# POLYMACHINE vs Tuner · Baro

The clearest difference is price: POLYMACHINE at Free against Tuner · Baro's $0.99. POLYMACHINE also leads on ratings volume (18 vs 2). Tuner · Baro's advantage is rating (5.0 vs 3.6) and in-app purchases (none vs 5). On update cadence and device support there is nothing between them.

POLYMACHINE is free to download; Tuner · Baro costs $0.99 up front. POLYMACHINE sells 5 one-off in-app purchases. Tuner · Baro asks for nothing beyond the download.

Tuner · Baro holds the better App Store score, 5.0 against 3.6. That said, the two scores are not equally well evidenced: POLYMACHINE has 18 ratings behind it against 2, so its average is the more settled of the two.

POLYMACHINE ships an update every 5 days, Tuner · Baro every 3 days. The most recent releases landed on November 9, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | POLYMACHINE | Tuner · Baro |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | [3.6 (18 ratings)](https://appshunter.io/ios/app/polymachine/id6761276852/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/tuner-baro/id6775906542/reviews)** |
| Number of ratings | **18** | 2 |
| Positive reviews | 75.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 5 days | **Every 3 days** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 116 MB | 20 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Mike Gao](https://appshunter.io/developer/384844113) | [Euiseok Kim](https://appshunter.io/developer/1879633122) |

## What reviewers say

### POLYMACHINE

[App page](https://appshunter.io/ios/app/polymachine/id6761276852)

This app offers analog-modeled filters, a vocal chain, and vocal tuning for music production. It aims to be a game-changer for creating music.

**Highlights:** Analog-modeled filters, Vocal chain processing, Vocal tuning, Music production tools

**Features:** macOS Compatibility

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Sound Expansion | $1.99 | one-time |
| Eurorack Sequencer | $9.99 | one-time |
| MIGAMO BRUTUS GERMANIUM | $9.99 | one-time |
| MIGAMO Filters | $12.99 | one-time |
| Pro Features | $34.99 | one-time |


### Tuner · Baro

[App page](https://appshunter.io/ios/app/tuner-baro/id6775906542)

This offline chromatic tuner analyzes your microphone's audio in real-time to display the exact note and frequency you're playing. It prioritizes user privacy by processing all audio analysis on-device without any internet connection, tracking, or data collection.

**Highlights:** Real-time pitch detection, Offline functionality, On-device audio analysis, Clear note name and frequency display, Visual tuning indicator, Adjustable concert-pitch reference, Screen stays awake during use

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

**In-app purchases:** none


## Frequently asked questions

### Is POLYMACHINE free?

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

### Is Tuner · Baro free?

Tuner · Baro costs $0.99, with no in-app purchases.

### Which has better reviews, POLYMACHINE or Tuner · Baro?

Tuner · Baro is rated higher. POLYMACHINE averages 3.6 out of 5 from 18 ratings, while Tuner · Baro averages 5.0 from 2 ratings.

### Do POLYMACHINE or Tuner · Baro have ads?

POLYMACHINE shows ads; Tuner · Baro does not.

### Which is updated more often, POLYMACHINE or Tuner · Baro?

POLYMACHINE ships an update every 5 days, and Tuner · Baro every 3 days. Most recently, POLYMACHINE was updated on November 9, 2026 and Tuner · Baro on November 10, 2026.

---

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