# Phenol55 vs Watch Tuner

The clearest difference is price: Phenol55 at Free against Watch Tuner's $3.99. Phenol55 also leads on rating (4.3 vs 3.8). On ratings volume, update cadence, ads and in-app purchases there is nothing between them.

Phenol55 is free to download; Watch Tuner costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Phenol55 holds the better App Store score, 4.3 against 3.8. Both are backed by a comparable volume of ratings — 6 and 6 respectively.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on September 16, 2026 and September 11, 2026 respectively.

## The numbers

| Metric | Phenol55 | Watch Tuner |
| --- | --- | --- |
| Price | **Free** | $3.99 |
| Rating | **[4.3 (6 ratings)](https://appshunter.io/ios/app/phenol55/id593701823/reviews)** | [3.8 (6 ratings)](https://appshunter.io/ios/app/watch-tuner/id959394022/reviews) |
| Number of ratings | 6 | 6 |
| Positive reviews | — | 69.6% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | **Free** | Paid |
| Size | 49 MB | 1 MB |
| Requires iOS | **15.1** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Riverbend](https://appshunter.io/developer/593701826) | [Bartlomiej Swiatek](https://appshunter.io/developer/943509577) |

## What reviewers say

### Phenol55

[App page](https://appshunter.io/ios/app/phenol55/id593701823)

Manage your wine collection from your iOS device. View detailed bottle information, read or write tasting notes, and schedule pickups or deliveries. This app is exclusively for members cellaring wine with the service.

**Highlights:** Manage wine collection, View bottle images, Read tasting notes, Write tasting notes, Schedule pickup/delivery

**Features:** macOS Compatibility

**In-app purchases:** none


### Watch Tuner

[App page](https://appshunter.io/ios/app/watch-tuner/id959394022)

This application tests mechanical and automatic watches by measuring rate, beat error, and amplitude using your device's microphone. It provides a history of results for tracking watch quality and stability. For best accuracy, use in a quiet environment.

**Highlights:** Measures rate, beat error, and amplitude, Uses device microphone for recording ticks, Provides results history, Supports iPhone and iPod, Quiet environment recommended for accuracy

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

**In-app purchases:** none


## Frequently asked questions

### Is Phenol55 free?

Phenol55 is free to download, with no in-app purchases.

### Is Watch Tuner free?

Watch Tuner costs $3.99, with no in-app purchases.

### Which has better reviews, Phenol55 or Watch Tuner?

Phenol55 is rated higher. Phenol55 averages 4.3 out of 5 from 6 ratings, while Watch Tuner averages 3.8 from 6 ratings.

### Do Phenol55 or Watch Tuner have ads?

Neither Phenol55 nor Watch Tuner shows ads.

### Which is updated more often, Phenol55 or Watch Tuner?

Phenol55 ships an update every 2 months, and Watch Tuner every 2 months. Most recently, Phenol55 was updated on September 16, 2026 and Watch Tuner on September 11, 2026.

---

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