# Overdrive Special vs metrOnly

The clearest difference is price: metrOnly at Free against Overdrive Special's $19.99. Overdrive Special's advantage is rating (4.3 vs 4.0) and iOS requirement (15 vs 18.0). On ratings volume, update cadence, ads and in-app purchases there is nothing between them.

metrOnly is free to download; Overdrive Special costs $19.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Overdrive Special holds the better App Store score, 4.3 against 4.0. Both are backed by a comparable volume of ratings — 8 and 4 respectively.

Overdrive Special ships an update every 26 months, metrOnly every 20 months. Both last shipped on October 24, 2026.

## The numbers

| Metric | Overdrive Special | metrOnly |
| --- | --- | --- |
| Price | $19.99 | **Free** |
| Rating | **[4.3 (8 ratings)](https://appshunter.io/ios/app/overdrive-special/id1620147441/reviews)** | [4.0 (4 ratings)](https://appshunter.io/ios/app/metronly/id6447021874/reviews) |
| Number of ratings | **8** | 4 |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 26 months | **Every 20 months** |
| Monetization | Paid | Paid |
| Size | 41 MB | 2 MB |
| Requires iOS | **15** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Nembrini Audio](https://appshunter.io/developer/1493296895) | [Austin Danson](https://appshunter.io/developer/1680074559) |

## What reviewers say

### Overdrive Special

[App page](https://appshunter.io/ios/app/overdrive-special/id1620147441)

This guitar amplifier plugin emulates a classic Dumble schematic, offering clean and cascading overdrive channels. It features a 3-band EQ, individual gain controls, and a built-in noise gate. Works as a standalone app or audio effect.

**Highlights:** Clean and overdrive channels, Cascading gain stages, 3-band equalizer, Individual gain controls per channel, Harmonic gain change, Noise gate circuit, Standalone, AUv3, and IAA support

**Features:** Vision Pro support

**In-app purchases:** none


### metrOnly

[App page](https://appshunter.io/ios/app/metronly/id6447021874)

This metronome app provides perfectly timed clicks without distracting features like accents or blinking lights. It offers tempo adjustments from 10-500 bpm and includes accessibility options for ease of use. Designed for focused practice, it aims to be a simple and effective tool for musicians.

**Highlights:** Perfectly timed clicks, No distracting features, Tempo range 10-500 bpm, Intuitive tempo adjustment, Accessibility options, Customization features

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

**In-app purchases:** none


## Frequently asked questions

### Is Overdrive Special free?

Overdrive Special costs $19.99, with no in-app purchases.

### Is metrOnly free?

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

### Which has better reviews, Overdrive Special or metrOnly?

Overdrive Special is rated higher. Overdrive Special averages 4.3 out of 5 from 8 ratings, while metrOnly averages 4.0 from 4 ratings.

### Do Overdrive Special or metrOnly have ads?

Neither Overdrive Special nor metrOnly shows ads.

### Which is updated more often, Overdrive Special or metrOnly?

Overdrive Special ships an update every 26 months, and metrOnly every 20 months. Most recently, Overdrive Special was updated on October 24, 2026 and metrOnly on October 24, 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.*