# MIDISpy vs RingsFX

The clearest difference is price: MIDISpy at Free against RingsFX's $7.99. MIDISpy also leads on iOS requirement (11.0 vs 13.0). RingsFX's advantage is rating (4.9 vs 4.0) and review sentiment (100% vs 71%). On update cadence, ads and in-app purchases there is nothing between them.

MIDISpy is free to download; RingsFX costs $7.99 up front. Neither carries in-app purchases, so what you see is what you pay.

RingsFX holds the better App Store score, 4.9 against 4.0. That said, the two scores are not equally well evidenced: RingsFX has 26 ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 71% of MIDISpy's written reviews are positive against 100% of RingsFX's.

MIDISpy ships an update every 3 weeks, RingsFX fortnightly. The most recent releases landed on September 30, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | MIDISpy | RingsFX |
| --- | --- | --- |
| Price | **Free** | $7.99 |
| Rating | [4.0 (4 ratings)](https://appshunter.io/ios/app/midispy/id1444652196/reviews) | **[4.9 (26 ratings)](https://appshunter.io/ios/app/ringsfx/id6478013769/reviews)** |
| Number of ratings | 4 | **26** |
| Positive reviews | 71.4% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Fortnightly** |
| Monetization | **Free** | Paid |
| Size | 6 MB | 23 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Kai Aras](https://appshunter.io/developer/370820899) | [4Pockets.com](https://appshunter.io/developer/370131860) |

## What reviewers say

### MIDISpy

[App page](https://appshunter.io/ios/app/midispy/id1444652196)

This utility helps monitor MIDI connections across various platforms. It offers basic filtering for different MIDI message types and supports multiple connectivity options.

**Highlights:** Standalone and AUv3 support, Basic message filtering, Inter-App MIDI, USB MIDI, Bluetooth MIDI, Network MIDI

**Features:** macOS Compatibility

**In-app purchases:** none


### RingsFX

[App page](https://appshunter.io/ios/app/ringsfx/id6478013769)

This music app emulates a renowned physical modeling synthesizer, offering diverse synthesis techniques and polyphonic capabilities. It allows for real-time parameter manipulation and can process external audio, creating unique sonic textures and rhythms.

**Highlights:** Physical modeling synthesis emulation, Multiple polyphony modes (Mono, Duo, Quad, True Polyphonic), Supports MIDI MPE and velocity sensitivity, External audio excitation, Mod Matrix for real-time parameter control, 7 unique synthesis modes, 6 mod-able and 6 global effects

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

**In-app purchases:** none


## Frequently asked questions

### Is MIDISpy free?

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

### Is RingsFX free?

RingsFX costs $7.99, with no in-app purchases.

### Which has better reviews, MIDISpy or RingsFX?

RingsFX is rated higher. MIDISpy averages 4.0 out of 5 from 4 ratings, while RingsFX averages 4.9 from 26 ratings.

### Do MIDISpy or RingsFX have ads?

Neither MIDISpy nor RingsFX shows ads.

### Which is updated more often, MIDISpy or RingsFX?

MIDISpy ships an update every 3 weeks, and RingsFX fortnightly. Most recently, MIDISpy was updated on September 30, 2026 and RingsFX 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.*