# Tuner T1 Pro vs RosetApp

The clearest difference is price: RosetApp at Free against Tuner T1 Pro's $4.99. RosetApp also leads on iOS requirement (15.0 vs 17.0). Tuner T1 Pro's advantage is update cadence (every 2 weeks vs monthly) and chart position (#37 vs unranked). On ads, in-app purchases and device support there is nothing between them.

RosetApp is free to download; Tuner T1 Pro costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Tuner T1 Pro ships an update every 2 weeks, RosetApp monthly. The most recent releases landed on October 18, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Tuner T1 Pro | RosetApp |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | **[4.7 (952 ratings)](https://appshunter.io/ios/app/tuner-t1-pro/id954982733/reviews)** | — |
| Number of ratings | **952** | — |
| Positive reviews | 77.4% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Monthly |
| Monetization | Free | — |
| Best chart rank | **#37** | — |
| Size | 7 MB | 65 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Bijoy Thangaraj](https://appshunter.io/developer/453056920) | [Miguel Angel Gutierrez](https://appshunter.io/developer/1896766285) |

## What reviewers say

### Tuner T1 Pro

[App page](https://appshunter.io/ios/app/tuner-t1-pro/id954982733)

**Currently charting:** #37 Top Paid · Music (US App Store)

This app provides highly accurate chromatic tuning for a wide variety of musical instruments. It features a tone generator, adjustable reference frequencies, and customizable detection latency for optimal performance. Available on Apple Watch for convenient tuning on the go.

**Highlights:** Extremely accurate tuning (±0.1 cents), Chromatic tuner for all instruments, Built-in tone generator, Adjustable A₄ frequency, Customizable detection latency, Apple Watch compatibility

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

**In-app purchases:** none

**What reviewers like**

- 👍 Accurate and reliable tuning
- 🚀 Responsive and fast
- 💡 Useful features like pitch history and adjustable tolerance
- 👍 Clean and intuitive user interface
- 👍 Works well for a variety of instruments

**What reviewers complain about**

- 🔋 High battery consumption
- 🐛 Occasional freezing or loss of sound detection
- 🐛 Inaccurate note detection for some low-pitched instruments
- 🐛 Issues with compatibility after OS updates

**Reported bugs**

- Tuner stops registering sound at random
- App freezes after extended use
- Note detection is off by an octave for some users

**Requested features**

- Add more octave ranges
- Allow saving of custom tuning presets
- Implement a transpose feature
- Add support for more instrument types (e.g., trumpet, trombone)


### RosetApp

[App page](https://appshunter.io/ios/app/rosetapp/id6770888902)

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

**In-app purchases:** none


## Frequently asked questions

### Is Tuner T1 Pro free?

Tuner T1 Pro costs $4.99, with no in-app purchases.

### Is RosetApp free?

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

### Do Tuner T1 Pro or RosetApp have ads?

Neither Tuner T1 Pro nor RosetApp shows ads.

### Which is updated more often, Tuner T1 Pro or RosetApp?

Tuner T1 Pro ships an update every 2 weeks, and RosetApp monthly. Most recently, Tuner T1 Pro was updated on October 18, 2026 and RosetApp on October 12, 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.*