features and remove ads | $12.99 | one-time |

**What reviewers like**

- ⭐ Accurate tuning
- 🎨 Useful visual feedback
- 📊 Detailed frequency analysis
- 🎶 Works well for various instruments
- 🆓 Reliable free version

**What reviewers complain about**

- 💰 Intrusive ads in free version
- 🔒 Paywall for advanced features
- 🔋 High battery consumption
- 🐛 Occasional bugs and crashes

**Reported bugs**

- Inaccurate note detection
- Freezing during use
- Compatibility issues with certain instruments

**Requested features**

- Option to remove ads
- Improved compatibility with lower-end devices
- More customization options


### Spirax

[App page](https://appshunter.io/ios/app/spirax/id6777787492)

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

**In-app purchases:** none


## Frequently asked questions

### Is n free?

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

### Is Spirax free?

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

### Do n or Spirax have ads?

n shows ads; Spirax does not.

### Which is updated more often, n or Spirax?

n ships an update every 2 weeks, and Spirax every 8 days. Most recently, n was updated on October 21, 2026 and Spirax on October 10, 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.*